From 67eff66438688fddebe41f77fd252a3b2b135271 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Mon, 3 Mar 2003 20:58:42 +0000 Subject: Initial effort at adding profiling support. --- libc/sysdeps/linux/arm/bits/sigcontextinfo.h | 35 ++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 libc/sysdeps/linux/arm/bits/sigcontextinfo.h (limited to 'libc/sysdeps/linux/arm/bits/sigcontextinfo.h') diff --git a/libc/sysdeps/linux/arm/bits/sigcontextinfo.h b/libc/sysdeps/linux/arm/bits/sigcontextinfo.h new file mode 100644 index 000000000..aebc3cfd5 --- /dev/null +++ b/libc/sysdeps/linux/arm/bits/sigcontextinfo.h @@ -0,0 +1,35 @@ +/* Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell , 1999. + + 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 + +#define SIGCONTEXT int _a2, int _a3, int _a4, union k_sigcontext +#define SIGCONTEXT_EXTRA_ARGS _a2, _a3, _a4, + +#define GET_PC(ctx) ((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \ + ctx.v20.reg.ARM_pc : ctx.v21.arm_pc)) +#define GET_FRAME(ctx) \ + ADVANCE_STACK_FRAME((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \ + ctx.v20.reg.ARM_fp : ctx.v21.arm_fp)) +#define GET_STACK(ctx) ((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \ + ctx.v20.reg.ARM_sp : ctx.v21.arm_sp)) +#define ADVANCE_STACK_FRAME(frm) \ + ((struct layout *)frm - 1) +#define CALL_SIGHANDLER(handler, signo, ctx) \ + (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx)) -- cgit v1.2.3