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| 17 | #include |
17 | #include |
| 18 | #include |
18 | #include |
| 19 | #include |
19 | #include |
| 20 | #include |
20 | #include |
| Line -... | Line 21... | ||
| - | 21 | ||
| - | 22 | struct app_hdr |
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| - | 23 | { |
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| - | 24 | char banner[8]; |
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| - | 25 | int version; |
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| - | 26 | int start; |
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| - | 27 | int iend; |
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| - | 28 | int memsize; |
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| - | 29 | int stacktop; |
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| 21 | 30 | char *cmdline; |
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| - | 31 | char *path; |
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| Line -... | Line 32... | ||
| - | 32 | }; |
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| Line 22... | Line 33... | ||
| 22 | #include "cpu_features.h" |
33 | |
| 23 | 34 | extern int main (int, char **, char **); |
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| 24 | 35 | ||
| 25 | /* NOTE: The code for initializing the _argv, _argc, and environ variables |
36 | /* NOTE: The code for initializing the _argv, _argc, and environ variables |
| 26 | * has been moved to a separate .c file which is included in both |
37 | * has been moved to a separate .c file which is included in both |
| Line -... | Line 38... | ||
| - | 38 | * crt1.c and dllcrt1.c. This means changes in the code don't have to |
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| - | 39 | * be manually synchronized, but it does lead to this not-generally- |
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| Line 27... | Line -... | ||
| 27 | * crt1.c and dllcrt1.c. This means changes in the code don't have to |
- | |
| 28 | * be manually synchronized, but it does lead to this not-generally- |
40 | * a-good-idea use of include. */ |
| 29 | * a-good-idea use of include. */ |
- | |
| 30 | - | ||
| 31 | - | ||
| 32 | extern char __cmdline[]; |
- | |
| 33 | extern char __pgmname[]; |
- | |
| 34 | - | ||
| 35 | extern int main (int, char **, char **); |
- | |
| 36 | - | ||
| 37 | int _errno; |
- | |
| 38 | int _fmode; |
- | |
| 39 | - | ||
| 40 | int _argc; |
- | |
| 41 | char **_argv; |
- | |
| Line 42... | Line 41... | ||
| 42 | 41 | ||
| 43 | static char *arg[2]; |
42 | char* __appenv; |
| 44 | 43 | int __appenv_size; |
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| 45 | void _exit(int __status) __attribute__((noreturn)); |
44 | |
| Line 46... | Line -... | ||
| 46 | - | ||
| 47 | - | ||
| 48 | char * __libc_getenv(const char *name) |
45 | extern char _tls_map[128]; |
| 49 | { |
46 | |
| 50 | return NULL; |
47 | char * __libc_getenv(const char *name) |
| 51 | } |
48 | { |
| - | 49 | return NULL; |
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| 52 | 50 | } |
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| - | 51 | ||
| 53 | void __main (){}; |
52 | static int split_cmdline(char *cmdline, char **argv) |
| - | 53 | { |
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| 54 | 54 | enum quote_state |
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| 55 | struct app_hdr |
55 | { |
| 56 | { |
56 | QUOTE_NONE, /* no " active in current parm */ |
| 57 | char banner[8]; |
57 | QUOTE_DELIMITER, /* " was first char and must be last */ |
| 58 | int version; |
- | |
| Line 59... | Line 58... | ||
| 59 | int start; |
58 | QUOTE_STARTED /* " was seen, look for a match */ |
| 60 | int iend; |
- | |
| 61 | int memsize; |
59 | }; |
| 62 | int stacktop; |
- | |
| 63 | char *cmdline; |
- | |
| 64 | char *path; |
- | |
| 65 | }; |
60 | |
| 66 | 61 | enum quote_state state; |
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| - | 62 | unsigned int argc; |
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| - | 63 | char *p = cmdline; |
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| - | 64 | char *new_arg, *start; |
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| - | 65 | ||
| - | 66 | argc = 0; |
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| - | 67 | ||
| - | 68 | for(;;) |
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| - | 69 | { |
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| - | 70 | /* skip over spaces and tabs */ |
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| - | 71 | if ( *p ) |
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| - | 72 | { |
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| - | 73 | while (*p == ' ' || *p == '\t') |
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| - | 74 | ++p; |
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| - | 75 | } |
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| - | 76 | ||
| - | 77 | if (*p == '\0') |
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| - | 78 | break; |
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| - | 79 | ||
| - | 80 | state = QUOTE_NONE; |
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| - | 81 | if( *p == '\"' ) |
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| - | 82 | { |
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| 67 | typedef void (*ctp)(); |
83 | p++; |
| - | 84 | state = QUOTE_DELIMITER; |
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| - | 85 | } |
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| - | 86 | new_arg = start = p; |
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| - | 87 | for (;;) |
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| - | 88 | { |
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| - | 89 | if( *p == '\"' ) |
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| - | 90 | { |
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| - | 91 | p++; |
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| - | 92 | if( state == QUOTE_NONE ) |
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| - | 93 | { |
