diff options
Diffstat (limited to 'sysdeps/unix')
17 files changed, 163 insertions, 69 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h index 1858ef4857..3e4e855915 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h @@ -40,6 +40,8 @@ struct sigaction /* Bits in `sa_flags'. */ #define SA_NOCLDSTOP 0x00000008 /* Don't send SIGCHLD when children stop. */ +#define SA_SIGINFO 0x00000200 /* Invoke signal-catching function with + three arguments instead of one. */ #ifdef __USE_MISC # define SA_STACK 0x00000001 /* Use signal stack by using `sa_restorer'. */ # define SA_RESTART 0x00000002 /* Restart syscall on signal return. */ diff --git a/sysdeps/unix/sysv/linux/sparc/bits/signum.h b/sysdeps/unix/sysv/linux/sparc/bits/signum.h index fae3826023..976eef2758 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/signum.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/signum.h @@ -32,8 +32,6 @@ * Linux/SPARC has different signal numbers that Linux/i386: I'm trying * to make it OSF/1 binary compatible, at least for normal binaries. */ -#define _NSIG 32 /* Biggest signal number + 1. */ - #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 @@ -70,4 +68,15 @@ #define SIGUSR1 30 #define SIGUSR2 31 +#define _NSIG 64 /* Biggest signal number + 1 + (including real-time signals). */ + +#define SIGRTMIN (__libc_current_sigrtmin ()) +#define SIGRTMAX (__libc_current_sigrtmax ()) + +/* These are the hard limits of the kernel. These values should not be + used directly at user level. */ +#define __SIGRTMIN 32 +#define __SIGRTMAX (_NSIG - 1) + #endif /* <signal.h> included. */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c b/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c index 7e784cab8f..4d38631a19 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/brk.c @@ -33,7 +33,7 @@ weak_alias (__curbrk, ___brk_addr) int __brk (void *addr) { - void *newbrk, *scratch; + void *newbrk; { register void *o0 __asm__("%o0") = addr; diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c index 742ac5583c..ae44328fad 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c @@ -23,6 +23,13 @@ #include <errno.h> #include <kernel_sigaction.h> +extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *, + struct kernel_sigaction *, unsigned long, + size_t); + +static void __rt_sigreturn_stub (void); +static void __sigreturn_stub (void); + /* The variable is shared between all wrappers around signal handling functions which have RT equivalents. */ int __libc_missing_rt_sigs; @@ -30,8 +37,49 @@ int __libc_missing_rt_sigs; int __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) { + struct old_kernel_sigaction k_sigact, k_osigact; int ret; - struct kernel_sigaction k_sigact, k_osigact; + + /* First try the RT signals. */ + if (!__libc_missing_rt_sigs) + { + struct kernel_sigaction kact, koact; + unsigned long stub = 0; + int saved_errno = errno; + + if (act) + { + kact.k_sa_handler = act->sa_handler; + memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t)); + if (((kact.sa_flags = act->sa_flags) & SA_SIGINFO) != 0) + stub = (unsigned long) &__rt_sigreturn_stub; + else + stub = (unsigned long) &__sigreturn_stub; + stub -= 8; + kact.sa_restorer = NULL; + } + + /* XXX The size argument hopefully will have to be changed to the + real size of the user-level sigset_t. */ + ret = __syscall_rt_sigaction (sig, act ? &kact : 0, + oact ? &koact : 0, + stub, _NSIG / 8); + + if (ret >= 0 || errno != ENOSYS) + { + if (oact && ret >= 0) + { + oact->sa_handler = koact.k_sa_handler; + memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t)); + oact->sa_flags = koact.sa_flags; + oact->sa_restorer = koact.sa_restorer; + } + return ret; + } + + __set_errno (saved_errno); + __libc_missing_rt_sigs = 1; + } /* Magic to tell the kernel we are using "new-style" signals, in that the signal table is not kept in userspace. Not the same as the @@ -41,15 +89,16 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) if (act) { k_sigact.k_sa_handler = act->sa_handler; - memcpy (&k_sigact.sa_mask, &act->sa_mask, sizeof (sigset_t)); + k_sigact.sa_mask = act->sa_mask.__val[0]; k_sigact.sa_flags = act->sa_flags; + k_sigact.sa_restorer = NULL; } { register int r_syscallnr __asm__("%g1") = __NR_sigaction; register int r_sig __asm__("%o0") = sig; - register struct kernel_sigaction *r_act __asm__("%o1"); - register struct kernel_sigaction *r_oact __asm__("%o2"); + register struct old_kernel_sigaction *r_act __asm__("%o1"); + register struct old_kernel_sigaction *r_oact __asm__("%o2"); r_act = act ? &k_sigact : NULL; r_oact = oact ? &k_osigact : NULL; @@ -57,7 +106,7 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) __asm__ __volatile__("t 0x10\n\t" "bcc 1f\n\t" " nop\n\t" - " sub %%g0,%%o0,%%o0\n" + "sub %%g0,%%o0,%%o0\n" "1:" : "=r"(r_sig) : "r"(r_syscallnr), "r"(r_act), "r"(r_oact), @@ -66,16 +115,13 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) ret = r_sig; } - if (ret >= 0) + if (oact && ret >= 0) { - if (oact) - { - oact->sa_handler = k_osigact.k_sa_handler; - memcpy (&oact->sa_mask, &k_osigact.sa_mask, sizeof (sigset_t)); - oact->sa_flags = k_osigact.sa_flags; - oact->sa_restorer = NULL; - } - return 0; + oact->sa_handler = k_osigact.k_sa_handler; + oact->sa_mask.__val[0] = k_osigact.sa_mask; + oact->sa_flags = k_osigact.sa_flags; + oact->sa_restorer = NULL; + return ret; } __set_errno (-ret); @@ -83,3 +129,21 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact) } weak_alias (__sigaction, sigaction); + +static void +__rt_sigreturn_stub (void) +{ + __asm__ ("mov %0, %%g1\n\t" + "ta 0x10\n\t" + : /* no outputs */ + : "i" (__NR_rt_sigreturn)); +} + +static void +__sigreturn_stub (void) +{ + __asm__ ("mov %0, %%g1\n\t" + "ta 0x10\n\t" + : /* no outputs */ + : "i" (__NR_sigreturn)); +} diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/Dist b/sysdeps/unix/sysv/linux/sparc/sparc64/Dist index 50f83311cd..c22b73ebd2 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/Dist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/Dist @@ -4,5 +4,4 @@ kernel_stat.h getcontext.S setcontext.S sizes.h -ucontext.h init-first.h diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h index b200b718d2..e51f81a5a0 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h @@ -21,6 +21,11 @@ # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." #endif -#include <ucontext.h> +#include <sys/ucontext.h> typedef ucontext_t __jmp_buf[1]; + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h index 9027eca2ac..b6178f5a8e 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h @@ -39,4 +39,20 @@ struct statfs long int f_spare[6]; }; +/* We already use 64-bit types in the normal structure, + so this is the same as the above. */ +struct statfs64 + { + long int f_type; + long int f_bsize; + long int f_blocks; + long int f_bfree; + long int f_bavail; + long int f_files; + long int f_ffree; + __fsid_t f_fsid; + long