diff options
47 files changed, 797 insertions, 428 deletions
@@ -1,3 +1,130 @@ +1997-02-27 05:12 Ulrich Drepper <drepper@cygnus.com> + + * manual/Makefile: Add rules to run and distribute xtract-typefun. + * manual/xtract-typefun.awk: New file. Script to extract function, + variable, macro anchor to put into the `dir' file. + * manual/signal.texi: Document difference between SysV and BSD + signal(3) function and add documentation for sysv_signal. + + * sysdeps/libm-i387/e_acoshl.c: Clear upper half of word containing + exponent before comparing. + +1997-02-27 01:13 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/generic/netinet/in.h (htonl, htons, ntohl, ntohs): Change + prototypes to use types with explicit width. `unsigned long' is + different on 64 bit systems. + * sysdeps/unix/sysv/linux/netinet/in.h: Likewise. + * sysdeps/generic/htonl.c: Likewise. + * sysdeps/generic/htons.c: Likewise. + * sysdeps/generic/ntohl.c: Likewise. + * sysdeps/generic/ntohs.c: Likewise. + Suggested by a sun <asun@zoology.washington.edu>. + +1997-02-26 08:30 Andreas Jaeger <aj@arthur.pfalz.de> + + * math/math.h: Include <__math.h> if __NO_MATH_INLINES is not + defined and we want optimization. + +1997-02-27 01:13 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/generic/netinet/in.h (htonl, htons, ntohl, ntohs): Change + prototypes to use types with explicit width. `unsigned long' is + different on 64 bit systems. + Suggested by a sun <asun@zoology.washington.edu>. + +1997-02-02 19:53 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * misc/getpass.c: Don't disable canonical input. + Reverted patch of Mon Jan 6 01:35:29 1997. + +1996-12-14 22:07 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * libio/libioP.h (_IO_finish_t): Take additional parameter, to + match the hidden __in_chrg parameter of the destructor. + (_IO_FINISH): Pass zero for it. + * libio/genops.c (_IO_default_finish): Add second parameter, which + is ignored. + * libio/memstream.c (_IO_mem_finish): Likewise. + * libio/fileops.c (_IO_mem_finish): Likewise. + * libio/strops.c (_IO_str_finish): Likewise. All callers changed. + +1997-02-27 00:23 H.J. Lu <hjl@lucon.org> + + * time/Makefile: Avoid using patterns in dependencies. + +1997-02-26 00:56 Miguel de Icaza <miguel@nuclecu.unam.mx> + + * elf/rtld.c: Make _dl_start static. Otherwise the linker on the + SPARC will convert the call _dl_start into a call into the PLT. + + * elf/rtld.c (_dl_start): On the SPARC we need to adjust the value + of arg to make it point to the actual values. + + * sysdeps/sparc/elf/DEFS.h: New ELF specific version. + * sysdeps/sparc/Dist: Mention sysdeps/sparc/elf/DEFS.h. + + * sysdeps/sparc/bsd-_setjmp.S, sysdeps/sparc/bsd-setjmp.S: Make + them PIC aware. + + * sysdeps/sparc/dl-machine.h (elf_machine_load_address): + Implemented. + (elf_machine_rela): Make it compile; fix existing relocation + types; add unhandled relocation types. + (ELF_ADJUST_ARG): Get pointer to arguments at program startup. + (RTLD_START): Initial implementation, not yet finished. + + * sysdeps/sparc/elf/start.S: Fix. + + * sysdeps/sparc/fpu_control.h: Remove duplicate declaration of + __setfpucw. + + * sysdeps/sparc/divrem.m4: Make compilable under Linux. + * sysdeps/sparc/rem.S, sysdeps/sparc/sdiv.S, sysdeps/sparc/udiv.S, + sysdeps/sparc/urem.S : Regenerated. + + * sysdeps/sparc/setjmp.S: Make it PIC aware. + + * sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S: Define + __ASSEMBLY__ before using kernel header. + + * sysdeps/unix/sysv/linux/sparc/Makefile: Use -mv8 flag to compile + rtld.c. + + * sysdeps/unix/sysv/linux/sparc/brk.c: Implement. + * sysdeps/unix/sysv/linux/sparc/profil-counter.h: Remove code + to handle old signals. + * sysdeps/unix/sysv/linux/sparc/sigaction.c: Implements sigaction + for all Linux/SPARC kernels. + * sysdeps/unix/sysv/linux/sparc/syscall.S: Add code to store + errno using __errno_location. + * sysdeps/unix/sysv/linux/sparc/sysdep.h: Add various handler + macros for assembler sources. + * sysdeps/unix/sysv/linux/sparc/errno.c: Define errno. + +1997-02-25 16:02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * elf/rtld.c (dl_main): Remove dead code that is never executed. + Rename local variable l to main_map where it is used to point to + the load_map for the executable. + +1997-02-25 15:03 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * elf/dl-version.c (_dl_check_all_versions): Ignore libraries that + could not be found. + +1997-02-24 23:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * Makerules: Generate implicit object suffix rules automagically. + (o-iterator): Move before first use. + + * Makeconfig (all-object-suffixes): Add .bo suffix. + +1997-02-25 15:11 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/libm-i387/e_acoshf.S (__ieee754_acoshf): Test correct + word on stack for overflow. + 1997-02-24 23:05 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> * malloc/malloc.c (malloc_get_state): New function. @@ -155,7 +282,7 @@ __STRICT_ANSI__. * math/math.h: Prevent definition of struct exception when using - C++. + C++. Use __exception instead. 1997-02-22 01:45 Ulrich Drepper <drepper@cygnus.com> diff --git a/Makeconfig b/Makeconfig index 811392b13e..2501789440 100644 --- a/Makeconfig +++ b/Makeconfig @@ -481,7 +481,7 @@ endif # to pass different flags for each flavor. libtypes = $(foreach o,$(object-suffixes),$(libtype$o)) object-suffixes := .o -all-object-suffixes := .o .so .po .go +all-object-suffixes := .o .so .po .go .bo libtype.o := lib%.a ifeq (yes,$(build-shared)) # Under --enable-shared, we will build a shared library of PIC objects. @@ -80,6 +80,12 @@ ar-symtab-name = __.SYMDEF else ar-symtab-name = # The null name is used in ELF archives. endif + +# This variable is used in ``include $(o-iterator)'' after defining +# $(o-iterator-doit) to produce some desired rule using $o for the object +# suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy +# is produced for each object suffix in use. +o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left)) # Include any system-specific makefiles. @@ -167,23 +173,25 @@ $(common-objpfx)dummy.d: # generated sysdep rules in included from sysd-rules below. When # compiling in the source tree, generated sources go into the current # directory, and those should be chosen before any sources in sysdeps. -$(objpfx)%.o: %.S $(before-compile); $(compile-command.S) -$(objpfx)%.so: %.S $(before-compile); $(compile-command.S) -$(objpfx)%.po: %.S $(before-compile); $(compile-command.S) -$(objpfx)%.go: %.S $(before-compile); $(compile-command.S) -$(objpfx)%.bo: %.S $(before-compile); $(compile-command.S) +define o-iterator-doit +$(objpfx)%$o: %.S $(before-compile); $$(compile-command.S) +endef +object-suffixes-left := $(object-suffixes) +include $(o-iterator) $(objpfx)%.d: %.S $(before-compile); $(+make-deps) -$(objpfx)%.o: %.s $(before-compile); $(compile-command.s) -$(objpfx)%.so: %.s $(before-compile); $(compile-command.s) -$(objpfx)%.po: %.s $(before-compile); $(compile-command.s) -$(objpfx)%.go: %.s $(before-compile); $(compile-command.s) -$(objpfx)%.bo: %.s $(before-compile); $(compile-command.s) + +define o-iterator-doit +$(objpfx)%$o: %.s $(before-compile); $$(compile-command.s) +endef +object-suffixes-left := $(object-suffixes) +include $(o-iterator) $(objpfx)%.d: %.s $(common-objpfx)dummy.d; $(make-dummy-dep) -$(objpfx)%.o: %.c $(before-compile); $(compile-command.c) -$(objpfx)%.so: %.c $(before-compile); $(compile-command.c) -$(objpfx)%.po: %.c $(before-compile); $(compile-command.c) -$(objpfx)%.go: %.c $(before-compile); $(compile-command.c) -$(objpfx)%.bo: %.c $(before-compile); $(compile-command.c) + +define o-iterator-doit +$(objpfx)%$o: %.c $(before-compile); $$(compile-command.c) +endef +object-suffixes-left := $(object-suffixes) +include $(o-iterator) $(objpfx)%.d: %.c $(before-compile); $(+make-deps) # Omit the objpfx rules