lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

Update.

Browse Source 
2004-03-17  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/unix/sysv/linux/kernel-features.h
	(__ASSUME_CLONE_THREAD_FLAGS ): Define for newer SH kernel.
	(__ASSUME_TGKILL, __ASSUME_UTIMES): Likewise.
	* sysdeps/unix/sysv/linux/sh/socket.S: Add unwind information.
This commit is contained in:
Ulrich Drepper
2004-03-20 06:16:26 +00:00
parent 3abb1ff7d1
commit 07bd2a3fda
14 changed files with 1025 additions and 320 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
sysdeps/unix/sysv/linux/sh/socket.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
/* Copyright (C) 1999, 2000, 2003, 2004 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
@ -36,37 +36,67 @@
#define __socket P(__,socket)
#endif
#define PUSHARGS_1 mov.l r4,@-r15
#define PUSHARGS_2 mov.l r5,@-r15; PUSHARGS_1
#define PUSHARGS_3 mov.l r6,@-r15; PUSHARGS_2
#define PUSHARGS_4 mov.l r7,@-r15; PUSHARGS_3
#define PUSHARGS_1 mov.l r4,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (r4, 0)
#define PUSHARGS_2 mov.l r5,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (r5, 0); \
PUSHARGS_1
#define PUSHARGS_3 mov.l r6,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (r6, 0); \
PUSHARGS_2
#define PUSHARGS_4 mov.l r7,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (r7, 0); \
PUSHARGS_3
#define PUSHARGS_5 PUSHARGS_4 /* Caller has already pushed arg 5 */
#define PUSHARGS_6 PUSHARGS_4 /* Caller has already pushed arg 5,6 */
#define POPARGS_1 add #4,r15
#define POPARGS_2 add #8,r15
#define POPARGS_3 add #12,r15
#define POPARGS_4 add #16,r15
#define POPARGS_5 add #16,r15
#define POPARGS_6 add #16,r15
#define POPARGS_1 add #4,r15; cfi_adjust_cfa_offset (-4)
#define POPARGS_2 add #8,r15; cfi_adjust_cfa_offset (-8)
#define POPARGS_3 add #12,r15; cfi_adjust_cfa_offset (-12)
#define POPARGS_4 add #16,r15; cfi_adjust_cfa_offset (-16)
#define POPARGS_5 POPARGS_4
#define POPARGS_6 POPARGS_4
#define ADJUSTCFI_1 cfi_adjust_cfa_offset (4); \
cfi_offset (r4, -4)
#define ADJUSTCFI_2 cfi_adjust_cfa_offset (8); \
cfi_offset (r4, -4); \
cfi_offset (r5, -8)
#define ADJUSTCFI_3 cfi_adjust_cfa_offset (12); \
cfi_offset (r4, -4); \
cfi_offset (r5, -8); \
cfi_offset (r6, -12)
#define ADJUSTCFI_4 cfi_adjust_cfa_offset (16); \
cfi_offset (r4, -4); \
cfi_offset (r5, -8); \
cfi_offset (r6, -12); \
cfi_offset (r7, -16)
#define ADJUSTCFI_5 ADJUSTCFI_4
#define ADJUSTCFI_6 ADJUSTCFI_4
#ifndef NARGS
#define NARGS 3 /* If we were called with no wrapper, this is really socket() */
/* If we were called with no wrapper, this is really socket(). */
#define NARGS 3
#endif
.globl __socket
cfi_startproc
ENTRY (__socket)
/* This will not work in the case of a socket call being interrupted
by a signal. If the signal handler uses any stack the arguments
to socket will be trashed. The results of a restart of any
socket call are then unpredictable. */
socket call are then unpredictable. */
/* Push args onto the stack. */
P(PUSHARGS_,NARGS)
#if defined NEED_CANCELLATION && defined CENABLE
SINGLE_THREAD_P
bf .Lsocket_cancel
bf .Lsocket_cancel
#endif
/* Do the system call trap. */
@ -94,9 +124,14 @@ ENTRY (__socket)
#if defined NEED_CANCELLATION && defined CENABLE
.Lsocket_cancel:
/* Enable asynchronous cancellation. */
P(ADJUSTCFI_,NARGS)
sts.l pr,@-r15
cfi_adjust_cfa_offset (4)
cfi_rel_offset (pr, 0)
CENABLE
lds.l @r15+,pr
cfi_adjust_cfa_offset (-4)
cfi_restore (pr)
/* Do the system call trap. */
mov #+P(SOCKOP_,socket), r4
@ -105,10 +140,18 @@ ENTRY (__socket)
trapa #0x12
sts.l pr,@-r15
cfi_adjust_cfa_offset (4)
cfi_rel_offset (pr, 0)
mov.l r0,@-r15
cfi_adjust_cfa_offset (4)
cfi_rel_offset (r0, 0)
CDISABLE
mov.l @r15+,r0
cfi_adjust_cfa_offset (-4)
cfi_restore (r0)
lds.l @r15+,pr
cfi_adjust_cfa_offset (-4)
cfi_restore (pr)
/* Pop args off the stack */
P(POPARGS_,NARGS)
@ -122,6 +165,8 @@ ENTRY (__socket)
bra .Lsyscall_error
nop
#endif
cfi_endproc
.align 2
.L1:
.long SYS_ify(socketcall)