diff options
author | Roland McGrath <roland@gnu.org> | 2005-02-16 19:57:14 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2005-02-16 19:57:14 +0000 |
commit | 7cd274587760436effbfce65cfdbd51f761acd67 (patch) | |
tree | 8620654b8197c81aded8a206680e53b4294baccf /sysdeps/unix/sysv | |
parent | aa29d418cf3ee21f906247b6ab49e8aab6fd19dc (diff) | |
download | glibc-7cd274587760436effbfce65cfdbd51f761acd67.tar.gz glibc-7cd274587760436effbfce65cfdbd51f761acd67.tar.xz glibc-7cd274587760436effbfce65cfdbd51f761acd67.zip |
Updated to fedora-glibc-2_3-20050216T1256
Diffstat (limited to 'sysdeps/unix/sysv')
-rw-r--r-- | sysdeps/unix/sysv/linux/futimes.c | 64 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/clone.S | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.h | 33 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/kernel-features.h | 5 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S | 8 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S | 8 |
6 files changed, 92 insertions, 28 deletions
diff --git a/sysdeps/unix/sysv/linux/futimes.c b/sysdeps/unix/sysv/linux/futimes.c index f43f568ec1..7d79a40aab 100644 --- a/sysdeps/unix/sysv/linux/futimes.c +++ b/sysdeps/unix/sysv/linux/futimes.c @@ -23,6 +23,7 @@ #include <utime.h> #include <sys/time.h> #include <stdio-common/_itoa.h> +#include <fcntl.h> #include "kernel-features.h" @@ -40,31 +41,58 @@ __futimes (int fd, const struct timeval tvp[2]) char *cp = _itoa_word ((unsigned int) fd, fname + sizeof (fname) - 1, 10, 0); cp = memcpy (cp - sizeof (selffd) + 1, selffd, sizeof (selffd) - 1); + int result; #ifdef __NR_utimes - int result = INLINE_SYSCALL (utimes, 2, cp, tvp); + result = INLINE_SYSCALL (utimes, 2, cp, tvp); # ifndef __ASSUME_UTIMES - if (result != -1 || errno != ENOSYS) + if (result == -1 && errno == ENOSYS) # endif - return result; #endif - - /* The utimes() syscall does not exist or is not available in the - used kernel. Use utime(). For this we have to convert to the - data format utime() expects. */ + { + /* The utimes() syscall does not exist or is not available in the + used kernel. Use utime(). For this we have to convert to the + data format utime() expects. */ #ifndef __ASSUME_UTIMES - struct utimbuf buf; - struct utimbuf *times; + struct utimbuf buf; + struct utimbuf *times; - if (tvp != NULL) - { - times = &buf; - buf.actime = tvp[0].tv_sec + (tvp[0].tv_usec + 500000) / 1000000; - buf.modtime = tvp[1].tv_sec + (tvp[1].tv_usec + 500000) / 1000000; - } - else - times = NULL; + if (tvp != NULL) + { + times = &buf; + buf.actime = tvp[0].tv_sec + (tvp[0].tv_usec + 500000) / 1000000; + buf.modtime = tvp[1].tv_sec + (tvp[1].tv_usec + 500000) / 1000000; + } + else + times = NULL; - return INLINE_SYSCALL (utime, 2, cp, times); + result = INLINE_SYSCALL (utime, 2, cp, times); #endif + } + + if (result == -1) + /* Check for errors that result from failing to find /proc. + This means we can't do futimes at all, so return ENOSYS + rather than some confusing error. */ + switch (errno) + { + case EACCES: + if (tvp == NULL) /* Could be a path problem or a file problem. */ + break; + /*FALLTHROUGH*/ + case ELOOP: + case ENAMETOOLONG: + case ENOTDIR: + __set_errno (ENOSYS); + break; + + case ENOENT: + /* Validate the file descriptor by letting fcntl set errno to + EBADF if it's bogus. Otherwise it's a /proc issue. */ + if (INLINE_SYSCALL (fcntl, 3, fd, F_GETFD, 0) != -1) + __set_errno (ENOSYS); + break; + } + + return result; } weak_alias (__futimes, futimes) diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S index acd43dfb0b..c7d31f7a32 100644 --- a/sysdeps/unix/sysv/linux/i386/clone.S +++ b/sysdeps/unix/sysv/linux/i386/clone.S @@ -67,7 +67,7 @@ ENTRY (BP_SYM (__clone)) /* Insert the argument