when building in the source tree, because @@ -191,23 +199,25 @@ $(objpfx)%.d: %.c $(before-compile); $(+make-deps) ifdef objpfx # Define first rules to find the source files in $(objpfx). # Generated source files will end up there. -$(objpfx)%.o: $(objpfx)%.S $(before-compile); $(compile-command.S) -$(objpfx)%.so: $(objpfx)%.S $(before-compile); $(compile-command.S) -$(objpfx)%.po: $(objpfx)%.S $(before-compile); $(compile-command.S) -$(objpfx)%.go: $(objpfx)%.S $(before-compile); $(compile-command.S) -$(objpfx)%.bo: $(objpfx)%.S $(before-compile); $(compile-command.S) +define o-iterator-doit +$(objpfx)%$o: $(objpfx)%.S $(before-compile); $$(compile-command.S) +endef +object-suffixes-left := $(object-suffixes) +include $(o-iterator) $(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps) -$(objpfx)%.o: $(objpfx)%.s $(before-compile); $(compile-command.s) -$(objpfx)%.so: $(objpfx)%.s $(before-compile); $(compile-command.s) -$(objpfx)%.po: $(objpfx)%.s $(before-compile); $(compile-command.s) -$(objpfx)%.go: $(objpfx)%.s $(before-compile); $(compile-command.s) -$(objpfx)%.bo: $(objpfx)%.s $(before-compile); $(compile-command.s) + +define o-iterator-doit +$(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(compile-command.s) +endef +object-suffixes-left := $(object-suffixes) +include $(o-iterator) $(objpfx)%.d: $(objpfx)%.s $(common-objpfx)dummy.d; $(make-dummy-dep) -$(objpfx)%.o: $(objpfx)%.c $(before-compile); $(compile-command.c) -$(objpfx)%.so: $(objpfx)%.c $(before-compile); $(compile-command.c) -$(objpfx)%.po: $(objpfx)%.c $(before-compile); $(compile-command.c) -$(objpfx)%.go: $(objpfx)%.c $(before-compile); $(compile-command.c) -$(objpfx)%.bo: $(objpfx)%.c $(before-compile); $(compile-command.c) + +define o-iterator-doit +$(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c) +endef +object-suffixes-left := $(object-suffixes) +include $(o-iterator) $(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps) endif @@ -391,12 +401,6 @@ headers := $(headers) $(sysdep_headers) override objects := $(addprefix $(objpfx),$(sources:.c=.o)) -# This variable is used in ``include $(o-iterator)'' after defining -# $(o-iterator-doit) to produce some desired rule using $o for the object -# suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy -# is produced for each object suffix in use. -o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left)) - # The makefile may define $(extra-libs) with `libfoo libbar' # to build libfoo.a et al from the modules listed in $(libfoo-routines). ifdef extra-libs diff --git a/elf/dl-version.c b/elf/dl-version.c index ae1c2f34f7..2a6f1b94df 100644 --- a/elf/dl-version.c +++ b/elf/dl-version.c @@ -334,7 +334,7 @@ _dl_check_all_versions (struct link_map *map, int verbose) int result = 0; for (l = map; l != NULL; l = l->l_next) - result |= _dl_check_map_versions (l, verbose); + result |= l->l_opencount != 0 && _dl_check_map_versions (l, verbose); return result; } diff --git a/elf/rtld.c b/elf/rtld.c index eb7b3bec2a..9f18e23b91 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -79,7 +79,7 @@ RTLD_START #error "sysdeps/MACHINE/dl-machine.h fails to define RTLD_START" #endif -ElfW(Addr) +static ElfW(Addr) _dl_start (void *arg) { struct link_map bootstrap_map; @@ -126,6 +126,10 @@ _dl_start (void *arg) _dl_rtld_map.l_info[DT_STRTAB]->d_un.d_ptr + _dl_rtld_map.l_info[DT_RPATH]->d_un.d_val); +#ifdef ELF_ADJUST_ARG + ELF_ADJUST_ARG(arg); +#endif + /* Call the OS-dependent function to set up life so we can do things like file access. It will call `dl_main' (below) to do all the real work of the dynamic linker, and then unwind our frame and run the user @@ -147,7 +151,7 @@ dl_main (const ElfW(Phdr) *phdr, ElfW(Addr) *user_entry) { const ElfW(Phdr) *ph; - struct link_map *l; + struct link_map *main_map; int lazy; enum { normal, list, verify, trace } mode; struct link_map **preloads; @@ -235,7 +239,7 @@ of this helper program; chances are you did not intend to run this program.\n", { void doit (void) { - l = _dl_map_object (NULL, _dl_argv[0], lt_library, 0); + main_map = _dl_map_object (NULL, _dl_argv[0], lt_library, 0); } char *err_str = NULL; const char *obj_name __attribute__ ((unused)); @@ -248,37 +252,23 @@ of this helper program; chances are you did not intend to run this program.\n", } } else - l = _dl_map_object (NULL, _dl_argv[0], lt_library, 0); + main_map = _dl_map_object (NULL, _dl_argv[0], lt_library, 0); - phdr = l->l_phdr; - phent = l->l_phnum; - l->l_name = (char *) ""; - *user_entry = l->l_entry; + phdr = main_map->l_phdr; + phent = main_map->l_phnum; + main_map->l_name = (char *) ""; + *user_entry = main_map->l_entry; } else { /* Create a link_map for the executable itself. This will be what dlopen on "" returns. */ - l = _dl_new_object ((char *) "", "", lt_executable); - if (l == NULL) + main_map = _dl_new_object ((char *) "", "", lt_executable); + if (main_map == NULL) _dl_sysdep_fatal ("cannot allocate memory for link map", NULL); - l->l_phdr = phdr; - l->l_phnum = phent; - l->l_entry = *user_entry; - } - - if (l != _dl_loaded) - { - /* GDB assumes that the first element on the chain is the - link_map for the executable itself, and always skips it. - Make sure the first one is indeed that one. */ - l->l_prev->l_next = l->l_next; - if (l->l_next) - l->l_next->l_prev = l->l_prev; - l->l_prev = NULL; - l->l_next = _dl_loaded; - _dl_loaded->l_prev = l; - _dl_loaded = l; + main_map->l_phdr = phdr; + main_map->l_phnum = phent; + main_map->l_entry = *user_entry; } /* Scan the program header table for the dynamic section. */ @@ -288,7 +278,7 @@ of this helper program; chances are you did not intend to run this program.\n", case PT_DYNAMIC: /* This tells us where to find the dynamic section, which tells us everything we need to do. */ - l->l_ld = (void *) l->l_addr + ph->p_vaddr; + main_map->l_ld = (void *) main_map->l_addr + ph->p_vaddr; break; case PT_INTERP: /* This "interpreter segment" was used by the program loader to @@ -297,7 +287,7 @@ of this helper program; chances are you did not intend to run this program.\n", dlopen call or DT_NEEDED entry, for something that wants to link against the dynamic linker as a shared library, will know that the shared object is already loaded. */ - _dl_rtld_libname.name = (const char *) l->l_addr + ph->p_vaddr; + _dl_rtld_libname.name = (const char *) main_map->l_addr + ph->p_vaddr; _dl_rtld_libname.next = NULL; _dl_rtld_map.l_libname = &_dl_rtld_libname; has_interp = 1; @@ -317,25 +307,24 @@ of this helper program; chances are you did not intend to run this program.\n", if (mode == verify) /* We were called just to verify that this is a dynamic executable using us as the program interpreter. */ - _exit (l->l_ld == NULL ? 1 : has_interp ? 0 : 2); + _exit (main_map->l_ld == NULL ? 1 : has_interp ? 0 : 2); /* Extract the contents of the dynamic section for easy access. */ - elf_get_dynamic_info (l->l_ld, l->l_info); - if (l->l_info[DT_HASH]) + elf_get_dynamic_info (main_map->l_ld, main_map->l_info); + if (main_map->l_info[DT_HASH]) /* Set up our cache of pointers into the hash table. */ - _dl_setup_hash (l); + _dl_setup_hash (main_map); /* Put the link_map for ourselves on the chain so it can be found by - name. */ + name. Note that at this point the global chain of link maps contains + exactly one element, which is pointed to by main_map. */ if (! _dl_rtld_map.l_name) /* If not invoked directly, the dynamic linker shared object file was found by the PT_INTERP name. */ _dl_rtld_map.l_name = (char *) _dl_rtld_map.l_libname->name; _dl_rtld_map.l_type = lt_library; - while (l->l_next) - l = l->l_next; - l->l_next = &_dl_rtld_map; - _dl_rtld_map.l_prev = l; + main_map->l_next = &_dl_rtld_map; + _dl_rtld_map.l_prev = main_map; /* We have two ways to specify objects to preload: via environment variable and via the file /etc/ld.so.preload. The later can also @@ -445,7 +434,7 @@ of this helper program; chances are you did not intend to run this program.