summaryrefslogtreecommitdiff
path: root/sysdeps/mach/hurd/i386
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/mach/hurd/i386
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
2.5-18.1
Diffstat (limited to 'sysdeps/mach/hurd/i386')
-rw-r--r--sysdeps/mach/hurd/i386/Dist3
-rw-r--r--sysdeps/mach/hurd/i386/init-first.c25
-rw-r--r--sysdeps/mach/hurd/i386/longjmp-ts.c3
-rw-r--r--sysdeps/mach/hurd/i386/tls.h4
-rw-r--r--sysdeps/mach/hurd/i386/trampoline.c7
5 files changed, 22 insertions, 20 deletions
diff --git a/sysdeps/mach/hurd/i386/Dist b/sysdeps/mach/hurd/i386/Dist
deleted file mode 100644
index 82c44df00b..0000000000
--- a/sysdeps/mach/hurd/i386/Dist
+++ /dev/null
@@ -1,3 +0,0 @@
-static-start.S
-sys/io.h
-ioperm.c
diff --git a/sysdeps/mach/hurd/i386/init-first.c b/sysdeps/mach/hurd/i386/init-first.c
index caa232026d..f9a7a58deb 100644
--- a/sysdeps/mach/hurd/i386/init-first.c
+++ b/sysdeps/mach/hurd/i386/init-first.c
@@ -1,5 +1,6 @@
/* Initialization code run first thing by the ELF startup code. For i386/Hurd.
- Copyright (C) 1995,96,97,98,99,2000,01,02,03,04 Free Software Foundation, Inc.
+ Copyright (C) 1995,96,97,98,99,2000,01,02,03,04,05
+ 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
@@ -54,7 +55,7 @@ extern int __libc_argc attribute_hidden;
extern char **__libc_argv attribute_hidden;
extern char **_dl_argv;
-void *(*_cthread_init_routine) (void); /* Returns new SP to use. */
+extern void *(*_cthread_init_routine) (void) __attribute__ ((weak));
void (*_cthread_exit_routine) (int status) __attribute__ ((__noreturn__));
/* Things that want to be run before _hurd_init or much anything else.
@@ -203,7 +204,7 @@ init (int *data)
code as the return address, and the argument data immediately above
that on the stack. */
- if (_cthread_init_routine)
+ if (&_cthread_init_routine && _cthread_init_routine)
{
/* Initialize cthreads, which will allocate us a new stack to run on. */
int *newsp = (*_cthread_init_routine) ();
@@ -271,7 +272,7 @@ init (int *data)
/* The argument data is just above the stack frame we will unwind by
returning. Mutate our own return address to run the code below. */
usercode = data[-1];
- ((void **) data)[-1] = call_init1;
+ data[-1] = (int) &call_init1;
/* Force USERCODE into %eax and &init1 into %ecx, which are not
restored by function return. */
asm volatile ("# a %0 c %1" : : "a" (usercode), "c" (&init1));
@@ -319,11 +320,11 @@ first_init (void)
stack set up just as the user will see it, so it can switch stacks. */
void
-_dl_init_first (int argc, ...)
+_dl_init_first (void)
{
first_init ();
- init (&argc);
+ init ((int *) __builtin_frame_address (0) + 2);
}
#endif
@@ -350,21 +351,23 @@ strong_alias (posixland_init, __libc_init_first);
This poorly-named function is called by static-start.S,
which should not exist at all. */
void
-_hurd_stack_setup (volatile int argc, ...)
+_hurd_stack_setup (void)
{
+ intptr_t caller = (intptr_t) __builtin_return_address (0);
+
void doinit (intptr_t *data)
{
/* This function gets called with the argument data at TOS. */
- void doinit1 (volatile int argc, ...)
+ void doinit1 (void)
{
- init ((int *) &argc);
+ init ((int *) __builtin_frame_address (0) + 2);
}
/* Push the user return address after the argument data, and then
jump to `doinit1' (above), so it is as if __libc_init_first's
caller had called `doinit1' with the argument data already on the
stack. */
- *--data = (&argc)[-1];
+ *--data = caller;
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");
@@ -373,7 +376,7 @@ _hurd_stack_setup (volatile int argc, ...)
first_init ();
- _hurd_startup ((void **) &argc, &doinit);
+ _hurd_startup ((void **) __builtin_frame_address (0) + 2, &doinit);
}
#endif
diff --git a/sysdeps/mach/hurd/i386/longjmp-ts.c b/sysdeps/mach/hurd/i386/longjmp-ts.c
index 586ce6b015..c902002cbc 100644
--- a/sysdeps/mach/hurd/i386/longjmp-ts.c
+++ b/sysdeps/mach/hurd/i386/longjmp-ts.c
@@ -1,5 +1,5 @@
/* Perform a `longjmp' on a Mach thread_state. i386 version.
- Copyright (C) 1991, 1994, 1995, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1994, 1995, 1997, 2006 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
@@ -19,6 +19,7 @@
#include <hurd/signal.h>
#include <setjmp.h>
+#include <jmpbuf-offsets.h>
#include <mach/thread_status.h>
diff --git a/sysdeps/mach/hurd/i386/tls.h b/sysdeps/mach/hurd/i386/tls.h
index ff849716e0..223a47d2f2 100644
--- a/sysdeps/mach/hurd/i386/tls.h
+++ b/sysdeps/mach/hurd/i386/tls.h
@@ -98,7 +98,7 @@ _hurd_tls_init (tcbhead_t *tcb, int secondcall)
{
/* Fetch the selector set by the first call. */
int sel;
- asm ("mov %%gs, %w0" : "=q" (sel));
+ asm ("mov %%gs, %w0" : "=q" (sel) : "0" (0));
if (__builtin_expect (sel, 0x50) & 4) /* LDT selector */
{
error_t err = __i386_set_ldt (tcb->self, sel, &desc, 1);
@@ -151,7 +151,7 @@ _hurd_tls_fork (thread_t child, struct i386_thread_state *state)
{
/* Fetch the selector set by _hurd_tls_init. */
int sel;
- asm ("mov %%gs, %w0" : "=q" (sel));
+ asm ("mov %%gs, %w0" : "=q" (sel) : "0" (0));
if (sel == state->ds) /* _hurd_tls_init was never called. */
return 0;
diff --git a/sysdeps/mach/hurd/i386/trampoline.c b/sysdeps/mach/hurd/i386/trampoline.c
index 781a0441dc..dddc6f3ef6 100644
--- a/sysdeps/mach/hurd/i386/trampoline.c
+++ b/sysdeps/mach/hurd/i386/trampoline.c
@@ -1,5 +1,6 @@
/* Set thread_state for sighandler, and sigcontext to recover. i386 version.
- Copyright (C) 1994, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
+ Copyright (C) 1994,1995,1996,1997,1998,1999,2005
+ 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
@@ -19,11 +20,11 @@
#include <hurd/signal.h>
#include <hurd/userlink.h>
-#include "thread_state.h"
+#include <thread_state.h>
#include <assert.h>
#include <errno.h>
#include "hurdfault.h"
-#include "intr-msg.h"
+#include <intr-msg.h>
struct sigcontext *