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This commit is contained in:
Jakub Jelinek
2007-07-31 13:33:18 +00:00
parent d6220e9ee3
commit 32c075e1f0
448 changed files with 13841 additions and 10982 deletions
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3
sysdeps/unix/sysv/linux/Versions
View File

@ -126,9 +126,6 @@ libc {
GLIBC_2.5 {
splice; sync_file_range; tee; vmsplice;
}
GLIBC_2.6 {
epoll_pwait;
}
GLIBC_PRIVATE {
# functions used in other libraries
__syscall_rt_sigqueueinfo;

6
sysdeps/unix/sysv/linux/bits/statvfs.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997,1998,2000,2001,2002,2006 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 2000, 2001, 2002 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
@ -101,9 +101,7 @@ enum
# define ST_IMMUTABLE ST_IMMUTABLE
ST_NOATIME = 1024, /* Do not update access times. */
# define ST_NOATIME ST_NOATIME
ST_NODIRATIME = 2048, /* Do not update directory access times. */
ST_NODIRATIME = 2048 /* Do not update directory access times. */
# define ST_NODIRATIME ST_NODIRATIME
ST_RELATIME = 4096 /* Update atime relative to mtime/ctime. */
# define ST_RELATIME ST_RELATIME
#endif /* Use GNU. */
};

42
sysdeps/unix/sysv/linux/check_pf.c
View File

@ -1,5 +1,5 @@
/* Determine protocol families for which interfaces exist. Linux version.
Copyright (C) 2003, 2006 Free Software Foundation, Inc.
Copyright (C) 2003, 2006, 2007 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
@ -71,17 +71,38 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
memset (&nladdr, '\0', sizeof (nladdr));
nladdr.nl_family = AF_NETLINK;
#ifdef PAGE_SIZE
/* Help the compiler optimize out the malloc call if PAGE_SIZE
is constant and smaller or equal to PTHREAD_STACK_MIN/4. */
const size_t buf_size = PAGE_SIZE;
#else
const size_t buf_size = __getpagesize ();
#endif
bool use_malloc = false;
char *buf;
if (__libc_use_alloca (buf_size))
buf = alloca (buf_size);
else
{
buf = malloc (buf_size);
if (buf != NULL)
use_malloc = true;
else
goto out_fail;
}
struct iovec iov = { buf, buf_size };
if (TEMP_FAILURE_RETRY (__sendto (fd, (void *) &req, sizeof (req), 0,
(struct sockaddr *) &nladdr,
sizeof (nladdr))) < 0)
return -1;
goto out_fail;
*seen_ipv4 = false;
*seen_ipv6 = false;
bool done = false;
char buf[4096];
struct iovec iov = { buf, sizeof (buf) };
struct in6ailist
{
struct in6addrinfo info;
@ -101,10 +122,10 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
ssize_t read_len = TEMP_FAILURE_RETRY (__recvmsg (fd, &msg, 0));
if (read_len < 0)
return -1;
goto out_fail;
if (msg.msg_flags & MSG_TRUNC)
return -1;
goto out_fail;
struct nlmsghdr *nlmh;
for (nlmh = (struct nlmsghdr *) buf;
@ -186,7 +207,7 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
{
*in6ai = malloc (in6ailistlen * sizeof (**in6ai));
if (*in6ai == NULL)
return -1;
goto out_fail;
*in6ailen = in6ailistlen;
@ -198,7 +219,14 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
while (in6ailist != NULL);
}
if (use_malloc)
free (buf);
return 0;
out_fail:
if (use_malloc)
free (buf);
return -1;
}

4
sysdeps/unix/sysv/linux/i386/clone.S
View File

@ -120,9 +120,6 @@ L(pseudo_end):
ret
L(thread_start):
cfi_startproc;
/* Clearing frame pointer is insufficient, use CFI. */
cfi_undefined (eip);
/* Note: %esi is zero. */
movl %esi,%ebp /* terminate the stack frame */
#ifdef RESET_PID
@ -155,7 +152,6 @@ L(nomoregetpid):
jmp L(haspid)
.previous
#endif
cfi_endproc;
cfi_startproc
PSEUDO_END (BP_SYM (__clone))