\n", /* Load all the libraries specified by DT_NEEDED entries. If LD_PRELOAD specified some libraries to load, these are inserted before the actual dependencies in the executable's searchlist for symbol resolution. */ - _dl_map_object_deps (l, preloads, npreloads, mode == trace); + _dl_map_object_deps (main_map, preloads, npreloads, mode == trace); #ifndef MAP_ANON /* We are done mapping things, so close the zero-fill descriptor. */ @@ -465,11 +454,11 @@ of this helper program; chances are you did not intend to run this program.\n", chain in symbol search order because gdb uses the chain's order as its symbol search order. */ unsigned int i = 1; - while (l->l_searchlist[i] != &_dl_rtld_map) + while (main_map->l_searchlist[i] != &_dl_rtld_map) ++i; - _dl_rtld_map.l_prev = l->l_searchlist[i - 1]; - _dl_rtld_map.l_next = (i + 1 < l->l_nsearchlist ? - l->l_searchlist[i + 1] : NULL); + _dl_rtld_map.l_prev = main_map->l_searchlist[i - 1]; + _dl_rtld_map.l_next = (i + 1 < main_map->l_nsearchlist ? + main_map->l_searchlist[i + 1] : NULL); assert (_dl_rtld_map.l_prev->l_next == _dl_rtld_map.l_next); _dl_rtld_map.l_prev->l_next = &_dl_rtld_map; if (_dl_rtld_map.l_next) @@ -484,7 +473,7 @@ of this helper program; chances are you did not intend to run this program.\n", { void doit (void) { - if (_dl_check_all_versions (l, 1) && mode == normal) + if (_dl_check_all_versions (main_map, 1) && mode == normal) /* We cannot start the application. Abort now. */ _exit (1); } @@ -504,22 +493,26 @@ of this helper program; chances are you did not intend to run this program.\n", if (! _dl_loaded->l_info[DT_NEEDED]) _dl_sysdep_message ("\t", "statically linked\n", NULL); else - for (l = _dl_loaded->l_next; l; l = l->l_next) - if (l->l_opencount == 0) - /* The library was not found. */ - _dl_sysdep_message ("\t", l->l_libname->name, " => not found\n", - NULL); - else - { - char buf[20], *bp; - buf[sizeof buf - 1] = '\0'; - bp = _itoa (l->l_addr, &buf[sizeof buf - 1], 16, 0); - while ((size_t) (&buf[sizeof buf - 1] - bp) - < sizeof l->l_addr * 2) - *--bp = '0'; - _dl_sysdep_message ("\t", l->l_libname->name, " => ", l->l_name, - " (0x", bp, ")\n", NULL); - } + { + struct link_map *l; + + for (l = _dl_loaded->l_next; l; l = l->l_next) + if (l->l_opencount == 0) + /* The library was not found. */ + _dl_sysdep_message ("\t", l->l_libname->name, " => not found\n", + NULL); + else + { + char buf[20], *bp; + buf[sizeof buf - 1] = '\0'; + bp = _itoa (l->l_addr, &buf[sizeof buf - 1], 16, 0); + while ((size_t) (&buf[sizeof buf - 1] - bp) + < sizeof l->l_addr * 2) + *--bp = '0'; + _dl_sysdep_message ("\t", l->l_libname->name, " => ", + l->l_name, " (0x", bp, ")\n", NULL); + } + } if (mode != trace) for (i = 1; i < _dl_argc; ++i) @@ -544,6 +537,7 @@ of this helper program; chances are you did not intend to run this program.\n", else if (lazy >= 0) { /* We have to do symbol dependency testing. */ + struct link_map *l; void doit (void) { _dl_relocate_object (l, _dl_object_relocation_scope (l), lazy); @@ -576,6 +570,7 @@ of this helper program; chances are you did not intend to run this program.\n", the dynamic linker out of order because it has no copy relocs (we know that because it is self-contained). */ + struct link_map *l; l = _dl_loaded; while (l->l_next) l = l->l_next; @@ -605,6 +600,7 @@ of this helper program; chances are you did not intend to run this program.\n", { /* Initialize _r_debug. */ struct r_debug *r = _dl_debug_initialize (_dl_rtld_map.l_addr); + struct link_map *l; l = _dl_loaded; diff --git a/libio/fileops.c b/libio/fileops.c index 12b2ead125..3a0bdaaa62 100644 --- a/libio/fileops.c +++ b/libio/fileops.c @@ -138,8 +138,8 @@ DEFUN(_IO_file_close_it, (fp), } void -DEFUN(_IO_file_finish, (fp), - register _IO_FILE* fp) +DEFUN(_IO_file_finish, (fp, dummy), + register _IO_FILE* fp AND int dummy) { if (_IO_file_is_open(fp)) { @@ -147,7 +147,7 @@ DEFUN(_IO_file_finish, (fp), if (!(fp->_flags & _IO_DELETE_DONT_CLOSE)) _IO_SYSCLOSE (fp); } - _IO_default_finish(fp); + _IO_default_finish(fp, 0); } _IO_FILE * diff --git a/libio/genops.c b/libio/genops.c index e57328d529..db7fb180a3 100644 --- a/libio/genops.c +++ b/libio/genops.c @@ -481,8 +481,8 @@ DEFUN(_IO_default_sync, (fp), current implementation, this function can get called twice! */ void -DEFUN(_IO_default_finish, (fp), - _IO_FILE *fp) +DEFUN(_IO_default_finish, (fp, dummy), + _IO_FILE *fp AND int dummy) { struct _IO_marker *mark; if (fp->_IO_buf_base && !(fp->_flags & _IO_USER_BUF)) diff --git a/libio/libioP.h b/libio/libioP.h index c80bdf30c6..8fe11084df 100644 --- a/libio/libioP.h +++ b/libio/libioP.h @@ -101,8 +101,8 @@ extern "C" { /* The 'finish' function does any final cleaning up of an _IO_FILE object. It does not delete (free) it, but does everything else to finalize it/ It matches the streambuf::~streambuf virtual destructor. */ -typedef void (*_IO_finish_t) __P((_IO_FILE*)); /* finalize */ -#define _IO_FINISH(FP) JUMP0(__finish, FP) +typedef void (*_IO_finish_t) __P((_IO_FILE*, int)); /* finalize */ +#define _IO_FINISH(FP) JUMP1(__finish, FP, 0) /* The 'overflow' hook flushes the buffer. The second argument is a character, or EOF. @@ -295,7 +295,7 @@ extern int _IO_seekmark __P((_IO_FILE *, struct _IO_marker *, int)); extern int _IO_default_underflow __P((_IO_FILE*)); extern int _IO_default_uflow __P((_IO_FILE*)); extern int _IO_default_doallocate __P((_IO_FILE*)); -extern void _IO_default_finish __P((_IO_FILE *)); +extern void _IO_default_finish __P((_IO_FILE *, int)); extern int _IO_default_pbackfail __P((_IO_FILE*, int)); extern _IO_FILE* _IO_default_setbuf __P((_IO_FILE *, char*, _IO_ssize_t)); extern _IO_size_t _IO_default_xsputn __P((_IO_FILE *, const void*, _IO_size_t)); @@ -352,7 +352,7 @@ extern _IO_ssize_t _IO_file_read __P((_IO_FILE*, void*, _IO_ssize_t)); extern int _IO_file_sync __P((_IO_FILE*)); extern int _IO_file_close_it __P((_IO_FILE*)); extern _IO_fpos_t _IO_file_seek __P((_IO_FILE *, _IO_off_t, int)); -extern void _IO_file_finish __P((_IO_FILE*)); +extern void _IO_file_finish __P((_IO_FILE*, int)); /* Other file functions. */ extern _IO_FILE* _IO_file_attach __P((_IO_FILE *, int)); @@ -366,7 +366,7 @@ extern int _IO_str_underflow __P((_IO_FILE*)); extern int _IO_str_overflow __P((_IO_FILE *, int)); extern int _IO_str_pbackfail __P((_IO_FILE*, int)); extern _IO_fpos_t _IO_str_seekoff __P((_IO_FILE*,_IO_off_t,int,int)); -extern void _IO_str_finish __P ((_IO_FILE*)); +extern void _IO_str_finish __P ((_IO_FILE*, int)); /* Other strfile functions */ extern void _IO_str_init_static __P((_IO_FILE *, char*, int, char*)); diff --git a/libio/memstream.c b/libio/memstream.c index e3c34d0b34..f03fc6e67d 100644 --- a/libio/memstream.c +++ b/libio/memstream.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -31,7 +31,7 @@ struct _IO_FILE_memstream static int _IO_mem_sync __P ((_IO_FILE* fp)); -static void _IO_mem_finish __P ((_IO_FILE* fp)); +static void _IO_mem_finish __P ((_IO_FILE* fp, int)); static const struct _IO_jump_t _IO_mem_jumps = @@ -124,8 +124,9 @@ _IO_mem_sync (fp) static void -_IO_mem_finish (fp) +_IO_mem_finish (fp, dummy) _IO_FILE* fp; + int dummy; { struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp; @@ -139,5 +140,5 @@ _IO_mem_finish (fp) fp->_IO_buf_base = NULL; - _IO_default_finish (fp); + _IO_default_finish (fp, 0); } diff --git a/libio/strops.c b/libio/strops.c index 31c5df4e80..9c2650f352 100644 --- a/libio/strops.c +++ b/libio/strops.c @@ -258,14 +258,14 @@ DEFUN(_IO_str_pbackfail, (fp, c), } void -DEFUN (_IO_str_finish, (fp), - register _IO_FILE* fp) +DEFUN (_IO_str_finish, (fp, dummy), + register _IO_FILE* fp AND int dummy) { if (fp->_IO_buf_base && !