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Commit e205ee96 authored by sewardj's avatar sewardj
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[project @ 2001-06-27 13:56:01 by sewardj] 

Clean up Win32 linking a bit, by fishing symbols out of msvcrt.dll
as needed.  This reduces the size of but unfortunately does not
eliminate the RTS_MINGW_ONLY_SYMBOLS hack.
parent 361f4ed5
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Showing with 37 additions and 85 deletions
ghc/rts/Linker.c
View file @ e205ee96
/* -----------------------------------------------------------------------------
* $Id: Linker.c,v 1.45 2001/06/25 09:44:10 rrt Exp $
* $Id: Linker.c,v 1.46 2001/06/27 13:56:01 sewardj Exp $
*
* (c) The GHC Team, 2000
*
......@@ -80,36 +80,13 @@ typedef struct _RtsSymbolVal {
#else
#define RTS_POSIX_ONLY_SYMBOLS
/* These are statically linked from the mingw libraries into the ghc
executable, so we have to employ this hack. */
#define RTS_MINGW_ONLY_SYMBOLS \
SymX(abort) \
Sym(_alloca) \
Sym(isxdigit) \
Sym(isupper) \
Sym(ispunct) \
Sym(islower) \
Sym(isspace) \
Sym(isprint) \
Sym(isdigit) \
Sym(iscntrl) \
Sym(isalpha) \
Sym(isalnum) \
SymX(memset) \
SymX(strncpy) \
SymX(strcpy) \
SymX(strcmp) \
SymX(strerror) \
Sym(mktime) \
Sym(gmtime) \
Sym(strftime) \
Sym(localtime) \
SymX(getenv) \
SymX(rename) \
Sym(opendir) \
Sym(readdir) \
Sym(closedir) \
Sym(PrelHandle_stderr_closure) \
Sym(Main_main_closure) \
Sym(__init_Main) \
SymX(memmove) \
SymX(realloc) \
SymX(malloc) \
SymX(pow) \
SymX(tanh) \
SymX(cosh) \
......@@ -123,46 +100,25 @@ typedef struct _RtsSymbolVal {
SymX(exp) \
SymX(log) \
SymX(sqrt) \
SymX(Sleep) \
SymX(system) \
SymX(memchr) \
SymX(memcpy) \
SymX(memmove) \
SymX(fprintf) \
Sym(_imp___iob) \
Sym(_imp___tzname) \
Sym(mktime) \
Sym(_imp___timezone) \
Sym(__udivdi3) \
SymX(GetProcessTimes) \
SymX(GetCurrentProcess) \
SymX(read) \
SymX(write) \
SymX(open) \
SymX(close) \
SymX(send) \
SymX(recv) \
SymX(malloc) \
Sym(_imp___tzname) \
Sym(localtime) \
Sym(gmtime) \
SymX(getenv) \
SymX(free) \
SymX(realloc) \
SymX(fstat) \
SymX(stat) \
Sym(ftime) \
SymX(isatty) \
SymX(lseek) \
SymX(access) \
Sym(setmode) \
SymX(chmod) \
SymX(chdir) \
SymX(getcwd) \
SymX(unlink) \
SymX(rmdir) \
SymX(mkdir) \
SymX(CreateProcessA) \
SymX(WaitForSingleObject) \
SymX(GetExitCodeProcess) \
SymX(rename) \
Sym(opendir) \
Sym(readdir) \
Sym(closedir) \
SymX(GetCurrentProcess) \
SymX(GetProcessTimes) \
SymX(CloseHandle) \
SymX(_errno) \
SymX(closesocket)
SymX(GetExitCodeProcess) \
SymX(WaitForSingleObject) \
SymX(CreateProcessA) \
SymX(_errno)
#endif
......@@ -449,6 +405,7 @@ initLinker( void )
typedef
struct _OpenedDLL {
char* name;
struct _OpenedDLL* next;
HINSTANCE instance;
}
......@@ -485,33 +442,25 @@ addDLL ( char* path, char* dll_name )
} else {
return NULL;
}
ASSERT(0); /*NOTREACHED*/
/*NOTREACHED*/
# elif defined(OBJFORMAT_PEi386)
/* Add this DLL to the list of DLLs in which to search for symbols.
The first time through, also add the executable to the list,
since we need to search that too. The path argument is ignored. */
The path argument is ignored. */
char* buf;
OpenedDLL* o_dll;
HINSTANCE instance;
/* fprintf(stderr, "addDLL %s\n", dll_name ); */
#if 0
/* Later ... can't figure out why this doesn't work. So retain the
RTS_MINGW_ONLY_SYMBOLS hack for the time being. */
if (opened_dlls == NULL) {
/* First time through ... */
instance = GetModuleHandle(NULL);
if (instance == NULL)
return "addDLL: can't get handle to the executable";
o_dll = stgMallocBytes( sizeof(OpenedDLL), "addDLL-init" );
o_dll->instance = instance;
o_dll->next = opened_dlls;
opened_dlls = o_dll;
/* fprintf(stderr, "\naddDLL; path=`%s', dll_name = `%s'\n", path, dll_name); */
/* See if we've already got it, and ignore if so. */
for (o_dll = opened_dlls; o_dll != NULL; o_dll = o_dll->next) {
if (0 == strcmp(o_dll->name, dll_name))
return NULL;
}
#endif
buf = stgMallocBytes(strlen(dll_name) + 10, "addDll");
buf = stgMallocBytes(strlen(dll_name) + 10, "addDLL");
sprintf(buf, "%s.DLL", dll_name);
instance = LoadLibrary(buf);
free(buf);
......@@ -521,6 +470,8 @@ addDLL ( char* path, char* dll_name )
}
o_dll = stgMallocBytes( sizeof(OpenedDLL), "addDLL" );
o_dll->name = stgMallocBytes(1+strlen(dll_name), "addDLL");
strcpy(o_dll->name, dll_name);
o_dll->instance = instance;
o_dll->next = opened_dlls;
opened_dlls = o_dll;
......@@ -548,6 +499,7 @@ lookupSymbol( char *lbl )
OpenedDLL* o_dll;
void* sym;
for (o_dll = opened_dlls; o_dll != NULL; o_dll = o_dll->next) {
/* fprintf(stderr, "look in %s for %s\n", o_dll->name, lbl); */
sym = GetProcAddress(o_dll->instance, lbl);
if (sym != NULL) return sym;
}
......@@ -977,7 +929,7 @@ ocVerifyImage_PEi386 ( ObjectCode* oc )
COFF_section* sectab;
COFF_symbol* symtab;
UChar* strtab;
fprintf(stderr, "\nLOADING %s\n", oc->fileName);
/* fprintf(stderr, "\nLOADING %s\n", oc->fileName); */
hdr = (COFF_header*)(oc->image);
sectab = (COFF_section*) (
((UChar*)(oc->image))
......
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