5
sysdeps/unix/sysv/linux/i386/getgroups.c
View File

@ -52,6 +52,8 @@ __getgroups (int n, gid_t *groups)
}
else
{
int i, ngids;
__kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
# ifdef __NR_getgroups32
if (__libc_missing_32bit_uids <= 0)
{
@ -67,9 +69,6 @@ __getgroups (int n, gid_t *groups)
}
# endif /* __NR_getgroups32 */
int i, ngids;
__kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
ngids = INLINE_SYSCALL (getgroups, 2, n, CHECK_N (kernel_groups, n));
if (n != 0 && ngids > 0)
for (i = 0; i < ngids; i++)

14
sysdeps/unix/sysv/linux/i386/sigaction.c
View File

@ -1,5 +1,5 @@
/* POSIX.1 `sigaction' call for Linux/i386.
Copyright (C) 1991,1995-2000,2002-2005,2006 Free Software Foundation, Inc.
Copyright (C) 1991,1995-2000,2002-2004,2005 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
@ -46,10 +46,18 @@ int __libc_missing_rt_sigs;
/* Using the hidden attribute here does not change the code but it
helps to avoid warnings. */
#ifdef __NR_rt_sigaction
#if defined HAVE_HIDDEN && defined HAVE_VISIBILITY_ATTRIBUTE \
&& !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
# ifdef __NR_rt_sigaction
extern void restore_rt (void) asm ("__restore_rt") attribute_hidden;
#endif
# endif
extern void restore (void) asm ("__restore") attribute_hidden;
#else
# ifdef __NR_rt_sigaction
static void restore_rt (void) asm ("__restore_rt");
# endif
static void restore (void) asm ("__restore");
#endif
/* If ACT is not NULL, change the action for SIG to *ACT.

75
sysdeps/unix/sysv/linux/ifaddrs.c
View File

@ -1,5 +1,5 @@
/* getifaddrs -- get names and addresses of all network interfaces
Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
Copyright (C) 2003, 2004, 2005, 2006, 2007 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
@ -122,36 +122,36 @@ int
__netlink_request (struct netlink_handle *h, int type)
{
struct netlink_res *nlm_next;
struct netlink_res **new_nlm_list;
static volatile size_t buf_size = 4096;
char *buf;
struct sockaddr_nl nladdr;
struct nlmsghdr *nlmh;
ssize_t read_len;
bool done = false;
#ifdef PAGE_SIZE
/* Help the compiler optimize out the malloc call if PAGE_SIZE
is constant and smaller or equal to PTHREAD_STACK_MIN/4. */
const size_t buf_size = PAGE_SIZE;
#else
const size_t buf_size = __getpagesize ();
#endif
bool use_malloc = false;
char *buf;
if (__netlink_sendreq (h, type) < 0)
return -1;
size_t this_buf_size = buf_size;
if (__libc_use_alloca (this_buf_size))
buf = alloca (this_buf_size);
if (__libc_use_alloca (buf_size))
buf = alloca (buf_size);
else
{
buf = malloc (this_buf_size);
buf = malloc (buf_size);
if (buf != NULL)
use_malloc = true;
else
goto out_fail;
}
struct iovec iov = { buf, this_buf_size };
struct iovec iov = { buf, buf_size };
if (h->nlm_list != NULL)
new_nlm_list = &h->end_ptr->next;
else
new_nlm_list = &h->nlm_list;
if (__netlink_sendreq (h, type) < 0)
goto out_fail;
while (! done)
{
@ -171,48 +171,7 @@ __netlink_request (struct netlink_handle *h, int type)
continue;
if (__builtin_expect (msg.msg_flags & MSG_TRUNC, 0))
{
if (this_buf_size >= SIZE_MAX / 2)
goto out_fail;
nlm_next = *new_nlm_list;
while (nlm_next != NULL)
{
struct netlink_res *tmpptr;
tmpptr = nlm_next->next;
free (nlm_next);
nlm_next = tmpptr;
}
*new_nlm_list = NULL;
if (__libc_use_alloca (2 * this_buf_size))
buf = extend_alloca (buf, this_buf_size, 2 * this_buf_size);
else
{
this_buf_size *= 2;
char *new_buf = realloc (use_malloc ? buf : NULL, this_buf_size);
if (new_buf == NULL)
goto out_fail;
new_buf = buf;
use_malloc = true;
}
buf_size = this_buf_size;
iov.iov_base = buf;
iov.iov_len = this_buf_size;
/* Increase sequence number, so that we can distinguish
between old and new request messages. */
h->seq++;
if (__netlink_sendreq (h, type) < 0)
goto out_fail;
continue;
}
goto out_fail;
size_t count = 0;
size_t remaining_len = read_len;