(fp->_flags & _IO_USER_BUF)) (((_IO_strfile*)fp)->_s._free_buffer)(fp->_IO_buf_base); fp->_IO_buf_base = NULL; - _IO_default_finish(fp); + _IO_default_finish(fp, 0); } struct _IO_jump_t _IO_str_jumps = { diff --git a/manual/Makefile b/manual/Makefile index 0f525be731..0e8ae85dc7 100644 --- a/manual/Makefile +++ b/manual/Makefile @@ -21,6 +21,9 @@ subdir := manual export subdir := $(subdir) +# We need GNU awk for the xtract-typefun script. +GAWK = gawk + .PHONY: all dvi info all: dvi info dvi: libc.dvi @@ -60,6 +63,17 @@ stamp-summary: summary.awk $(chapters) $(chapters-incl) # touch is broken on our machines. Sigh. date > $@ +# Generate a file which can be added to the `dir' content to provide direct +# access to the documentation of the function, variables, and other +# definitions. +dir-add.texi: manual/xtract-typefun.awk $(chapters-incl) + if test -n "$(chapters-incl)"; then \ + (for i in $(chapters-incl); do \ + $(GAWK) -f $< < $i; \ + done) | sort > $@.new; \ + ./move-if-change $@.new $@; \ + fi + # Generate Texinfo files from the C source for the example programs. %.c.texi: examples/%.c sed -e 's,[{}],@&,g' \ @@ -78,7 +92,8 @@ distribute = $(minimal-dist) \ $(patsubst examples/%.c,%.c.texi,$(filter examples/%.c, \ $(minimal-dist))) \ libc.info* libc.?? libc.??s texinfo.tex summary.texi \ - stamp-summary chapters chapters-incl + stamp-summary chapters chapters-incl \ + xtract-typefun.awk export distribute := $(distribute) tar-it = tar chovf $@ $^ diff --git a/manual/signal.texi b/manual/signal.texi index 1a4f866876..767ddabb41 100644 --- a/manual/signal.texi +++ b/manual/signal.texi @@ -1040,6 +1040,18 @@ a handler for @code{SIGKILL} or @code{SIGSTOP}. @end table @end deftypefun +@strong{Compatibility Note:} A problem when working with the +@code{signal} function is that it has a different semantic on BSD and +SVID system. The difference is that on SVID systems the signal handler +is deinstalled after an signal was delivered. On BSD systems the +handler must be explicitly deinstalled. In the GNU C Library we use the +BSD version by default. To use the SVID version you can either use the +function @code{sysv_signal} (see below) or use the @code{_XOPEN_SOURCE} +feature select macro (@pxref{Feature Test Macros}) Generally it should +be avoided to use this functions due to the compatibility problems. It +is better to use @code{sigaction} if it is available since the results +are much more reliable. + Here is a simple example of setting up a handler to delete temporary files when certain fatal signals happen: @@ -1080,6 +1092,18 @@ example because these are designed to provide information for debugging (a core dump), and the temporary files may give useful information. @comment signal.h +@comment GNU +@deftypefun sighandler_t sysv_signal (int @var{signum}, sighandler_t @var{action}) +The @code{sysv_signal} implements the behaviour of the standard +@code{signal} function as found on SVID systems. The difference to BSD +systems is that the handler is deinstalled after a delivery of a signal. + +@strong{Compatibility Note:} As said above for @code{signal}, this +function should be avoided when possible. @code{sigaction} is the +preferred method. +@end deftypefun + +@comment signal.h @comment SVID @deftypefun sighandler_t ssignal (int @var{signum}, sighandler_t @var{action}) The @code{ssignal} function does the same thing as @code{signal}; it is diff --git a/manual/xtract-typefun.awk b/manual/xtract-typefun.awk new file mode 100644 index 0000000000..6450ac10eb --- /dev/null +++ b/manual/xtract-typefun.awk @@ -0,0 +1,26 @@ +#! /usr/local/bin/gawk -f +BEGIN { + last_node=""; +} + +/^@node/ { + last_node = gensub (/@node +([^@,]+).*/, "\\1", 1); +} + +/^@deftypefun/ { + printf ("* %s: (libc)%s.\n", + gensub (/@deftypefun +([^{ ]+|\{[^}]+\}) +([[:alpha:]_][[:alnum:]_]+).*/, "\\2", 1), + last_node); +} + +/^@deftypevr/ { + printf ("* %s: (libc)%s.\n", + gensub (/@deftypevr +([^{ ]+|\{[^}]+\}) +([^{ ]+|\{[^}]+\}) +([[:alpha:]_][[:alnum:]_]+).*/, "\\3", 1), + last_node); +} + +/^@deftypefn/ { + printf ("* %s: (libc)%s.\n", + gensub (/@deftypefn +([^{ ]+|\{[^}]+\}) +[^{ ]*(\{[^}]+\})? +([[:alpha:]_][[:alnum:]_]+).*/, "\\3", 1), + last_node); +} diff --git a/math/math.h b/math/math.h index eb8a4f202d..dce06e798b 100644 --- a/math/math.h +++ b/math/math.h @@ -99,13 +99,17 @@ extern _LIB_VERSION_TYPE _LIB_VERSION; #endif -#if defined __USE_SVID && !defined __cplusplus +#ifdef __USE_SVID /* In SVID error handling, `matherr' is called with this description of the exceptional condition. We have a problem when using C++ since `exception' is reserved in C++. */ +#ifdef __cplusplus +struct __exception +#else struct exception +#endif { int type; char *name; @@ -114,8 +118,13 @@ struct exception double retval; }; +#ifdef __cplusplus +extern int __matherr __P ((struct __exception *)); +extern int matherr __P ((struct __exception *)); +#else extern int __matherr __P ((struct exception *)); extern int matherr __P ((struct exception *)); +#endif #define X_TLOSS 1.41484755040568800000e+16 @@ -131,7 +140,7 @@ extern int matherr __P ((struct exception *)); #define HUGE FLT_MAX #include <float.h> /* Defines FLT_MAX. */ -#endif /* SVID && !C++ */ +#endif /* SVID */ #ifdef __USE_BSD @@ -164,7 +173,7 @@ extern int matherr __P ((struct exception *)); /* Get machine-dependent inline versions (if there are any). */ -#if defined (__NO_MATH_INLINES) || defined (__OPTIMIZE__) +#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ #include <__math.h> #endif diff --git a/misc/getpass.c b/misc/getpass.c index 74af9b5dc7..2caeb18668 100644 --- a/misc/getpass.c +++ b/misc/getpass.c @@ -59,9 +59,7 @@ getpass (prompt) /* Save the old one. */ s = t; /* Tricky, tricky. */ - t.c_lflag &= ~(ECHO|ISIG|ICANON); - t.c_cc[VTIME] = 0; - t.c_cc[VMIN] = 1; + t.c_lflag &= ~(ECHO|ISIG); tty_changed = (tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &t) == 0); } else diff --git a/sysdeps/generic/htonl.c b/sysdeps/generic/htonl.c index 724ef54639..f1e077ae1a 100644 --- a/sysdeps/generic/htonl.c +++ b/sysdeps/generic/htonl.c @@ -1,28 +1,28 @@ -/* Copyright (C) 1993 Free Software Foundation, Inc. -This file is part of the GNU C Library. +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#include <ansidecl.h> #include <netinet/in.h> #undef htonl -unsigned long int -DEFUN(htonl, (x), unsigned long int x) +u_int32_t +htonl (x) + u_int32_t x; { #if BYTE_ORDER == LITTLE_ENDIAN x = (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24); diff --git a/sysdeps/generic/htons.c b/sysdeps/generic/htons.c index e3209f3e68..3aaf28551c 100644 --- a/sysdeps/generic/htons.c +++ b/sysdeps/generic/htons.c @@ -1,28 +1,28 @@ -/* Copyright (C) 1993 Free Software Foundation, Inc. -This file is part of the GNU C Library. +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#include <ansidecl.h> #include <netinet/in.h> #undef htons -unsigned short int -DEFUN(htons, (x), unsigned short int x) +u_int16_t +htons (x) + u_int16_t x; { #if BYTE_ORDER == LITTLE_ENDIAN x = (x << 8) | (x >> 8); diff --git a/sysdeps/generic/netinet/in.h b/sysdeps/generic/netinet/in.h index ad77c8be7d..5531fc2ece 100644 --- a/sysdeps/generic/netinet/in.h +++ b/sysdeps/generic/netinet/in.h @@ -190,12 +190,17 @@ struct ip_mreq struct in_addr imr_interface; /* local IP address of interface */ }; -/* Functions to convert between host and network byte order. */ +/* Functions to convert between host and network byte order. -extern unsigned long int ntohl __P ((unsigned long int)); -extern unsigned short int ntohs __P ((unsigned short int)); -extern unsigned long int htonl __P ((unsigned long int)); -extern unsigned short int htons __P ((unsigned short int)); + Please note that these functions normally take `unsigned long int' or + `unsigned short int' values as arguments and also return them. But + this was a short-sighted decision since on different systems the types + may have different representations but the values are always the same. */ + +extern u_int32_t ntohl __P ((u_int32_t __netlong)); +extern u_int16_t ntohs __P ((u_int16_t __netshort)); +extern