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authorRoland McGrath <roland@gnu.org>1995-05-02 06:35:55 +0000
committerRoland McGrath <roland@gnu.org>1995-05-02 06:35:55 +0000
commitd66e34cd423425c348bcc83df127dd19711b0b9a (patch)
tree97058e776d3b4fe06ef54bc4951596991652183f /sysdeps/mach
parent08162fa888913a5153d2fcdc4e1a816b57b1fe56 (diff)
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* sysdeps/mach/i386/sysdep.h (SNARF_ARGS, CALL_WITH_SP): Rewritten.
* sysdeps/i386/dl-machine.h: New file. * sysdeps/stub/dl-machine.h: New file. * sysdeps/i386/dl-runtime.c: New file. * sysdeps/stub/dl-runtime.c: New file. * sysdeps/i386/elf/start.S: New file. * sysdeps/generic/dl-sysdep.c: New file. * sysdeps/mach/hurd/dl-sysdep.c: New file.
Diffstat (limited to 'sysdeps/mach')
-rw-r--r--sysdeps/mach/i386/sysdep.h22
1 files changed, 12 insertions, 10 deletions
diff --git a/sysdeps/mach/i386/sysdep.h b/sysdeps/mach/i386/sysdep.h
index 8d482a0485..692310b320 100644
--- a/sysdeps/mach/i386/sysdep.h
+++ b/sysdeps/mach/i386/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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
@@ -20,15 +20,11 @@ Cambridge, MA 02139, USA. */
#define LOSE asm volatile ("hlt")
-#define SNARF_ARGS(argc, argv, envp) \
+#define SNARF_ARGS(entry_sp, argc, argv, envp) \
do \
{ \
- int *entry_sp; \
register char **p; \
- \
- asm ("leal 4(%%ebp), %0" : "=r" (entry_sp)); \
- \
- argc = *entry_sp; \
+ argc = (int) *entry_sp; \
argv = (char **) (entry_sp + 1); \
p = argv; \
while (*p++ != NULL) \
@@ -38,9 +34,15 @@ Cambridge, MA 02139, USA. */
envp = p; \
} while (0)
-#define CALL_WITH_SP(fn, sp) \
- asm volatile ("movl %0, %%esp; jmp %1" : : \
- "g" (sp), "m" (*(long int *) (fn)) : "%esp")
+#define CALL_WITH_SP(fn, info, sp) \
+ do { \
+ void **ptr = (void **) sp; \
+ *--(__typeof (info) *) ptr = info; \
+ ptr[-1] = ptr; \
+ --ptr; \
+ asm volatile ("movl %0, %%esp; call %1" : : \
+ "g" (ptr), "m" (*(long int *) (fn)) : "%esp"); \
+ } while (0)
#define STACK_GROWTH_DOWN