4
sysdeps/unix/sysv/linux/internal_statvfs.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1998-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
/* Copyright (C) 1998-2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@ -156,8 +156,6 @@ __statvfs_getflags (const char *name, int fstype, struct stat64 *st)
result |= ST_NOATIME;
else if (strcmp (opt, "nodiratime") == 0)
result |= ST_NODIRATIME;
else if (strcmp (opt, "relatime") == 0)
result |= ST_RELATIME;
/* We can stop looking for more entries. */
success = true;

38
sysdeps/unix/sysv/linux/posix_madvise.c Normal file
View File

@ -0,0 +1,38 @@
/* Copyright (C) 2007 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#include <sys/mman.h>
int
posix_madvise (void *addr, size_t len, int advice)
{
/* We have one problem: the kernel's MADV_DONTNEED does not
correspond to POSIX's POSIX_MADV_DONTNEED. The former simply
discards changes made to the memory without writing it back to
disk, if this would be necessary. The POSIX behavior does not
allow this. There is no functionality mapping the POSIX behavior
so far so we ignore that advice for now. */
if (advice == POSIX_MADV_DONTNEED)
return 0;
INTERNAL_SYSCALL_DECL (err);
int result = INTERNAL_SYSCALL (madvise, err, 3, addr, len, advice);
return INTERNAL_SYSCALL_ERRNO (result, err);
}

101
sysdeps/unix/sysv/linux/sh/bits/shm.h
View File

@ -1,101 +0,0 @@
/* Copyright (C) 1995,1996,1997,2000,2002,2004,2006 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SYS_SHM_H
# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
#endif
#include <bits/types.h>
/* Permission flag for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
#define SHM_RND 020000 /* round attach address to SHMLBA */
#define SHM_REMAP 040000 /* take-over region on attach */
/* Commands for `shmctl'. */
#define SHM_LOCK 11 /* lock segment (root only) */
#define SHM_UNLOCK 12 /* unlock segment (root only) */
__BEGIN_DECLS
/* Segment low boundary address multiple. */
#define SHMLBA 0x4000
/* Type to count number of attaches. */
typedef unsigned long int shmatt_t;
/* Data structure describing a set of semaphores. */
struct shmid_ds
{
struct ipc_perm shm_perm; /* operation permission struct */
size_t shm_segsz; /* size of segment in bytes */
__time_t shm_atime; /* time of last shmat() */
unsigned long int __unused1;
__time_t shm_dtime; /* time of last shmdt() */
unsigned long int __unused2;
__time_t shm_ctime; /* time of last change by shmctl() */
unsigned long int __unused3;
__pid_t shm_cpid; /* pid of creator */
__pid_t shm_lpid; /* pid of last shmop */
shmatt_t shm_nattch; /* number of current attaches */
unsigned long int __unused4;
unsigned long int __unused5;
};
#ifdef __USE_MISC
/* ipcs ctl commands */
# define SHM_STAT 13
# define SHM_INFO 14
/* shm_mode upper byte flags */
# define SHM_DEST 01000 /* segment will be destroyed on last detach */
# define SHM_LOCKED 02000 /* segment will not be swapped */
# define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */
# define SHM_NORESERVE 010000 /* don't check for reservations */
struct shminfo
{
unsigned long int shmmax;
unsigned long int shmmin;
unsigned long int shmmni;
unsigned long int shmseg;
unsigned long int shmall;
unsigned long int __unused1;
unsigned long int __unused2;
unsigned long int __unused3;
unsigned long int __unused4;
};
struct shm_info
{
int used_ids;
unsigned long int shm_tot; /* total allocated shm */
unsigned long int shm_rss; /* total resident shm */
unsigned long int shm_swp; /* total swapped shm */
unsigned long int swap_attempts;
unsigned long int swap_successes;
};
#endif /* __USE_MISC */
__END_DECLS