u_int32_t htonl __P ((u_int32_t __hostlong)); +extern u_int16_t htons __P ((u_int16_t __hostshort)); #include <endian.h> diff --git a/sysdeps/generic/ntohl.c b/sysdeps/generic/ntohl.c index 389cc9ffc0..0cb83c5aa4 100644 --- a/sysdeps/generic/ntohl.c +++ b/sysdeps/generic/ntohl.c @@ -1,28 +1,28 @@ -/* Copyright (C) 1993 Free Software Foundation, Inc. -This file is part of the GNU C Library. +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#include <ansidecl.h> #include <netinet/in.h> #undef ntohl -unsigned long int -DEFUN(ntohl, (x), unsigned long int x) +u_int32_t +ntohl (x) + u_int32_t x; { #if BYTE_ORDER == LITTLE_ENDIAN x = (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24); diff --git a/sysdeps/generic/ntohs.c b/sysdeps/generic/ntohs.c index 1ac462a6d2..f4f37eec93 100644 --- a/sysdeps/generic/ntohs.c +++ b/sysdeps/generic/ntohs.c @@ -1,28 +1,28 @@ -/* Copyright (C) 1993 Free Software Foundation, Inc. -This file is part of the GNU C Library. +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#include <ansidecl.h> #include <netinet/in.h> #undef ntohs -unsigned short int -DEFUN(ntohs, (x), unsigned short int x) +u_int16_t +ntohs (x) + u_int16_t x; { #if BYTE_ORDER == LITTLE_ENDIAN x = (x << 8) | (x >> 8); diff --git a/sysdeps/libm-i387/e_acoshf.S b/sysdeps/libm-i387/e_acoshf.S index a4f50ba7ac..8aa78957e2 100644 --- a/sysdeps/libm-i387/e_acoshf.S +++ b/sysdeps/libm-i387/e_acoshf.S @@ -1,5 +1,5 @@ /* ix87 specific implementation of arcsinh. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -42,7 +42,7 @@ limit: .double 0.29 .text ENTRY(__ieee754_acoshf) - movl 8(%esp), %ecx + movl 4(%esp), %ecx cmpl $0x3f800000, %ecx jl 5f // < 1 => invalid fldln2 // log(2) diff --git a/sysdeps/libm-i387/e_acoshl.S b/sysdeps/libm-i387/e_acoshl.S index b0fa45c44e..0c81daaebe 100644 --- a/sysdeps/libm-i387/e_acoshl.S +++ b/sysdeps/libm-i387/e_acoshl.S @@ -1,5 +1,5 @@ /* ix87 specific implementation of arcsinh. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -49,6 +49,7 @@ limit: .double 0.29 .text ENTRY(__ieee754_acoshl) movl 12(%esp), %ecx + andl $0xffff, %ecx cmpl $0x3fff, %ecx jl 5f // < 1 => invalid fldln2 // log(2) diff --git a/sysdeps/mach/hurd/fcntlbits.h b/sysdeps/mach/hurd/fcntlbits.h index efa7069107..9906c97eb3 100644 --- a/sysdeps/mach/hurd/fcntlbits.h +++ b/sysdeps/mach/hurd/fcntlbits.h @@ -1,21 +1,21 @@ /* O_*, F_*, FD_* bit values for GNU. -Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc. -This file is part of the GNU C Library. - -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. - -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #ifndef _FCNTLBITS_H diff --git a/sysdeps/sparc/Dist b/sysdeps/sparc/Dist index ef6c44f78e..55f26143fd 100644 --- a/sysdeps/sparc/Dist +++ b/sysdeps/sparc/Dist @@ -1,4 +1,5 @@ DEFS.h +elf/DEFS.h dotmul.S umul.S divrem.m4 sdiv.S udiv.S rem.S urem.S alloca.S diff --git a/sysdeps/sparc/bsd-_setjmp.S b/sysdeps/sparc/bsd-_setjmp.S index 5b685d5496..522fe0e3a1 100644 --- a/sysdeps/sparc/bsd-_setjmp.S +++ b/sysdeps/sparc/bsd-_setjmp.S @@ -1,26 +1,43 @@ /* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. Sparc version. -Copyright (C) 1994 Free Software Foundation, Inc. -This file is part of the GNU C Library. + Copyright (C) 1994, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include <sysdep.h> -ENTRY (setjmp) +ENTRY (_setjmp) +#ifdef PIC +1: + jmpl 2f,%o1 + nop +2: + sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)),%l7 + or %l7,%lo(_GLOBAL_OFFSET_TABLE_-(1b-.)),%l7 + add %l7,%o1,%l7 + sethi %hi(C_SYMBOL_NAME (__sigsetjmp)),%g1 + or %g1,%lo(C_SYMBOL_NAME (__sigsetjmp)),%g1 + ld [%l7+%g1],%g1 + ld [%g1],%g1 + jmpl %g1,%g0 + mov %g0,%o1 /* Pass second argument of zero */ +#else + sethi %hi(C_SYMBOL_NAME (__sigsetjmp)), %g1 or %lo(C_SYMBOL_NAME (__sigsetjmp)), %g1, %g1 jmp %g1 mov %g0, %o1 /* Pass second argument of zero. */ +#endif diff --git a/sysdeps/sparc/bsd-setjmp.S b/sysdeps/sparc/bsd-setjmp.S index b0a6326a2c..09aee661da 100644 --- a/sysdeps/sparc/bsd-setjmp.S +++ b/sysdeps/sparc/bsd-setjmp.S @@ -1,26 +1,42 @@ /* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. Sparc version. -Copyright (C) 1994 Free Software Foundation, Inc. -This file is part of the GNU C Library. + Copyright (C) 1994, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include <sysdep.h> ENTRY (setjmp) +#ifdef PIC +1: + jmpl 2f,%o1 + nop +2: + sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)),%l7 + or %l7,%lo(_GLOBAL_OFFSET_TABLE_-(1b-.)),%l7 + add %l7,%o1,%l7 + sethi %hi(C_SYMBOL_NAME (__sigsetjmp)),%g1 + or %g1,%lo(C_SYMBOL_NAME (__sigsetjmp)),%g1 + ld [%l7+%g1],%g1 + ld [%g1],%g1 + jmpl %g1,%g0 + mov 1,%o1 +#else sethi %hi(C_SYMBOL_NAME (__sigsetjmp)), %g1 or %lo(C_SYMBOL_NAME (__sigsetjmp)), %g1, %g1 jmp %g1 mov 1, %o1 /* Pass second argument of one. */ +#endif diff --git a/sysdeps/sparc/divrem.m4 b/sysdeps/sparc/divrem.m4 index bde8a21e29..cada804706 100644 --- a/sysdeps/sparc/divrem.m4 +++ b/sysdeps/sparc/divrem.m4 @@ -83,11 +83,15 @@ L.$1.eval(2**N+$2): ifelse($1, 1, `9:')')dnl #include "DEFS.h" +#ifdef __linux__ +#include <asm/traps.h> +#else #ifdef __svr4__ #include <sys/trap.h> #else #include <machine/trap.h> #endif +#endif FUNC(NAME) ifelse(S, `true', diff --git a/sysdeps/sparc/dl-machine.h b/sysdeps/sparc/dl-machine.h index ad288e15b2..5240b0cf81 100644 --- a/sysdeps/sparc/dl-machine.h +++ b/sysdeps/sparc/dl-machine.h @@ -1,5 +1,5 @@ /* Machine-dependent ELF dynamic relocation inline functions. SPARC version. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -36,13 +36,7 @@ static inline int elf_machine_matches_host (Elf32_Half e_machine) { - switch (e_machine) - { - case EM_SPARC: - return 1; - default: - return 0; - } + return e_machine == EM_SPARC; } @@ -62,28 +56,50 @@ static inline Elf32_Addr elf_machine_load_address (void) { Elf32_Addr addr; -??? + + asm ( + "add %%fp,0x44,%%o2\n\t" /* o2 = point to argc */ + "ld [%%o2 - 4],%%o0\n\t" /* o0 = load argc */ + "sll %%o0, 2, %%o0\n\t" /* o0 = argc * sizeof (int) */ + "add %%o2,%%o0,%%o2\n\t" /* o2 = skip over argv */ + "add %%o2,4,%%o2\n\t" /* skip over null after argv */ + + /* Now %o2 is pointing to env, skip over that as well. */ + "1:\n\t" + "ld [%%o2],%%o0\n\t" + "cmp %%o0,0\n\t" + "bnz 1b\n\t" + "add %%o2,4,%%o2\n\t" + + /* Note that above, we want to advance the NULL after envp so + we always add 4. */ + + /* Now, search for the AT_BASE property. */ + "2:\n\t" + "ld [%%o2],%%o0\n\t" + "cmp %%o0,0\n\t" + "be,a 3f\n\t" + "or %%g0,%%g0,%0\n\t" + "cmp %%o0,7\n\t" /* AT_BASE = 7 */ + "be,a 3f\n\t" + "ld [%%o2+4],%0\n\t" + "b 2b\n\t" + "add %%o2,8,%%o2\n\t" + /* At this point %0 has the load address for the interpreter */ + "3:\n\t" + : "=r" (addr) + : /* no inputs */ + : "o0", "o2"); return addr; } -/* The `subl' insn above will contain an R_68K_RELATIVE relocation - entry intended to insert the run-time address of the label `here'. - This will be the first relocation in the text of the dynamic - linker; we skip it to avoid trying to modify read-only text in this - early stage. */ -#define ELF_MACHINE_BEFORE_RTLD_RELOC(dynamic_info) \ - ((dynamic_info)[DT_RELA]->d_un.d_ptr += sizeof (Elf32_Rela), \ - (dynamic_info)[DT_RELASZ]->d_un.d_val -= sizeof (Elf32_Rela)) - +#ifdef RESOLVE /* Perform the relocation specified by RELOC and SYM (which is fully resolved). MAP is the object containing the reloc. */ static inline void elf_machine_rela (struct link_map *map, - const Elf32_Rela *reloc, const Elf32_Sym *sym, - Elf32_Addr (*resolve) (const Elf32_Sym **ref, - Elf32_Addr reloc_addr, - int noplt)) + const Elf32_Rela *reloc, const Elf32_Sym *sym) { Elf32_Addr *const reloc_addr = (void *) (map->l_addr + reloc->r_offset); Elf32_Addr loadbase; @@ -91,21 +107,17 @@ elf_machine_rela (struct link_map *map, switch (ELF32_R_TYPE (reloc->r_info)) { case R_SPARC_COPY: - loadbase = (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0); + loadbase = RESOLVE (&sym, DL_LOOKUP_NOEXEC); memcpy (reloc_addr, (void *) (loadbase + sym->st_value), sym->st_size); break; case R_SPARC_GLOB_DAT: case R_SPARC_32: - loadbase = (resolve ? (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0) : - /* RESOLVE is null during bootstrap relocation. */ - map->l_addr); + loadbase = RESOLVE (&sym, 0); *reloc_addr = ((sym ? (loadbase + sym->st_value) : 0) + reloc->r_addend); break; case R_SPARC_JMP_SLOT: - loadbase = (resolve ? (*resolve) (&sym, (Elf32_Addr) reloc_addr, 1) : - /* RESOLVE is null during bootstrap relocation. */ - map->l_addr); + loadbase = RESOLVE (&sym, DL_LOOKUP_NOPLT); { Elf32_Addr value = ((sym ? (loadbase + sym->st_value) : 0) + reloc->r_addend); @@ -114,25 +126,20 @@ elf_machine_rela (struct link_map *map, } break; case R_SPARC_8: - loadbase = (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0); + loadbase = RESOLVE (&sym, 0); *(char *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0) + reloc->r_addend); break; case R_SPARC_16: - loadbase = (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0); + loadbase = RESOLVE (&sym, 0); *(short *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0) + reloc->r_addend); break; - case R_SPARC_32: - loadbase = (resolve ? (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0) : - /* RESOLVE is null during bootstrap relocation. */ - map->l_addr); - break; case R_SPARC_RELATIVE: - *reloc_addr = map->l_addr + reloc->r_addend; + *reloc_addr += map->l_addr + reloc->r_addend; break; case R_SPARC_DISP8: - loadbase = (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0); + loadbase = RESOLVE (&sym, 0); *(char *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0) + reloc->r_addend - (Elf32_Addr) reloc_addr); @@ -144,11 +151,31 @@ elf_machine_rela (struct link_map *map, - (Elf32_Addr) reloc_addr); break; case R_SPARC_DISP32: - loadbase = (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0); + loadbase = RESOLVE (&sym, 0); *reloc_addr = ((sym ? (loadbase + sym->st_value) : 0) + reloc->r_addend - (Elf32_Addr) reloc_addr); break; + case R_SPARC_LO10: + { + unsigned int saddr; + + loadbase = RESOLVE (&sym, 0); + saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend; + + *reloc_addr = (*reloc_addr & ~0x3ff) | (saddr & 0x3ff); + } + break; + case R_SPARC_HI22: + { + unsigned int saddr; + + loadbase = RESOLVE (&sym, 0); + saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend; + + *reloc_addr = (*reloc_addr & 0xffc00000)|(saddr >> 10); + } + break; case R_SPARC_NONE: /* Alright, Wilbur. */ break; default: @@ -172,6 +199,10 @@ elf_machine_lazy_rel (struct link_map *map, const Elf32_Rela *reloc) } } +#define ELF_ADJUST_ARG(arg) __asm__("\tadd %%fp,64,%0\n" : "=r" (arg)) + +#endif /* RESOLV */ + /* Nonzero iff TYPE describes relocation of a PLT entry, so PLT entries should not be allowed to define the value. */ #define elf_machine_pltrel_p(type) ((type) == R_SPARC_JMP_SLOT) @@ -213,26 +244,27 @@ elf_machine_runtime_setup (struct link_map *l, int lazy) plt[1] = OPCODE_CALL | (((Elf32_Addr) &_dl_runtime_resolve - (Elf32_Addr) &plt[1]) >> 2); plt[2] = OPCODE_NOP; /* Fill call delay slot. */ - plt[3] = l; + plt[3] = (Elf32_Addr *) l; } /* This code is used in dl-runtime.c to call the `fixup' function and then redirect to the address it returns. */ #define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\ -| Trampoline for _dl_runtime_resolver +# Trampoline for _dl_runtime_resolver .globl _dl_runtime_resolve .type _dl_runtime_resolve, @function _dl_runtime_resolve: - | Pass two args to fixup: the PLT address computed from the PC saved - | in the PLT's call insn, and the reloc offset passed in %g1. - ld [%o7 + 8], %o1 | Second arg, loaded from PLTPC[2]. - call fixup - shrl %g1, 22, %o0 | First arg, set in delay slot of call. - | Jump to the real function. - jmpl %o0, %g0 - | In the delay slot of that jump, restore the register window - | saved by the first insn of the PLT. - restore + #call %g0 + # Pass two args to fixup: the PLT address computed from the PC saved + # in the PLT's call insn, and the reloc offset passed in %g1. + #ld [%o7 + 8], %o1 | Second arg, loaded from PLTPC[2]. + #call fixup + #shrl %g1, 22, %o0 | First arg, set in delay slot of call. + # Jump to the real function. + #jmpl %o0, %g0 + # In the delay slot of that jump, restore the register window + # saved by the first insn of the PLT. + #restore .size _dl_runtime_resolve, . - _dl_runtime_resolve "); /* The PLT uses Elf32_Rela relocs. */ @@ -248,4 +280,13 @@ _dl_runtime_resolve: The C function `_dl_start' is the real entry point; its return value is the user program's entry point. */ -#define RTLD_START asm (???) +#define RTLD_START __asm__ ( \ +".text\n\ + .globl _start\n\ + .type _start,@function\n\ +_start:\n\ + call _dl_start\n\ + nop\n\ + call %o0\n\ + nop\n\ +"); diff --git a/sysdeps/sparc/elf/DEFS.h b/sysdeps/sparc/elf/DEFS.h new file mode 100644 index 0000000000..84f078ae40 --- /dev/null +++ b/sysdeps/sparc/elf/DEFS.h @@ -0,0 +1,5 @@ +#define FUNC(name) \ + .global name; \ + .type name,@function; \ + .align 4; \ + name: diff --git a/sysdeps/sparc/elf/start.S b/sysdeps/sparc/elf/start.S index 6dae08bafa..db407d7bae 100644 --- a/sysdeps/sparc/elf/start.S +++ b/sysdeps/sparc/elf/start.S @@ -1,21 +1,21 @@ /* Startup code compliant to the ELF SPARC ABI. -Copyright (C) 1996 Free Software Foundation, Inc. -This file is part of the GNU C Library. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ /* This is the canonical entry point, usually the first thing in the text segment. The SVR4/SPARC ABI (NOTE: I don't actually have it) says that @@ -82,7 +82,7 @@ nofini: sll ENVP, 2, ENVP add ARGV, ENVP, ENVP /* Store ENVP in the global variable `_environ'. */ - st [TMP + %lo(_environ)], ENVP + ld [TMP + %lo(_environ)], ENVP /* Call `_init', which is the entry point to our own `.init' section; and register with `atexit' to have `exit' call @@ -100,6 +100,7 @@ nofini: mov ENVP, %o2 call exit /* This should never return. */ + nop unimp 0 /* Crash if somehow it does return. */ /* Define a symbol for the first piece of initialized data. */ diff --git a/sysdeps/sparc/fpu_control.h b/sysdeps/sparc/fpu_control.h index a8015abc29..cfd85844c3 100644 --- a/sysdeps/sparc/fpu_control.h +++ b/sysdeps/sparc/fpu_control.h @@ -53,13 +53,6 @@ /* private namespace. It should only be used by crt0.o. */ extern unsigned short __fpu_control; -__BEGIN_DECLS - -/* called by crt0.o. It can be used to manipulate 387 control word. */ -extern void __setfpucw __P ((unsigned short)); - -__END_DECLS - /* Type of the control word. */ typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__HI__))); diff --git a/sysdeps/sparc/rem.S b/sysdeps/sparc/rem.S index 17662f7fd4..565fc0f678 100644 --- a/sysdeps/sparc/rem.S +++ b/sysdeps/sparc/rem.S @@ -38,11 +38,15 @@ #include "DEFS.h" +#ifdef __linux__ +#include <asm/traps.h> +#else #ifdef __svr4__ #include <sys/trap.h> #else #include <machine/trap.h> #endif +#endif FUNC(.rem) ! compute sign of result; if neither is negative, no problem diff --git a/sysdeps/sparc/sdiv.S b/sysdeps/sparc/sdiv.S index dadbb36b0a..7397e5edb8 100644 --- a/sysdeps/sparc/sdiv.S +++ b/sysdeps/sparc/sdiv.S @@ -38,11 +38,15 @@ #include "DEFS.h" +#ifdef __linux__ +#include <asm/traps.h> +#else #ifdef __svr4__ #include <sys/trap.h> #else #include <machine/trap.h> #endif +#endif FUNC(.div) ! compute sign of result; if neither is negative, no problem diff --git a/sysdeps/sparc/setjmp.S b/sysdeps/sparc/setjmp.S index db8a3c2916..d9599079c2 100644 --- a/sysdeps/sparc/setjmp.S +++ b/sysdeps/sparc/setjmp.S @@ -1,20 +1,20 @@ -/* Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. -This file is part of the GNU C Library. +/* Copyright (C) 1991, 1993, 1994, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include <sysdep.h> @@ -25,9 +25,25 @@ ENTRY (__sigsetjmp) /* Save our SP and FP; in the delay slot of the jump, save our return