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newlib-cygwin
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Cygwin: drop 32 bit considerations in crt0 code 

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2022-05-16 17:24:48 +02:00
parent 1a367220ad
commit 866ae2c254
2 changed files with 0 additions and 21 deletions
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8
winsup/cygwin/crt0.c
View File

@ -4,11 +4,6 @@ This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */ details. */
/* In the following ifdef'd i386 code, the FPU precision is set to 80 bits
and all FPU exceptions are masked. The former is needed to make long
doubles work correctly. The latter causes the FPU to generate NaNs and
Infinities instead of signals for certain operations. */
#include "winlean.h" #include "winlean.h"
#include <sys/cygwin.h> #include <sys/cygwin.h>
@ -16,9 +11,6 @@ extern int main (int argc, char **argv);
void cygwin_crt0 (int (*main) (int, char **)); void cygwin_crt0 (int (*main) (int, char **));
#ifdef __i386__
__attribute__ ((force_align_arg_pointer))
#endif
void void
mainCRTStartup () mainCRTStartup ()
{ {

13
winsup/cygwin/lib/_cygwin_crt0_common.cc
View File

@ -61,9 +61,6 @@ extern int __dynamically_loaded;
extern "C" extern "C"
{ {
#ifdef __i386__
char **environ;
#endif
int _fmode; int _fmode;
extern char __RUNTIME_PSEUDO_RELOC_LIST__; extern char __RUNTIME_PSEUDO_RELOC_LIST__;
@ -114,9 +111,6 @@ _cygwin_crt0_common (MainFunc f, per_process *u)
u->ctors = &__CTOR_LIST__; u->ctors = &__CTOR_LIST__;
u->dtors = &__DTOR_LIST__; u->dtors = &__DTOR_LIST__;
#ifdef __i386__
u->envptr = &environ;
#endif
if (uwasnull) if (uwasnull)
_impure_ptr = u->impure_ptr; /* Use field initialized in newer DLLs. */ _impure_ptr = u->impure_ptr; /* Use field initialized in newer DLLs. */
else else
@ -168,17 +162,10 @@ _cygwin_crt0_common (MainFunc f, per_process *u)
u->hmodule = GetModuleHandle (0); u->hmodule = GetModuleHandle (0);
/* variables for fork */ /* variables for fork */
#ifdef __x86_64__
u->data_start = &__data_start__; u->data_start = &__data_start__;
u->data_end = &__data_end__; u->data_end = &__data_end__;
u->bss_start = &__bss_start__; u->bss_start = &__bss_start__;
u->bss_end = &__bss_end__; u->bss_end = &__bss_end__;
#else
u->data_start = &_data_start__;
u->data_end = &_data_end__;
u->bss_start = &_bss_start__;
u->bss_end = &_bss_end__;
#endif
u->pseudo_reloc_start = &__RUNTIME_PSEUDO_RELOC_LIST__; u->pseudo_reloc_start = &__RUNTIME_PSEUDO_RELOC_LIST__;
u->pseudo_reloc_end = &__RUNTIME_PSEUDO_RELOC_LIST_END__; u->pseudo_reloc_end = &__RUNTIME_PSEUDO_RELOC_LIST_END__;
u->image_base = &_image_base__; u->image_base = &_image_base__;