48
sysdeps/unix/sysv/linux/sh/sys/io.h Normal file
View File

@ -0,0 +1,48 @@
/* Copyright (C) 1996, 1998, 1999, 2000 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SYS_IO_H
#define _SYS_IO_H 1
#include <features.h>
__BEGIN_DECLS
/* If TURN_ON is TRUE, request for permission to do direct i/o on the
port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
permission off for that range. This call requires root privileges. */
extern int ioperm (unsigned long int __from, unsigned long int __num,
int __turn_on) __THROW;
/* Set the I/O privilege level to LEVEL. If LEVEL is nonzero,
permission to access any I/O port is granted. This call requires
root privileges. */
extern int iopl (int __level) __THROW;
/* The functions that actually perform reads and writes. */
extern unsigned char inb (unsigned long int port) __THROW;
extern unsigned short int inw (unsigned long int port) __THROW;
extern unsigned long int inl (unsigned long int port) __THROW;
extern void outb (unsigned char value, unsigned long int port) __THROW;
extern void outw (unsigned short value, unsigned long int port) __THROW;
extern void outl (unsigned long value, unsigned long int port) __THROW;
__END_DECLS
#endif /* _SYS_IO_H */

20
sysdeps/unix/sysv/linux/sys/epoll.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004, 2005 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
@ -22,14 +22,6 @@
#include <stdint.h>
#include <sys/types.h>
/* Get __sigset_t. */
#include <bits/sigset.h>
#ifndef __sigset_t_defined
# define __sigset_t_defined
typedef __sigset_t sigset_t;
#endif
enum EPOLL_EVENTS
{
@ -113,16 +105,6 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
extern int epoll_wait (int __epfd, struct epoll_event *__events,
int __maxevents, int __timeout);
/* Same as epoll_wait, but the thread's signal mask is temporarily
and atomically replaced with the one provided as parameter.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int epoll_pwait (int __epfd, struct epoll_event *__events,
int __maxevents, int __timeout,
__const __sigset_t *__ss);
__END_DECLS
#endif /* sys/epoll.h */

4
sysdeps/unix/sysv/linux/syscalls.list
View File

@ -10,8 +10,7 @@ delete_module EXTRA delete_module 3 delete_module
epoll_create EXTRA epoll_create i:i epoll_create
epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
epoll_wait EXTRA epoll_wait Ci:ipii epoll_wait
epoll_pwait EXTRA epoll_pwait Ci:ipiipi epoll_pwait
fdatasync - fdatasync i:i fdatasync
fdatasync - fdatasync Ci:i fdatasync
flock - flock i:ii __flock flock
fork - fork i: __libc_fork __fork fork
get_kernel_syms EXTRA get_kernel_syms i:p get_kernel_syms
@ -32,7 +31,6 @@ ioperm - ioperm i:iii ioperm
iopl - iopl i:i iopl
klogctl EXTRA syslog i:isi klogctl
lchown - lchown i:sii __lchown lchown
posix_madvise - madvise Vi:pii posix_madvise
madvise - madvise i:pii madvise
mincore - mincore i:anV mincore
mlock - mlock i:bn mlock

