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newlib: fix stack allocation

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git-svn-id: svn://kolibrios.org@2040 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2011-08-07 13:02:30 +00:00
parent e95850da21
commit 3b27f053ae
6 changed files with 94 additions and 7 deletions
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81
programs/develop/libraries/newlib/pe/loader.c
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@@ -561,7 +561,75 @@ void* get_entry_point(void *raw)
nt = MakePtr( PIMAGE_NT_HEADERS32, dos, dos->e_lfanew);
return MakePtr(void*, raw, nt->OptionalHeader.AddressOfEntryPoint);
}
};
void *get_proc_address(module_t *module, char *proc_name)
{
PIMAGE_DOS_HEADER expdos;
PIMAGE_NT_HEADERS32 expnt;
PIMAGE_EXPORT_DIRECTORY exp;
uint32_t *exp_functions;
uint16_t *exp_ordinals;
char **exp_names;
int minn, maxn;
char *export_name;
uint16_t ordinal;
void *function=NULL;
exp = module->img_exp;
exp_functions = MakePtr(uint32_t*,exp->AddressOfFunctions,module->start);
exp_ordinals = MakePtr(uint16_t*, exp->AddressOfNameOrdinals,module->start);
exp_names = MakePtr(char**, exp->AddressOfNames,module->start);
minn = 0;
maxn = exp->NumberOfNames - 1;
while (minn <= maxn)
{
int mid;
int res;
mid = (minn + maxn) / 2;
export_name = MakePtr(char*,exp_names[mid],module->start);
res = strcmp(export_name, proc_name);
if (res == 0)
{
ordinal = exp_ordinals[mid];
function = MakePtr(void*,exp_functions[ordinal], module->start);
if((uint32_t)function >= (uint32_t)exp)
{
printf("forward %s\n", function);
}
else
{
DBG(" \t\tat %x\n", function);
};
break;
}
else if (minn == maxn)
{
DBG(" unresolved %s\n",proc_name);
break;
}
else if (res > 0)
{
maxn = mid - 1;
}
else
{
minn = mid + 1;
}
};
return function;
};
module_t* load_module(const char *name)
@@ -642,7 +710,18 @@ module_t* load_module(const char *name)
list_add_tail(&module->list, &dll_list);
if( link_image(img_base))
{
int (*dll_startup)(module_t *mod, uint32_t reason);
dll_startup = get_proc_address(module, "DllStartup");
if( dll_startup )
{
if( 0 == dll_startup(module, 1))
return 0;
}
return module;
};
return NULL;
};