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authorRoland McGrath <roland@gnu.org>2004-09-01 02:00:03 +0000
committerRoland McGrath <roland@gnu.org>2004-09-01 02:00:03 +0000
commit66cc59de5b0bdd710784ec5a06e841fe15c2c542 (patch)
tree0f8ea1cc5f1d7e2668a3b7e703fbbb764598731c /sysdeps/mach
parentc4bb5cd80492e9563e055eb0b635ee57861e43ea (diff)
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* sysdeps/mach/hurd/i386/init-first.c (_hurd_stack_setup): Let gcc
clobber the `ebp' register. * sysdeps/mach/hurd/i386/Makefile (CFLAGS-init-first.c): Removed. Reverts change from 2004-05-07 by Jeroen Dekkers. * sysdeps/mach/hurd/i386/init-first.c (init): Changed the type of NEWSP from `void *' to `int *'. Changed all casts accordingly.
Diffstat (limited to 'sysdeps/mach')
-rw-r--r--sysdeps/mach/hurd/i386/Makefile4
-rw-r--r--sysdeps/mach/hurd/i386/init-first.c12
2 files changed, 6 insertions, 10 deletions
diff --git a/sysdeps/mach/hurd/i386/Makefile b/sysdeps/mach/hurd/i386/Makefile
index e7d3b44..0eef17e 100644
--- a/sysdeps/mach/hurd/i386/Makefile
+++ b/sysdeps/mach/hurd/i386/Makefile
@@ -2,7 +2,3 @@ ifeq ($(subdir),misc)
sysdep_routines += ioperm
sysdep_headers += sys/io.h
endif
-
-ifeq ($(subdir),csu)
-CFLAGS-init-first.c += -momit-leaf-frame-pointer
-endif
diff --git a/sysdeps/mach/hurd/i386/init-first.c b/sysdeps/mach/hurd/i386/init-first.c
index d6bc2b2..14b6064 100644
--- a/sysdeps/mach/hurd/i386/init-first.c
+++ b/sysdeps/mach/hurd/i386/init-first.c
@@ -1,5 +1,5 @@
/* Initialization code run first thing by the ELF startup code. For i386/Hurd.
- Copyright (C) 1995,96,97,98,99,2000,01,02,03 Free Software Foundation, Inc.
+ Copyright (C) 1995,96,97,98,99,2000,01,02,03,04 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
@@ -186,7 +186,7 @@ init (int *data)
if (_cthread_init_routine)
{
/* Initialize cthreads, which will allocate us a new stack to run on. */
- void *newsp = (*_cthread_init_routine) ();
+ int *newsp = (*_cthread_init_routine) ();
struct hurd_startup_data *od;
void switch_stacks (void);
@@ -204,12 +204,12 @@ init (int *data)
/* And readjust the dynamic linker's idea of where the argument
vector lives. */
assert (_dl_argv == argv);
- _dl_argv = (void *) ((int *) newsp + 1);
+ _dl_argv = (void *) (newsp + 1);
#endif
/* Set up the Hurd startup data block immediately following
the argument and environment pointers on the new stack. */
- od = (newsp + ((char *) d - (char *) data));
+ od = ((void *) newsp + ((char *) d - (char *) data));
if ((void *) argv[0] == d)
/* We were started up by the kernel with arguments on the stack.
There is no Hurd startup data, so zero the block. */
@@ -221,7 +221,7 @@ init (int *data)
/* Push the user code address on the top of the new stack. It will
be the return address for `init1'; we will jump there with NEWSP
as the stack pointer. */
- *--(int *) newsp = data[-1];
+ *--newsp = data[-1];
((void **) data)[-1] = switch_stacks;
/* Force NEWSP into %ecx and &init1 into %eax, which are not restored
by function return. */
@@ -347,7 +347,7 @@ _hurd_stack_setup (volatile int argc, ...)
*--data = (&argc)[-1];
asm volatile ("movl %0, %%esp\n" /* Switch to new outermost stack. */
"movl $0, %%ebp\n" /* Clear outermost frame pointer. */
- "jmp *%1" : : "r" (data), "r" (&doinit1) : "sp", "bp");
+ "jmp *%1" : : "r" (data), "r" (&doinit1) : "sp");
/* NOTREACHED */
}