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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3805 | Serge | 1 | /* |
| 2 | * crt1.c |
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| 3 | * This file has no copyright assigned and is placed in the Public Domain. |
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| 4 | * This file is a part of the mingw-runtime package. |
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| 5 | * No warranty is given; refer to the file DISCLAIMER within the package. |
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| 6 | * |
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| 7 | * Source code for the startup proceedures used by all programs. This code |
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| 8 | * is compiled to make crt1.o, which should be located in the library path. |
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| 9 | * |
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| 10 | */ |
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| 11 | |||
| 12 | /* Hide the declaration of _fmode with dllimport attribute in stdlib.h to |
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| 13 | avoid problems with older GCC. */ |
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| 14 | |||
| 15 | #include |
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| 16 | #include |
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| 17 | #include |
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| 18 | #include |
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| 19 | #include |
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| 20 | |||
| 21 | |||
| 22 | typedef void (*ctp)(); |
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| 23 | static void __do_global_ctors () |
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| 24 | { |
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| 25 | extern int __CTOR_LIST__; |
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| 26 | int *c = &__CTOR_LIST__; |
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| 27 | c++; |
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| 28 | while (*c) |
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| 29 | { |
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| 30 | ctp d = (ctp)*c; |
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| 31 | (d)(); |
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| 32 | c++; |
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| 33 | } |
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| 34 | } |
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| 35 | |||
| 36 | void *load_libc(); |
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| 37 | void __main (){}; |
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| 38 | |||
| 39 | void* get_entry_point(void *raw); |
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| 40 | |||
| 41 | void __attribute__((noreturn)) |
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| 42 | __crt_startup (void) |
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| 43 | { |
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| 44 | struct app_hdr *header; |
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| 45 | void *img; |
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| 46 | void __attribute__((noreturn)) (*entry)(void *img); |
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| 47 | |||
| 48 | img = load_libc(); |
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| 49 | |||
| 50 | if(img == NULL) |
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| 51 | { |
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| 52 | asm("int3"); |
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| 53 | asm ("int $0x40" ::"a"(-1)); |
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| 54 | }; |
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| 55 | |||
| 56 | entry = get_entry_point(img); |
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| 57 | entry(img); |
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| 58 | } |
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| 59 |