int f_namelen; + long int f_spare[6]; + }; + #endif /* bits/statfs.h */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S index 333f9916f8..e21b60d637 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S @@ -38,7 +38,7 @@ __curbrk: .skip 8 .text ENTRY(__brk) - save %sp, -160, %sp + save %sp, -192, %sp #ifdef PIC 1: call 2f sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 @@ -49,24 +49,23 @@ ENTRY(__brk) LOADSYSCALL(brk) mov %i0, %o0 - ta 0x11 + ta 0x6d /* All the ways we can fail... */ bcs,pn %xcc, .Lerr1 nop - brz %i0, .Lok + brz,pt %i0, .Lok subcc %i0, %o0, %g0 bne,pn %xcc, .Lerr0 + nop /* Update __curbrk and return cleanly. */ .Lok: sethi %hi(__curbrk), %g1 or %g1, %lo(__curbrk), %g1 #ifdef PIC ldx [%l7+%g1], %g1 - stx %o0, [%g1] -#else - stx %o0, [%g4+%g1] #endif + stx %o0, [%g1] mov %g0, %i0 /* Don't use "ret" cause the preprocessor will eat it. */ @@ -81,10 +80,8 @@ ENTRY(__brk) or %g1, %lo(errno), %g1 #ifdef PIC ldx [%l7+%g1], %g1 - st %o0, [%g1] -#else - st %o0, [%g4+%g1] #endif + st %o0, [%g1] #else call __errno_location mov %o0,%l1 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S index 6c619fcdc3..d7506b7c72 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S @@ -30,7 +30,7 @@ .type __clone,@function __clone: - save %sp,-160,%sp + save %sp, -192, %sp /* sanity check arguments */ brz,pn %i0, 99f @@ -42,10 +42,10 @@ __clone: mov %i1, %o1 mov %i2, %o0 set __NR_clone, %g1 - ta 0x11 + ta 0x6d bcs,pn %xcc, 99f nop - brnz %o0, __thread_start + brnz,pn %o0, __thread_start mov %o0, %i0 ret restore @@ -62,7 +62,6 @@ __clone: st %i0, [%l7+%g2] #else sethi %hi(errno), %g2 - add %g2, %g4, %g2 set EINVAL, %i0 st %i0, [%g2+%lo(errno)] #endif diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h b/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h index 955714dc4f..ece284ab44 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h @@ -33,7 +33,7 @@ .global " #NAME " .type " #NAME ",@function " #NAME ": - save %sp, -128, %sp + save %sp, -192, %sp 1: call 11f sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 11: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 @@ -73,11 +73,10 @@ or %g2, %lo(_dl_starting_up), %g2 brz,pt %g2, 3f sethi %hi(__libc_multiple_libcs), %g3 - ld [%g4+%g2], %g1 + ld [%g2], %g1 mov %g0, %g2 movrz %g1, 1, %g2 -3: or %g3, %lo(__libc_multiple_libcs), %g3 - st %g2, [%g3+%g4] +3: st %g2, [%g3 + %lo(__libc_multiple_libcs)] /* If so, argc et al are in %o0-%o2 already. Otherwise, load them. */ brnz,pn %g2, " #INIT " nop diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S b/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S index d63762cb15..963aa6d89d 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S @@ -44,5 +44,7 @@ ENTRY(longjmp) END(longjmp) strong_alias(longjmp, __longjmp) +strong_alias(longjmp, __libc_longjmp) +strong_alias(longjmp, __libc_siglongjmp) weak_alias(longjmp, _longjmp) weak_alias(longjmp, siglongjmp) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S index 82ff4eae3c..38a6f8f8b8 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S @@ -22,7 +22,7 @@ ENTRY (__libc_pipe) mov %o0, %o2 /* Save PIPEDES. */ LOADSYSCALL(pipe) - ta 0x11 + ta 0x6d bcc,pn %xcc, 2f nop SYSCALL_ERROR_HANDLER diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c b/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c index 96a6a76945..300ebb2629 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c @@ -1,4 +1,7 @@ #define readdir64 __no_readdir64_decl +#define __readdir64 __no___readdir64_decl #include <sysdeps/unix/readdir.c> +#undef __readdir64 +strong_alias (__readdir, __readdir64) #undef readdir64 weak_alias (__readdir, readdir64) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h index 160e2fc43a..f62b542b2f 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h @@ -1,5 +1,5 @@ -#ifndef _UCONTEXT_H -#define _UCONTEXT_H +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H #include <signal.h> @@ -64,4 +64,4 @@ struct ucontext { }; typedef struct ucontext ucontext_t; -#endif /* ucontext.h */ +#endif /* sys/ucontext.h */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S index 30dace5903..5864bfcbc3 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S @@ -28,7 +28,7 @@ ENTRY (syscall) mov %o4,%o3 mov %o5,%o4 - ta 0x11 + ta 0x6d bcc,pt %xcc,1f nop diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list index fcf556b818..1ec42fa42e 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list @@ -6,7 +6,7 @@ pread - pread 4 __pread pread __pread64 pread64 pwrite - pwrite 4 __pwrite pwrite __pwrite64 pwrite64 fstatfs - fstatfs 2 __fstatfs fstatfs fstatfs64 statfs - statfs 2 __statfs statfs statfs64 -getrlimit - getrlimit 2 getrlimit getrlimit64 +getrlimit - getrlimit 2 __getrlimit getrlimit getrlimit64 setrlimit - setrlimit 2 setrlimit setrlimit64 ftruncate - ftruncate 2 __ftruncate ftruncate ftruncate64 truncate - truncate 2 truncate truncate64 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h index 2cc8547c1a..5a9a4e249b 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h @@ -46,49 +46,48 @@ #ifdef PIC # ifdef _LIBC_REENTRANT # define SYSCALL_ERROR_HANDLER \ - save %sp,-160,%sp; \ - call __errno_location; \ + save %sp, -192, %sp; \ + call __errno_location; \ nop; \ - st %i0,[%o0]; \ - sub %g0,1,%i0; \ - jmpl %i7+8, %g0; \ + st %i0,[%o0]; \ + sub %g0,1,%i0; \ + jmpl %i7+8, %g0; \ restore # else # define SYSCALL_ERROR_HANDLER \ .global C_SYMBOL_NAME(errno); \ .type C_SYMBOL_NAME(errno),@object; \ - mov %o7,%g3; \ - 101: call 102f; \ - sethi %hi(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \ - 102: or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \ - sethi %hi(errno),%o1; \ - add %g2,%o7,%l7; \ - or %o1,%lo(errno),%o1; \ - mov %g3,%o7; \ - ldx [%l7+%o1],%g2; \ - st %o0,[%g2]; \ + mov %o7, %g3; \ + 101: call 102f; \ + sethi %hi(_GLOBAL_OFFSET_TABLE_-(101b-.)), %g2; \ + 102: or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(101b-.)), %g2; \ + sethi %hi(errno), %o1; \ + add %g2, %o7, %l7; \ + or %o1, %lo(errno), %o1; \ + mov %g3,%o7; \ + ldx [%l7+%o1], %g2; \ + st %o0, [%g2]; \ retl; \ - sub %g0,1,%i0 + sub %g0, 1, %i0 # endif #else # ifdef _LIBC_REENTRANT # define SYSCALL_ERROR_HANDLER \ - save %sp,-160,%sp; \ - call __errno_location; \ + save %sp, -192, %sp; \ + call __errno_location; \ nop; \ - st %i0,[%o0]; \ - sub %g0,1,%i0; \ - jmpl %i7+8, %g0; \ + st %i0, [%o0]; \ + sub %g0, 1, %i0; \ + jmpl %i7+8, %g0; \ restore # else # define SYSCALL_ERROR_HANDLER \ .global C_SYMBOL_NAME(errno); \ .type C_SYMBOL_NAME(errno),@object; \ - sethi %hi(errno),%g1; \ - or %g1,%lo(errno),%g1; \ - st %i0,[%g1+%g4]; \ + sethi %hi(errno), %g1; \ + st %i0, [%g1 + %lo(errno)]; \ retl; \ - sub %g0,1,%i0 + sub %g0, 1, %i0 # endif #endif @@ -96,8 +95,8 @@ .text; \ ENTRY(name); \ LOADSYSCALL(syscall_name); \ - ta 0x11; \ - bcc,pt %xcc,1f; \ + ta 0x6d; \ + bcc,pt %xcc, 1f; \ nop; \ SYSCALL_ERROR_HANDLER; \ 1: |