diff options
| author | Eric Andersen <andersen@codepoet.org> | 2003-03-03 20:58:42 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2003-03-03 20:58:42 +0000 |
| commit | 67eff66438688fddebe41f77fd252a3b2b135271 (patch) | |
| tree | 18dbee3e9afe50d27095140198e2aa34df1de061 /libc/sysdeps/linux/i386/bits/sigcontextinfo.h | |
| parent | 2229d0fa131387b9b8ad16ac88347350a080aeb5 (diff) | |
Initial effort at adding profiling support.
Diffstat (limited to 'libc/sysdeps/linux/i386/bits/sigcontextinfo.h')
| -rw-r--r-- | libc/sysdeps/linux/i386/bits/sigcontextinfo.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/bits/sigcontextinfo.h b/libc/sysdeps/linux/i386/bits/sigcontextinfo.h new file mode 100644 index 000000000..6530ba6f3 --- /dev/null +++ b/libc/sysdeps/linux/i386/bits/sigcontextinfo.h @@ -0,0 +1,51 @@ +/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + 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. */ + +#define SIGCONTEXT struct sigcontext +#define SIGCONTEXT_EXTRA_ARGS +#define GET_PC(ctx) ((void *) ctx.eip) +#define GET_FRAME(ctx) ((void *) ctx.ebp) +#define GET_STACK(ctx) ((void *) ctx.esp_at_signal) +#define CALL_SIGHANDLER(handler, signo, ctx) \ +do { \ + int __tmp1, __tmp2, __tmp3, __tmp4; \ + __asm __volatile ("movl\t%%esp, %%edi\n\t" \ + "andl\t$-16, %%esp\n\t" \ + "subl\t%8, %%esp\n\t" \ + "movl\t%%edi, %c8-4(%%esp)\n\t" \ + "movl\t%1, 0(%%esp)\n\t" \ + "leal\t4(%%esp), %%edi\n\t" \ + "cld\n\t" \ + "rep\tmovsl\n\t" \ + "call\t*%0\n\t" \ + "cld\n\t" \ + "movl\t%9, %%ecx\n\t" \ + "subl\t%%edi, %%esi\n\t" \ + "leal\t4(%%esp,%%esi,1), %%edi\n\t" \ + "leal\t4(%%esp), %%esi\n\t" \ + "rep\tmovsl\n\t" \ + "movl\t%c8-4(%%esp), %%esp\n\t" \ + : "=a" (__tmp1), "=d" (__tmp2), "=S" (__tmp3), \ + "=c" (__tmp4) \ + : "0" (handler), "1" (signo), "2" (&ctx), \ + "3" (sizeof (struct sigcontext) / 4), \ + "n" ((sizeof (struct sigcontext) + 19) & ~15), \ + "i" (sizeof (struct sigcontext) / 4) \ + : "cc", "edi"); \ +} while (0) |