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2003-01-01 Danny Smith <dannysmith@users.sourceforge.net>

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* pseudo-reloc.c (do_pseudo_reloc): Make static.
	* pseudo-reloc-list.c: New file.
	* crt1.c (_pei386_runtime_relocator): Declare.
	(__mingw_CRTStartup): Call it.
	* dllcrt1.c (_pei386_runtime_relocator): Declare.
	(DllMainCRTStartup): Call it.
	* Makefile.in: Add pseudo-reloc.o pseude-reloc-list.o to
	libmingw32.a.

2003-01-01  Egor Duda  <deo@logos-m.ru>

	* pseudo-reloc.c: New file.
This commit is contained in:
Danny Smith 2003-01-01 10:00:39 +00:00
parent 4f66b246ba
commit 353549d744
6 changed files with 85 additions and 6 deletions
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15
winsup/mingw/ChangeLog
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@ -1,3 +1,18 @@
2003-01-01 Danny Smith <dannysmith@users.sourceforge.net>
* pseudo-reloc.c (do_pseudo_reloc): Make static.
* pseudo-reloc-list.c: New file.
* crt1.c (_pei386_runtime_relocator): Declare.
(__mingw_CRTStartup): Call it.
* dllcrt1.c (_pei386_runtime_relocator): Declare.
(DllMainCRTStartup): Call it.
* Makefile.in: Add pseudo-reloc.o pseude-reloc-list.o to
libmingw32.a.
2003-01-01 Egor Duda <deo@logos-m.ru>
* pseudo-reloc.c: New file.
2002-12-20 Earnie Boyd <earnie@users.sf.net>
* include/_mingw.h: Increment version to 2.4.

7
winsup/mingw/Makefile.in
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@ -150,7 +150,8 @@ FLAGS_TO_PASS:=\
CRT0S = crt1.o dllcrt1.o crt2.o dllcrt2.o CRT_noglob.o crtmt.o crtst.o \
CRT_fp8.o CRT_fp10.o txtmode.o binmode.o
MINGW_OBJS = CRTglob.o CRTfmode.o CRTinit.o dllmain.o gccmain.o \
main.o crtst.o mthr_stub.o CRT_fp10.o txtmode.o
main.o crtst.o mthr_stub.o CRT_fp10.o txtmode.o \
pseudo-reloc.o pseudo-reloc-list.o
MOLD_OBJS = ctype_old.o string_old.o
LIBS = libcrtdll.a libmsvcrt.a libmsvcrt20.a libmsvcrt40.a libmingw32.a \
@ -164,7 +165,9 @@ crt1.c crtdll.def crtmt.c crtst.c ctype_old.c dllcrt1.c dllmain.c \
gccmain.c init.c install-sh jamfile main.c mkinstalldirs moldname-crtdll.def \
moldname-msvcrt.def moldname.def moldname.def.in msvcrt.def msvcrt20.def \
msvcrt40.def mthr.c mthr_init.c mthr_stub.c readme.txt string_old.c \
CRT_fp8.c CRT_fp10.c test_headers.c txtmode.c binmode.c
CRT_fp8.c CRT_fp10.c test_headers.c txtmode.c binmode.c pseudo-reloc.c \
pseudo-reloc-list.c
all_dlls_host = @all_dlls_host@
install_dlls_host = @install_dlls_host@

7
winsup/mingw/crt1.c
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@ -47,6 +47,9 @@
* a-good-idea use of include. */
#include "init.c"
extern void _pei386_runtime_relocator (void);
extern int main (int, char **, char **);
/*
@ -203,6 +206,10 @@ __mingw_CRTStartup ()
*/
_mingw32_init_fmode ();
/* Adust references to dllimported data that have non-zero offsets. */
_pei386_runtime_relocator ();
/*
* Call the main function. If the user does not supply one
* the one in the 'libmingw32.a' library will be linked in, and

13
winsup/mingw/dllcrt1.c
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@ -54,6 +54,7 @@ p_atexit_fn __dllonexit (p_atexit_fn, p_atexit_fn**, p_atexit_fn**);
extern BOOL WINAPI DllMain (HANDLE, DWORD, LPVOID);
extern void _pei386_runtime_relocator (void);
BOOL WINAPI
DllMainCRTStartup (HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
@ -62,6 +63,11 @@ DllMainCRTStartup (HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
if (dwReason == DLL_PROCESS_ATTACH)
{
#ifdef DEBUG
printf ("%s: DLL_PROCESS_ATTACH (%d)\n", __FUNCTION__);
#endif
/* Initialize private atexit table for this dll.
32 is min size required by ANSI */
@ -74,11 +80,10 @@ DllMainCRTStartup (HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
*first_atexit = NULL;
next_atexit = first_atexit;
#ifdef DEBUG
printf ("%s: DLL_PROCESS_ATTACH (%d)\n", __FUNCTION__);
#endif
/* Adust references to dllimported data (from other DLL's)
that have non-zero offsets. */
_pei386_runtime_relocator ();
#ifdef __GNUC__
/* From libgcc.a, __main calls global class constructors,
__do_global_ctors, which registers __do_global_dtors

3
winsup/mingw/pseudo-reloc-list.c Normal file
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@ -0,0 +1,3 @@
/* Define here in .bss in case not defined by linker script. */
char __RUNTIME_PSEUDO_RELOC_LIST_END__ = 0;
char __RUNTIME_PSEUDO_RELOC_LIST__ = 0;

46
winsup/mingw/pseudo-reloc.c Normal file
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@ -0,0 +1,46 @@
/* pseudo-reloc.c
Written by Egor Duda <deo@logos-m.ru>
THIS SOFTWARE IS NOT COPYRIGHTED
This source code is offered for use in the public domain. You may
use, modify or distribute it freely.
This code is distributed in the hope that it will be useful but
WITHOUT ANY WARRANTY. ALL WARRENTIES, EXPRESS OR IMPLIED ARE HEREBY
DISCLAMED. This includes but is not limited to warrenties of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <windows.h>
extern char __RUNTIME_PSEUDO_RELOC_LIST__;
extern char __RUNTIME_PSEUDO_RELOC_LIST_END__;
extern char _image_base__;
typedef struct
{
DWORD addend;
DWORD target;
}
runtime_pseudo_reloc;
static void
do_pseudo_reloc (void* start, void* end, void* base)
{
DWORD reloc_target;
runtime_pseudo_reloc* r;
for (r = (runtime_pseudo_reloc*) start; r < (runtime_pseudo_reloc*) end; r++)
{
reloc_target = (DWORD) base + r->target;
*((DWORD*) reloc_target) += r->addend;
}
}
void
_pei386_runtime_relocator ()
{
do_pseudo_reloc (&__RUNTIME_PSEUDO_RELOC_LIST__,
&__RUNTIME_PSEUDO_RELOC_LIST_END__,
&_image_base__);
}