aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/mach/hurd/i386/trampoline.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1995-03-16 05:32:45 +0000
committerRoland McGrath <roland@gnu.org>1995-03-16 05:32:45 +0000
commitf0bf9cb92c28c9ec0ac3376d87055e9d14610082 (patch)
treec058250695dd90b4eb5b870620826727d559f925 /sysdeps/mach/hurd/i386/trampoline.c
parent67a3a8ac7fef11753205c69da9df9c4ef30f6076 (diff)
downloadglibc-f0bf9cb92c28c9ec0ac3376d87055e9d14610082.tar
glibc-f0bf9cb92c28c9ec0ac3376d87055e9d14610082.tar.gz
glibc-f0bf9cb92c28c9ec0ac3376d87055e9d14610082.tar.bz2
glibc-f0bf9cb92c28c9ec0ac3376d87055e9d14610082.zip
Thu Mar 16 00:04:41 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* locale/C-ctype.c: New correct data generated by drepper. * Rules: Don't use $(libc.a). Parsing of grouped numbers contributed by Ulrich Drepper. * stdlib/strtol.c (__strtol_internal): Renamed from strtol. Take new flag arg; if nonzero, parse locale-dependent thousands grouping and interpret only the prefix that is correctly grouped. (strtol): Define this to call _strtol_internal with zero for the flag. Use a weak symbol for the definition. * stdlib/strtod.c (strtod, __strtod_internal): Likewise. Check for the exponent of the number overflowing the float format. * stdlib/stdlib.h (__strtof, __strtold): Declarations removed. (__strto{f,d,ld,l,ul,q,uq}_internal): Declare these functions. [__OPTIMIZE__]: Define inline functions calling those. * stdlib/grouping.h: New file, written by drepper. * stdlib/Makefile (distribute): Add grouping.h. * stdio/vfscanf.c: Grok %' modifier to numeric conversions. Call __strtoX_internal with the grouping flag set iff the modifier is present. Wed Mar 15 00:40:54 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * sysdeps/generic/memchr.c: Fix typos: limit.h -> limits.h. * mach/Machrules: Produce static deps for all object flavors. [interface-library]: Remove all these variables and rules. ($(interface-library)-routines): Define this variable. (extra-libs): Append $(interface-library) to this. * mach/Makefile (interface-library): Omit .a suffix. * hurd/Makefile: Likewise. Tue Mar 14 23:40:31 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * stdio/internals.c (flushbuf): If !FLUSH_ONLY, don't skip out early if no new data in buffer after priming. * Makerules (object-suffixes, libtypes): Move all these variables to Makeconfig. * Makeconfig (object-suffixes, libtypes): Moved here from Makerules. * Makerules (build-extra-lib): New canned sequence. * sysdeps/mach/hurd/euidaccess.c: Include fcntl.h. Declare ERR; fix uses of FILE and PORT. Remove bogus weak alias for `access'. * sysdeps/mach/hurd/dirfd.c: Include hurd/fd.h and errno.h. Add missing semicolon. * sysdeps/mach/hurd/opendir.c: Include hurd/fd.h. Use a `struct hurd_fd *' temp var, since DIRP->__fd is a `void *'. * sysdeps/mach/hurd/readdir.c: Include hurd/fd.h. * stdlib/wcstombs.c: #if 0 out code for non-ASCII chars until the locale data format is implemented. * sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): Pass &__sigreturn on the stack to the trampoline code, so it is not position-dependent. * stdio/printf_fp.c (NDEBUG): Define this to disable assert. Don't include <stdarg.h>. (__printf_fp): Last arg ARGS is now `const void **const'; dereference ARGS[0] instead of using va_arg. * locale/setlocale.c: In LC_ALL case, initialize CATEGORY before loop to install data. * locale/loadlocale.c (_nl_category_num_items): Use _NL_ITEM_INDEX to extract number from item code. (_nl_load_locale): Close the descriptor when finished. * malloc/realloc.c (_realloc_internal): Call _malloc_internal in place of malloc. * time/tzfile.c (__tzfile_default): Initialize RULE_STDOFF to zero.
Diffstat (limited to 'sysdeps/mach/hurd/i386/trampoline.c')
-rw-r--r--sysdeps/mach/hurd/i386/trampoline.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/sysdeps/mach/hurd/i386/trampoline.c b/sysdeps/mach/hurd/i386/trampoline.c
index eabf940b44..75f11457cd 100644
--- a/sysdeps/mach/hurd/i386/trampoline.c
+++ b/sysdeps/mach/hurd/i386/trampoline.c
@@ -1,5 +1,5 @@
/* Set thread_state for sighandler, and sigcontext to recover. i386 version.
-Copyright (C) 1994 Free Software Foundation, Inc.
+Copyright (C) 1994, 1995 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
@@ -51,6 +51,8 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler,
int signo;
long int sigcode;
struct sigcontext *scp; /* Points to ctx, below. */
+ void *sigreturn_addr;
+ void *sigreturn_returns_here;
struct sigcontext *return_scp; /* Same; arg to sigreturn. */
struct sigcontext ctx;
} *stackframe;
@@ -120,6 +122,7 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler,
stackframe->signo = signo;
stackframe->sigcode = sigcode;
stackframe->scp = stackframe->return_scp = scp = &stackframe->ctx;
+ stackframe->sigreturn_addr = &__sigreturn;
/* Set up the sigcontext from the current state of the thread. */
@@ -224,11 +227,13 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler,
8(%esp) SCP
*/
asm volatile
- ("call %*%%edx\n" /* Call the handler function. */
- "addl $12, %%esp\n" /* Pop its args. */
- "call %P0\n" /* Call __sigreturn (SCP); never returns. */
- "hlt" /* Just in case. */
- : : "i" (&__sigreturn));
+ ("call *%edx\n" /* Call the handler function. */
+ "addl $12, %esp\n" /* Pop its args. */
+ /* The word at the top of stack is &__sigreturn; following are a dummy
+ word to fill the slot for the address for __sigreturn to return to,
+ and a copy of SCP for __sigreturn's argument. "Return" to calling
+ __sigreturn (SCP); this call never returns. */
+ "ret");
/* NOTREACHED */
return NULL;