2
sysdeps/unix/sysv/linux/x86_64/Makefile
View File

@ -10,6 +10,6 @@ ifeq ($(subdir),stdlib)
sysdep_routines += __start_context
endif
ifeq ($(subdir),csu)
ifeq ($(subdir),stdlib)
gen-as-const-headers += ucontext_i.sym
endif

4
sysdeps/unix/sysv/linux/x86_64/clone.S
View File

@ -89,9 +89,6 @@ L(pseudo_end):
ret
L(thread_start):
cfi_startproc;
/* Clearing frame pointer is insufficient, use CFI. */
cfi_undefined (rip);
/* Clear the frame pointer. The ABI suggests this be done, to mark
the outermost frame obviously. */
xorl %ebp, %ebp
@ -116,7 +113,6 @@ L(thread_start):
/* Call exit with return value from function call. */
movq %rax, %rdi
call HIDDEN_JUMPTARGET (_exit)
cfi_endproc;
cfi_startproc;
PSEUDO_END (BP_SYM (__clone))

104
sysdeps/unix/sysv/linux/x86_64/sigaction.c
View File

@ -1,5 +1,5 @@
/* POSIX.1 `sigaction' call for Linux/x86-64.
Copyright (C) 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
Copyright (C) 2001, 2002, 2003, 2005 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
@ -33,14 +33,17 @@
translate it here. */
#include <kernel_sigaction.h>
#include "ucontext_i.h"
/* We do not globally define the SA_RESTORER flag so do it here. */
#define SA_RESTORER 0x04000000
/* Using the hidden attribute here does not change the code but it
helps to avoid warnings. */
#if defined HAVE_HIDDEN && defined HAVE_VISIBILITY_ATTRIBUTE \
&& !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
extern void restore_rt (void) asm ("__restore_rt") attribute_hidden;
#else
static void restore_rt (void) asm ("__restore_rt");
#endif
/* If ACT is not NULL, change the action for SIG to *ACT.
@ -92,95 +95,18 @@ weak_alias (__libc_sigaction, sigaction)
signal handlers work right. Important are both the names
(__restore_rt) and the exact instruction sequence.
If you ever feel the need to make any changes, please notify the
appropriate GDB maintainer.
The unwind information starts a byte before __restore_rt, so that
it is found when unwinding, to get an address the unwinder assumes
will be in the middle of a call instruction. See the Linux kernel
(the i386 vsyscall, in particular) for an explanation of the complex
unwind information used here in order to get the traditional CFA.
We do not restore cs - it's only stored as two bytes here so that's
a bit tricky. We don't use the gas cfi directives, so that we can
reliably add .cfi_signal_frame. */
#define do_cfa_expr \
" .byte 0x0f\n" /* DW_CFA_def_cfa_expression */ \
" .uleb128 2f-1f\n" /* length */ \
"1: .byte 0x77\n" /* DW_OP_breg7 */ \
" .sleb128 " CFI_STRINGIFY (oRSP) "\n" \
" .byte 0x06\n" /* DW_OP_deref */ \
"2:"
#define do_expr(regno, offset) \
" .byte 0x10\n" /* DW_CFA_expression */ \
" .uleb128 " CFI_STRINGIFY (regno) "\n" \
" .uleb128 2f-1f\n" /* length */ \
"1: .byte 0x77\n" /* DW_OP_breg7 */ \
" .sleb128 " CFI_STRINGIFY (offset) "\n" \
"2:"
appropriate GDB maintainer. */
