diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/socket.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/socket.S | 73 |
1 files changed, 59 insertions, 14 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/socket.S b/sysdeps/unix/sysv/linux/sh/socket.S index ac732a2f44..f1369eb49b 100644 --- a/sysdeps/unix/sysv/linux/sh/socket.S +++ b/sysdeps/unix/sysv/linux/sh/socket.S @@ -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) |