PC. Save the signal mask if requested with a tail-call for simplicity; it always returns zero. */ +#ifdef PIC +2: + jmpl 1f,%g2 + nop +1: + sethi %hi(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l7 + sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g3 + st %sp, [%o0 + (JB_SP * 4)] + or %l7,%lo(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l7 + or %g3,%lo(C_SYMBOL_NAME (__sigjmp_save)), %g3 + st %fp, [%o0 + (JB_FP * 4)] + ld [%l7+%g3],%g1 + jmp %g1 + st %o7, [%o0+(JB_PC*4)] +#else sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g1 st %sp, [%o0 + (JB_SP*4)] or %lo(C_SYMBOL_NAME (__sigjmp_save)), %g1, %g1 st %fp, [%o0 + (JB_FP*4)] jmp %g1 st %o7, [%o0 + (JB_PC*4)] +#endif /* PIC */ diff --git a/sysdeps/sparc/udiv.S b/sysdeps/sparc/udiv.S index 826d01183d..252afd0193 100644 --- a/sysdeps/sparc/udiv.S +++ b/sysdeps/sparc/udiv.S @@ -38,11 +38,15 @@ #include "DEFS.h" +#ifdef __linux__ +#include <asm/traps.h> +#else #ifdef __svr4__ #include <sys/trap.h> #else #include <machine/trap.h> #endif +#endif FUNC(.udiv) diff --git a/sysdeps/sparc/urem.S b/sysdeps/sparc/urem.S index 9f64c8859e..99a5acf40a 100644 --- a/sysdeps/sparc/urem.S +++ b/sysdeps/sparc/urem.S @@ -38,11 +38,15 @@ #include "DEFS.h" +#ifdef __linux__ +#include <asm/traps.h> +#else #ifdef __svr4__ #include <sys/trap.h> #else #include <machine/trap.h> #endif +#endif FUNC(.urem) diff --git a/sysdeps/unix/sysv/linux/netinet/in.h b/sysdeps/unix/sysv/linux/netinet/in.h index 53be934968..5b6cc78821 100644 --- a/sysdeps/unix/sysv/linux/netinet/in.h +++ b/sysdeps/unix/sysv/linux/netinet/in.h @@ -233,12 +233,17 @@ struct ip_mreq struct in_addr imr_interface; /* local IP address of interface */ }; -/* Functions to convert between host and network byte order. */ +/* Functions to convert between host and network byte order. -extern unsigned long int ntohl __P ((unsigned long int)); -extern unsigned short int ntohs __P ((unsigned short int)); -extern unsigned long int htonl __P ((unsigned long int)); -extern unsigned short int htons __P ((unsigned short int)); + Please note that these functions normally take `unsigned long int' or + `unsigned short int' values as arguments and also return them. But + this was a short-sighted decision since on different systems the types + may have different representations but the values are always the same. */ + +extern u_int32_t ntohl __P ((u_int32_t __netlong)); +extern u_int16_t ntohs __P ((u_int16_t __netshort)); +extern u_int32_t htonl __P ((u_int32_t __hostlong)); +extern u_int16_t htons __P ((u_int16_t __hostshort)); #include <endian.h> diff --git a/sysdeps/unix/sysv/linux/sparc/Makefile b/sysdeps/unix/sysv/linux/sparc/Makefile index 629e6b37df..30ef946c19 100644 --- a/sysdeps/unix/sysv/linux/sparc/Makefile +++ b/sysdeps/unix/sysv/linux/sparc/Makefile @@ -1,3 +1,11 @@ ifeq ($(subdir),signal) sysdep_routines += __sigtrampoline endif + +# When I get this to work, this is the right thing +ifeq ($(subdir),elf) +CFLAGS-rtld.c += -mv8 +#rtld-routines += dl-sysdepsparc +endif # elf + +asm-CPPFLAGS = -fPIC diff --git a/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S b/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S index 4fea850ee3..2dd13062fc 100644 --- a/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S +++ b/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S @@ -4,10 +4,10 @@ /* Contributed by Miguel de Icaza (miguel@gnu.ai.mit.edu) */ /* Many thanks go to David Miller for explaining all this to me */ /* miguel@nuclecu.unam.mx */ -/* Sources: David Miller, 4.4BSD/SPARC code */ +/* Sources: David Miller, 4.4BSD/SPARC code */ #include <sysdep.h> - +#define __ASSEMBLY__ /* For REGWIN_SZ */ #include <asm/ptrace.h> #include <asm/psr.h> @@ -18,13 +18,13 @@ .text ENTRY(____sparc_signal_trampoline) - .global SYMBOL_NAME(____sig_table) + .global C_SYMBOL_NAME(____sig_table) /* Make room for 32 %f registers + %fsr - * this is 132 bytes + alignement = 136 - * 96 is the C frame size - */ - save %sp,-136-CCFSZ,%sp + * this is 132 bytes + alignement = 136 + * 96 is the C frame size + */ + save %sp,-136-CCFSZ,%sp /* save regular registers */ mov %g2,%l2 @@ -34,31 +34,31 @@ ENTRY(____sparc_signal_trampoline) mov %g6,%l6 mov %g7,%l7 - /* save fpu registers */ - ld [%fp+64+16+20],%l0 /* load the psr from sigcontext */ + /* save fpu registers */ + ld [%fp+64+16+20],%l0 /* load the psr from sigcontext */ sethi %hi(PSR_EF),%l1 - andcc %l0,%l1,%l0 /* is floating point enabled? */ + andcc %l0,%l1,%l0 /* is floating point enabled? */ be 1f rd %y,%l1 /* save y anyways */ /* save fpu registers */ - st %fsr, [%sp + CCFSZ + 0] - std %f0, [%sp + CCFSZ + 8] - std %f2, [%sp + CCFSZ + 16] - std %f4, [%sp + CCFSZ + 24] - std %f6, [%sp + CCFSZ + 32] - std %f8, [%sp + CCFSZ + 40] - std %f10, [%sp + CCFSZ + 48] - std %f12, [%sp + CCFSZ + 56] - std %f14, [%sp + CCFSZ + 64] - std %f16, [%sp + CCFSZ + 72] - std %f18, [%sp + CCFSZ + 80] - std %f20, [%sp + CCFSZ + 88] - std %f22, [%sp + CCFSZ + 96] - std %f24, [%sp + CCFSZ + 104] - std %f26, [%sp + CCFSZ + 112] - std %f28, [%sp + CCFSZ + 120] - std %f30, [%sp + CCFSZ + 128] + st %fsr, [%sp + CCFSZ + 0] + std %f0, [%sp + CCFSZ + 8] + std %f2, [%sp + CCFSZ + 16] + std %f4, [%sp + CCFSZ + 24] + std %f6, [%sp + CCFSZ + 32] + std %f8, [%sp + CCFSZ + 40] + std %f10, [%sp + CCFSZ + 48] + std %f12, [%sp + CCFSZ + 56] + std %f14, [%sp + CCFSZ + 64] + std %f16, [%sp + CCFSZ + 72] + std %f18, [%sp + CCFSZ + 80] + std %f20, [%sp + CCFSZ + 88] + std %f22, [%sp + CCFSZ + 96] + std %f24, [%sp + CCFSZ + 104] + std %f26, [%sp + CCFSZ + 112] + std %f28, [%sp + CCFSZ + 120] + std %f30, [%sp + CCFSZ + 128] 1: /* Load signal number */ @@ -69,7 +69,7 @@ ENTRY(____sparc_signal_trampoline) /* Sanity check */ cmp %o0,33 bl 1f - or %g0,%g0,%g1 /*Call sys_setup */ + or %g0,%g0,%g1 /*Call sys_setup */ t 0x10 1: #ifdef __PIC__ @@ -79,16 +79,16 @@ ___sxx: call ___syy nop ___syy: - sethi %hi(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 - or %o5,%lo(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 + sethi %hi(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 + or %o5,%lo(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 add %o7,%o5,%o5 /* restore return address */ mov %o4,%o7 mov %o5,%o4 /* o4 has the GOT pointer */ #endif - sethi %hi(SYMBOL_NAME(____sig_table)),%o5 - or %o5,%lo(SYMBOL_NAME(____sig_table)),%o5 + sethi %hi(C_SYMBOL_NAME(____sig_table)),%o5 + or %o5,%lo(C_SYMBOL_NAME(____sig_table)),%o5 #ifdef __PIC__ add %o5,%o4,%o4 ld [%o4],%o5 @@ -97,9 +97,10 @@ ___syy: add %o5,%o4,%o4 ld [%o4],%o4 ld [%fp + REGWIN_SZ + 4],%o1 /* Load subcode */ - ld [%fp + REGWIN_SZ + 8],%o2 /* pointer to sigcontext */ + ld [%fp + REGWIN_SZ + 8],%o2 /* pointer to sigcontext */ call %o4 - ld [%fp + REGWIN_SZ + 12],%o3 /* Address where signal occurred */ + ld [%fp + REGWIN_SZ + 12],%o3 /* Address where signal ocurre + */ /* handler returned, restore state */ tst %l0 @@ -107,23 +108,23 @@ ___syy: wr %l1,%g0,%y /* fpu restoration */ - ld [%sp + CCFSZ + 0], %fsr - ldd [%sp + CCFSZ + 8], %f0 - ldd [%sp + CCFSZ + 16], %f2 - ldd [%sp + CCFSZ + 24], %f4 - ldd [%sp + CCFSZ + 32], %f6 - ldd [%sp + CCFSZ + 40], %f8 - ldd [%sp + CCFSZ + 48], %f10 - ldd [%sp + CCFSZ + 56], %f12 - ldd [%sp + CCFSZ + 64], %f14 - ldd [%sp + CCFSZ + 72], %f16 - ldd [%sp + CCFSZ + 80], %f18 - ldd [%sp + CCFSZ + 88], %f20 - ldd [%sp + CCFSZ + 96], %f22 - ldd [%sp + CCFSZ + 104], %f24 - ldd [%sp + CCFSZ + 112], %f26 - ldd [%sp + CCFSZ + 120], %f28 - ldd [%sp + CCFSZ + 128], %f30 + ld [%sp + CCFSZ + 0], %fsr + ldd [%sp + CCFSZ + 8], %f0 + ldd [%sp + CCFSZ + 16], %f2 + ldd [%sp + CCFSZ + 24], %f4 + ldd [%sp + CCFSZ + 32], %f6 + ldd [%sp + CCFSZ + 40], %f8 + ldd [%sp + CCFSZ + 48], %f10 + ldd [%sp + CCFSZ + 56], %f12 + ldd [%sp + CCFSZ + 64], %f14 + ldd [%sp + CCFSZ + 72], %f16 + ldd [%sp + CCFSZ + 80], %f18 + ldd [%sp + CCFSZ + 88], %f20 + ldd [%sp + CCFSZ + 96], %f22 + ldd [%sp + CCFSZ + 104], %f24 + ldd [%sp + CCFSZ + 112], %f26 + ldd [%sp + CCFSZ + 120], %f28 + ldd [%sp + CCFSZ + 128], %f30 1: mov %l2,%g2 @@ -133,10 +134,10 @@ ___syy: mov %l6,%g6 mov %l7,%g7 - /* call sigreturn */ - restore %g0,SYS_sigreturn,%g1 /* register back and set syscall */ + /* call sigreturn */ + restore %g0,SYS_ify(sigreturn),%g1 /* register back and set syscal */ add %sp,64+16,%o0 t 0x10 /* if we return, sysreturn failed */ - mov SYS_exit,%g1 + mov SYS_ify(exit),%g1 t 0x10 diff --git a/sysdeps/unix/sysv/linux/sparc/errno.c b/sysdeps/unix/sysv/linux/sparc/errno.c new file mode 100644 index 0000000000..663ab33e93 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/errno.c @@ -0,0 +1 @@ +itn errno; diff --git a/sysdeps/unix/sysv/linux/sparc/profil-counter.h b/sysdeps/unix/sysv/linux/sparc/profil-counter.h index 1998c34ed5..258df5ba93 100644 --- a/sysdeps/unix/sysv/linux/sparc/profil-counter.h +++ b/sysdeps/unix/sysv/linux/sparc/profil-counter.h @@ -22,14 +22,5 @@ void profil_counter (int signo, __siginfo_t si) { - extern int __sparc_old_signals; - - if (__sparc_old_signals) - { - struct sigcontext_struct *s = (void *) &si; - - profil_count ((void *) s->sigc_pc); - } - else - profil_count ((void *) si.si_regs.pc); + profil_count ((void *) si.si_regs.pc); } diff --git a/sysdeps/unix/sysv/linux/sparc/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sigaction.c index e7bda77de2..d39eb7cc76 100644 --- a/sysdeps/unix/sysv/linux/sparc/sigaction.c +++ b/sysdeps/unix/sysv/linux/sparc/sigaction.c @@ -22,6 +22,10 @@ #include <sys/signal.h> #include <errno.h> +/* Commented out while I figure out what the fuck goes on */ +long ____sig_table [NSIG]; +#if 0 + /* The kernel will deliver signals in the old way if the signal number is a positive number. The kernel will deliver a signal with the new stack layout if the signal number is a negative number. @@ -30,7 +34,6 @@ using at runtime. */ extern void ____sparc_signal_trampoline (int); -long ____sig_table [NSIG]; int __trampoline_sigaction (int sig, struct sigaction *new, struct sigaction *old) @@ -60,7 +63,7 @@ __trampoline_sigaction (int sig, struct sigaction *new, struct sigaction *old) "1:" : "=r" (ret), "=r" ((long int) sig), "=r" ((long int) new), "=r" ((long int) old) - : "0" (SYS_sigaction), "1" (sig), "2" (new), "3" (old) + : "0" (__NR_sigaction), "1" (sig), "2" (new), "3" (old) : "g1", "o0", "o1", "o2"); if (ret >= 0) @@ -79,9 +82,12 @@ __trampoline_sigaction (int sig, struct sigaction *new, struct sigaction *old) __set_errno (-ret); return -1; } +#else +# define __new_sigaction __sigaction +#endif int -__new_sigaction (int sig, struct sigaction *new, struct sigaction *old) +__new_sigaction (int sig, __const struct sigaction *new, struct sigaction *old) { int ret; @@ -98,7 +104,7 @@ __new_sigaction (int sig, struct sigaction *new, struct sigaction *old) "1:" : "=r" (ret), "=r" ((long int) sig), "=r" ((long int) new), "=r" ((long int) old) - : "0" (SYS_sigaction), "1" (sig), "2" (new), "3" (old) + : "0" (__NR_sigaction), "1" (sig), "2" (new), "3" (old) : "g1", "o0", "o1", "o2"); if (ret >= 0) return 0; @@ -106,10 +112,11 @@ __new_sigaction (int sig, struct sigaction *new, struct sigaction *old) return -1; } +#if 0 int -__sigaction (int sig, struct sigaction *new, struct sigaction *old) +__sigaction (int sig, __const struct sigaction *new, struct sigaction *old) { - static (*sigact_routine) (int, struct sigaction *, struct sigaction *); + static (*sigact_routine) (int, __const struct sigaction *, struct sigaction *); int ret; struct sigaction sa; @@ -124,4 +131,6 @@ __sigaction (int sig, struct sigaction *new, struct sigaction *old) return __sigaction (sig, new, old); } +#endif + weak_alias (__sigaction, sigaction); diff --git a/sysdeps/unix/sysv/linux/sparc/syscall.S b/sysdeps/unix/sysv/linux/sparc/syscall.S index 4166e4231b..3921ca52dc 100644 --- a/sysdeps/unix/sysv/linux/sparc/syscall.S +++ b/sysdeps/unix/sysv/linux/sparc/syscall.S @@ -16,15 +16,26 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#define DONT_LOAD_G1 #include <sysdep.h> -ENTRY (__libc_syscall) + .text +ENTRY (syscall) or %o0,%g0,%g1 or %o1,%g0,%o0 or %o2,%g0,%o1 or %o3,%g0,%o2 or %o4,%g0,%o3 or %o5,%g0,%o4 -PSEUDO_NOENT(__libc_syscall, syscall, 5) + ta 0x10 + bcc 1f + nop + save %sp, -96, %sp + call __errno_location + nop + st %i0,[%o0] + restore + retl + mov -1, %o0 +1: ret -SYSCALL__POST(syscall,5) + +PSEUDO_END (syscall) diff --git a/sysdeps/unix/sysv/linux/sparc/syscalls.list b/sysdeps/unix/sysv/linux/sparc/syscalls.list new file mode 100644 index 0000000000..7883d70719 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/syscalls.list @@ -0,0 +1,3 @@ +# File name Caller Syscall name # args Strong name Weak names + +s_llseek llseek _llseek 5 __sys_llseek diff --git a/sysdeps/unix/sysv/linux/sparc/sysdep.S b/sysdeps/unix/sysv/linux/sparc/sysdep.S new file mode 100644 index 0000000000..7e9023901b --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sysdep.S @@ -0,0 +1,3 @@ +/* Define errno */ + + .common errno,4,4 diff --git a/sysdeps/unix/sysv/linux/sparc/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sysdep.h index 0251a1f014..5ae440152b 100644 --- a/sysdeps/unix/sysv/linux/sparc/sysdep.h +++ b/sysdeps/unix/sysv/linux/sparc/sysdep.h @@ -20,6 +20,11 @@ #ifndef _LINUX_SPARC_SYSDEP_H #define _LINUX_SPARC_SYSDEP_H 1 +/* Kernel headers use __ASSEMBLY__ */ +#ifdef ASSEMBLER +#define __ASSEMBLY__ +#endif + #include <sysdeps/unix/sparc/sysdep.h> #undef SYS_ify @@ -30,12 +35,34 @@ #ifdef DONT_LOAD_G1 # define LOADSYSCALL(x) #else -# define LOADSYSCALL(x) mov SYS_##n, %g1 +# define LOADSYSCALL(x) mov __NR_##x, %g1 #endif -/* Linux/SPARC uses a different trap number and uses __errno_location always */ +/* Linux/SPARC uses a different trap number */ #undef PSEUDO +#ifdef PIC +#define SYSCALL_ERROR_HANDLER \ + .global C_SYMBOL_NAME(__errno_location);\ + .type C_SYMBOL_NAME(__errno_location),@function;\ + save %sp,-96,%sp;\ + call __errno_location;\ + nop;\ + st %i0,[%o0];\ + restore;\ + retl;\ + mov -1,%o0; +#else +#define SYSCALL_ERROR_HANDLER \ + save %sp,-96,%sp; \ + call __errno_location; \ + nop; \ + st %i0,[%o0]; \ + restore; \ + retl; \ + mov -1,%o0; +#endif /* PIC */ + #define PSEUDO(name, syscall_name, args) \ .text; \ ENTRY(name); \ @@ -43,14 +70,8 @@ ta 0x10; \ bcc,a 1f; \ nop; \ - save %sp,96,%sp; \ - call __errno_location; \ - nop; \ - st %i0,[%o0]; \ - restore; \ - retl; \ - mov -1,%o0; \ -1: + SYSCALL_ERROR_HANDLER; \ +1:; #endif /* ASSEMBLER */ diff --git a/time/Makefile b/time/Makefile index fb9ef32535..0798e0838e 100644 --- a/time/Makefile +++ b/time/Makefile @@ -106,12 +106,12 @@ $(tzfiles:%=$(objpfx)z.%): $(objpfx)z.%: % Makefile echo '$*-zones := $$(subst $$(nl), ,$$($*-zones))' ;\ echo 'ifdef $*-zones' ;\ if test x$(findstring $*, $(tzlinks)) != x; then \ - echo '$$(addprefix $$(inst_datadir)/zone%/right/,$$($*-zones)) \';\ - echo '$$(addprefix $$(inst_datadir)/zone%/posix/,$$($*-zones)) \';\ - echo '$$(addprefix $$(inst_datadir)/zone%/,$$($*-zones)): \' ;\ - echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_datadir)/zone%/right/,$$($$t-zones))) \' ;\ - echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_datadir)/zone%/posix/,$$($$t-zones))) \' ;\ - echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_datadir)/zone%/,$$($$t-zones)))' ;\ + echo '$$(addprefix $$(inst_zonedir)/right/,$$($*-zones)) \';\ + echo '$$(addprefix $$(inst_zonedir)/posix/,$$($*-zones)) \';\ + echo '$$(addprefix $$(inst_zonedir)/,$$($*-zones)): \' ;\ + echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_zonedir)/right/,$$($$t-zones))) \' ;\ + echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_zonedir)/posix/,$$($$t-zones))) \' ;\ + echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_zonedir)/,$$($$t-zones)))' ;\ fi ;\ echo '$$(addprefix $$(inst_datadir)/zone%/right/,$$($*-zones)): \' ;\ echo '$< $$(objpfx)zic leapseconds yearistype' ;\ |