#define RESTORE(name, syscall) RESTORE2 (name, syscall)
# define RESTORE2(name, syscall) \
asm \
( \
/* `nop' for debuggers assuming `call' should not disalign the code. */ \
" nop\n" \
".align 16\n" \
".LSTART_" #name ":\n" \
" .type __" #name ",@function\n" \
"__" #name ":\n" \
" movq $" #syscall ", %rax\n" \
" syscall\n" \
".LEND_" #name ":\n" \
".section .eh_frame,\"a\",@progbits\n" \
".LSTARTFRAME_" #name ":\n" \
" .long .LENDCIE_" #name "-.LSTARTCIE_" #name "\n" \
".LSTARTCIE_" #name ":\n" \
" .long 0\n" /* CIE ID */ \
" .byte 1\n" /* Version number */ \
" .string \"zRS\"\n" /* NUL-terminated augmentation string */ \
" .uleb128 1\n" /* Code alignment factor */ \
" .sleb128 -8\n" /* Data alignment factor */ \
" .uleb128 16\n" /* Return address register column (rip) */ \
/* Augmentation value length */ \
" .uleb128 .LENDAUGMNT_" #name "-.LSTARTAUGMNT_" #name "\n" \
".LSTARTAUGMNT_" #name ":\n" \
" .byte 0x1b\n" /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */ \
".LENDAUGMNT_" #name ":\n" \
" .align 8\n" \
".LENDCIE_" #name ":\n" \
" .long .LENDFDE_" #name "-.LSTARTFDE_" #name "\n" /* FDE len */ \
".LSTARTFDE_" #name ":\n" \
" .long .LSTARTFDE_" #name "-.LSTARTFRAME_" #name "\n" /* CIE */ \
/* `LSTART_' is subtracted 1 as debuggers assume a `call' here. */ \
" .long (.LSTART_" #name "-1)-.\n" /* PC-relative start addr. */ \
" .long .LEND_" #name "-(.LSTART_" #name "-1)\n" \
" .uleb128 0\n" /* FDE augmentation length */ \
do_cfa_expr \
do_expr (8 /* r8 */, oR8) \
do_expr (9 /* r9 */, oR9) \
do_expr (10 /* r10 */, oR10) \
do_expr (11 /* r11 */, oR11) \
do_expr (12 /* r12 */, oR12) \
do_expr (13 /* r13 */, oR13) \
do_expr (14 /* r14 */, oR14) \
do_expr (15 /* r15 */, oR15) \
do_expr (5 /* rdi */, oRDI) \
do_expr (4 /* rsi */, oRSI) \
do_expr (6 /* rbp */, oRBP) \
do_expr (3 /* rbx */, oRBX) \
do_expr (1 /* rdx */, oRDX) \
do_expr (0 /* rax */, oRAX) \
do_expr (2 /* rcx */, oRCX) \
do_expr (7 /* rsp */, oRSP) \
do_expr (16 /* rip */, oRIP) \
/* libgcc-4.1.1 has only `DWARF_FRAME_REGISTERS == 17'. */ \
/* do_expr (49 |* rflags *|, oEFL) */ \
/* `cs'/`ds'/`fs' are unaligned and a different size. */ \
/* gas: Error: register save offset not a multiple of 8 */ \
" .align 8\n" \
".LENDFDE_" #name ":\n" \
" .previous\n" \
asm \
( \
".align 16\n" \
CFI_STARTPROC "\n" \
"__" #name ":\n" \
" movq $" #syscall ", %rax\n" \
" syscall\n" \
CFI_ENDPROC "\n" \
);
/* The return code for realtime-signals. */
RESTORE (restore_rt, __NR_rt_sigreturn)

3
sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
View File

@ -18,8 +18,6 @@ oRSP mreg (RSP)
oRBX mreg (RBX)
oR8 mreg (R8)
oR9 mreg (R9)
oR10 mreg (R10)
oR11 mreg (R11)
oR12 mreg (R12)
oR13 mreg (R13)
oR14 mreg (R14)
@ -30,7 +28,6 @@ oRDX mreg (RDX)
oRAX mreg (RAX)
oRCX mreg (RCX)
oRIP mreg (RIP)
oEFL mreg (EFL)
oFPREGS mcontext (fpregs)
oSIGMASK ucontext (uc_sigmask)
oFPREGSMEM ucontext (__fpregs_mem)