mingw32-runtime/mingw-w64-runtime-1.0.1-fix-startup-crash.patch

52 lines
1.7 KiB
Diff

diff --git a/crt/pseudo-reloc.c b/crt/pseudo-reloc.c
index 308ecda..9c582b0 100644
--- a/crt/pseudo-reloc.c
+++ b/crt/pseudo-reloc.c
@@ -252,15 +252,17 @@ restore_modified_sections (void)
static void
__write_memory (void *addr, const void *src, size_t len)
{
-#ifndef __MINGW64_VERSION_MAJOR
MEMORY_BASIC_INFORMATION b;
DWORD oldprot;
-#endif /* ! __MINGW64_VERSION_MAJOR */
+ int call_unprotect = 0;
if (!len)
return;
-#ifndef __MINGW64_VERSION_MAJOR
+#ifdef __MINGW64_VERSION_MAJOR
+ mark_section_writable ((LPVOID) addr);
+#endif
+
if (!VirtualQuery (addr, &b, sizeof(b)))
{
__report_error (" VirtualQuery failed for %d bytes at address %p",
@@ -269,19 +271,17 @@ __write_memory (void *addr, const void *src, size_t len)
/* Temporarily allow write access to read-only protected memory. */
if (b.Protect != PAGE_EXECUTE_READWRITE && b.Protect != PAGE_READWRITE)
- VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE,
- &oldprot);
-#else /* ! __MINGW64_VERSION_MAJOR */
- mark_section_writable ((LPVOID) addr);
-#endif /* __MINGW64_VERSION_MAJOR */
+ {
+ call_unprotect = 1;
+ VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE,
+ &oldprot);
+ }
/* write the data. */
memcpy (addr, src, len);
/* Restore original protection. */
-#ifndef __MINGW64_VERSION_MAJOR
- if (b.Protect != PAGE_EXECUTE_READWRITE && b.Protect != PAGE_READWRITE)
+ if (call_unprotect && b.Protect != PAGE_EXECUTE_READWRITE && b.Protect != PAGE_READWRITE)
VirtualProtect (b.BaseAddress, b.RegionSize, oldprot, &oldprot);
-#endif /* !__MINGW64_VERSION_MAJOR */
}
#define RP_VERSION_V1 0