onto the new stack. Make sure the new thread is started with an alignment of (mod 16). */ andl $0xfffffff0, %ecx - subl $24,%ecx + subl $28,%ecx movl ARG(%esp),%eax /* no negative argument counts */ movl %eax,12(%ecx) diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index af75d4c51a..b91af4007c 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -154,9 +154,17 @@ __i686.get_pc_thunk.reg: \ movl SYSCALL_ERROR_ERRNO@GOTNTPOFF(%ecx), %ecx; \ xorl %edx, %edx; \ subl %eax, %edx; \ - movl %edx, %gs:0(%ecx); \ + SYSCALL_ERROR_HANDLER_TLS_STORE (%edx, %ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); +# ifndef NO_TLS_DIRECT_SEG_REFS +# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ + movl src, %gs:(destoff) +# else +# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ + addl %gs:0, destoff; \ + movl src, (destoff) +# endif # else # define SYSCALL_ERROR_HANDLER \ 0:pushl %ebx; \ @@ -532,6 +540,29 @@ asm (".L__X'%ebx = 1\n\t" # define EXTRAVAR_5 #endif +/* Consistency check for position-independent code. */ +#ifdef __PIC__ +# define check_consistency() \ + ({ int __res; \ + __asm__ __volatile__ \ + ("call __i686.get_pc_thunk.cx;" \ + "addl $_GLOBAL_OFFSET_TABLE_, %%ecx;" \ + "subl %%ebx, %%ecx;" \ + "je 1f;" \ + "ud2;" \ + "1:\n" \ + ".section .gnu.linkonce.t.__i686.get_pc_thunk.cx,\"ax\",@progbits;" \ + ".globl __i686.get_pc_thunk.cx;" \ + ".hidden __i686.get_pc_thunk.cx;" \ + ".type __i686.get_pc_thunk.cx,@function;" \ + "__i686.get_pc_thunk.cx:" \ + "movl (%%esp), %%ecx;" \ + "ret;" \ + ".previous" \ + : "=c" (__res)); \ + __res; }) +#endif + #endif /* __ASSEMBLER__ */ #endif /* linux/i386/sysdep.h */ diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index f499a712c4..88850cfeac 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -79,6 +79,11 @@ # define __ASSUME_SIOCGIFNAME 1 #endif +/* MSG_NOSIGNAL was at least available with Linux 2.2.0. */ +#if __LINUX_KERNEL_VERSION >= 131584 +# define __ASSUME_MSG_NOSIGNAL 1 +#endif + /* On x86 another `getrlimit' syscall was added in 2.3.25. */ #if __LINUX_KERNEL_VERSION >= 131865 && defined __i386__ # define __ASSUME_NEW_GETRLIMIT_SYSCALL 1 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S index 6514f442a6..bdb9473429 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S @@ -47,7 +47,7 @@ ENTRY(__novec_setcontext) * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(nv_do_sigret) @@ -104,7 +104,7 @@ ENTRY(__novec_setcontext) ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 + mtcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) @@ -213,7 +213,7 @@ ENTRY(__setcontext) * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(do_sigret) @@ -380,11 +380,11 @@ L(has_no_vec): ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) ld r9,(SIGCONTEXT_GP_REGS+(PT_R9*8))(r31) + mtcr r0 ld r10,(SIGCONTEXT_GP_REGS+(PT_R10*8))(r31) ld r11,(SIGCONTEXT_GP_REGS+(PT_R11*8))(r31) ld r12,(SIGCONTEXT_GP_REGS+(PT_R12*8))(r31) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S index f99df951a2..0a4bac58b5 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S @@ -150,7 +150,7 @@ ENTRY(__novec_swapcontext) * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(nv_do_sigret) @@ -199,7 +199,7 @@ ENTRY(__novec_swapcontext) ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 + mtcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) @@ -521,7 +521,7 @@ L(has_no_vec): * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(do_sigret) @@ -681,11 +681,11 @@ L(has_no_vec2): ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) ld r9,(SIGCONTEXT_GP_REGS+(PT_R9*8))(r31) + mtcr r0 ld r10,(SIGCONTEXT_GP_REGS+(PT_R10*8))(r31) ld r11,(SIGCONTEXT_GP_REGS+(PT_R11*8))(r31) ld r12,(SIGCONTEXT_GP_REGS+(PT_R12*8))(r31) |