Created
January 16, 2017 01:33
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MSVC CRT startup
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#include <windows.h> | |
extern "C" | |
{ | |
#pragma section(".CRT$XIA",long,read) | |
#pragma section(".CRT$XIZ",long,read) | |
#pragma section(".CRT$XCA",long,read) | |
#pragma section(".CRT$XCZ",long,read) | |
#pragma section(".CRT$XPA",long,read) | |
#pragma section(".CRT$XPZ",long,read) | |
#pragma section(".CRT$XTA",long,read) | |
#pragma section(".CRT$XTZ",long,read) | |
#pragma comment(linker, "/merge:.CRT=.rdata") | |
typedef void (*_PVFV)(void); | |
typedef int (*_PIFV)(void); | |
// C initializers | |
__declspec(allocate(".CRT$XIA")) _PIFV __xi_a[] = { 0 }; | |
__declspec(allocate(".CRT$XIZ")) _PIFV __xi_z[] = { 0 }; | |
// C++ initializers | |
__declspec(allocate(".CRT$XCA")) _PVFV __xc_a[] = { 0 }; | |
__declspec(allocate(".CRT$XCZ")) _PVFV __xc_z[] = { 0 }; | |
// C pre-terminators | |
__declspec(allocate(".CRT$XPA")) _PVFV __xp_a[] = { 0 }; | |
__declspec(allocate(".CRT$XPZ")) _PVFV __xp_z[] = { 0 }; | |
// C terminators | |
__declspec(allocate(".CRT$XTA")) _PVFV __xt_a[] = { 0 }; | |
__declspec(allocate(".CRT$XTZ")) _PVFV __xt_z[] = { 0 }; | |
} | |
static void win32_crt_call(_PIFV* a, _PIFV* b) | |
{ | |
while (a != b) | |
{ | |
if (*a) | |
{ | |
if ((**a)()) | |
{ | |
if (IsDebuggerPresent()) __debugbreak(); | |
ExitProcess(0); | |
} | |
} | |
++a; | |
} | |
} | |
static void win32_crt_call(_PVFV* a, _PVFV* b) | |
{ | |
while (a != b) | |
{ | |
if (*a) | |
{ | |
(**a)(); | |
} | |
++a; | |
} | |
} | |
static void win32_crt_init() | |
{ | |
win32_crt_call(__xi_a, __xi_z); | |
win32_crt_call(__xc_a, __xc_z); | |
} | |
static void win32_crt_done() | |
{ | |
win32_crt_call(__xp_a, __xp_z); | |
win32_crt_call(__xt_a, __xt_z); | |
} |
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