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| - | 94 | state = QUOTE_STARTED; |
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| - | 95 | } |
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| - | 96 | else |
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| - | 97 | { |
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| - | 98 | state = QUOTE_NONE; |
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| - | 99 | } |
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| - | 100 | continue; |
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| - | 101 | } |
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| - | 102 | ||
| - | 103 | if( *p == ' ' || *p == '\t' ) |
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| - | 104 | { |
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| - | 105 | if( state == QUOTE_NONE ) |
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| - | 106 | { |
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| - | 107 | break; |
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| - | 108 | } |
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| - | 109 | } |
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| - | 110 | ||
| - | 111 | if( *p == '\0' ) |
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| - | 112 | break; |
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| - | 113 | ||
| - | 114 | if( *p == '\\' ) |
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| - | 115 | { |
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| - | 116 | if( p[1] == '\"' ) |
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| - | 117 | { |
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| - | 118 | ++p; |
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| - | 119 | if( p[-2] == '\\' ) |
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| - | 120 | { |
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| - | 121 | continue; |
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| 68 | static void __do_global_ctors () |
122 | } |
| - | 123 | } |
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| - | 124 | } |
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| - | 125 | if( argv ) |
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| - | 126 | { |
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| - | 127 | *(new_arg++) = *p; |
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| - | 128 | } |
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| - | 129 | ++p; |
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| - | 130 | }; |
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| - | 131 | ||
| - | 132 | if( argv ) |
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| - | 133 | { |
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| - | 134 | argv[ argc ] = start; |
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| - | 135 | ++argc; |
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| - | 136 | ||
| - | 137 | /* |
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| - | 138 | The *new = '\0' is req'd in case there was a \" to " |
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| - | 139 | translation. It must be after the *p check against |
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| - | 140 | '\0' because new and p could point to the same char |
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| - | 141 | in which case the scan would be terminated too soon. |
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| - | 142 | */ |
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| - | 143 | ||
| - | 144 | if( *p == '\0' ) |
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| - | 145 | { |
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| - | 146 | *new_arg = '\0'; |
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| - | 147 | break; |
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| - | 148 | } |
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| - | 149 | *new_arg = '\0'; |
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| - | 150 | ++p; |
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| - | 151 | } |
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| 69 | { |
152 | else |
| 70 | extern int __CTOR_LIST__; |
153 | { |
| - | 154 | ++argc; |
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| - | 155 | if( *p == '\0' ) |
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| 71 | int *c = &__CTOR_LIST__; |
156 | { |
| Line 72... | Line 157... | ||
| 72 | c++; |
157 | break; |
| 73 | while (*c) |
158 | } |
| 74 | { |
159 | ++p; |
| 75 | ctp d = (ctp)*c; |
- | |
| 76 | (d)(); |
160 | } |
| 77 | c++; |
- | |
| 78 | } |
- | |
| 79 | } |
161 | } |
| Line 80... | Line -... | ||
| 80 | - | ||
| 81 | void __attribute__((noreturn)) |
162 | |
| 82 | __crt_startup (void) |
163 | return argc; |
| 83 | { |
- | |
| 84 | int nRet; |
- | |
| Line -... | Line 164... | ||
| - | 164 | }; |
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| - | 165 | ||
| - | 166 | void __attribute__((noreturn)) |
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| 85 | struct app_hdr *header; |
167 | __crt_startup (void) |
| Line 86... | Line -... | ||
| 86 | - | ||
| Line 87... | Line 168... | ||
| 87 | 168 | { |
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| 88 | init_global_reent(); |
169 | struct app_hdr *header = NULL; |
| 89 | - | ||
| 90 | /* |
170 | int retval = 0; |
| 91 | * Initialize floating point unit. |
- | |
| 92 | */ |
- | |
| 93 | __cpu_features_init (); /* Do we have SSE, etc.*/ |
- | |
| 94 | // _fpreset (); /* Supplied by the runtime library. */ |
- | |
| 95 | - | ||
| 96 | __do_global_ctors(); |
- | |
| 97 | - | ||
| 98 | arg[0] = &__pgmname[0]; |
- | |
| 99 | - | ||
| 100 | if( __cmdline[0] != 0) |
- | |
| 101 | { |
- | |
| 102 | _argc = 2; |
- | |
| 103 | arg[1] = &__cmdline[0]; |
- | |
| 104 | } else _argc = 1; |
171 | |
| 105 | - | ||
| 106 | _argv = arg; |
- | |
| 107 | - | ||
| 108 | /* |
- | |
| 109 | * Sets the default file mode. |
- | |
| 110 | * If _CRT_fmode is set, also set mode for stdin, stdout |
172 | char **argv; |
| 111 | * and stderr, as well |
- | |
| Line -... | Line 173... | ||
| - | 173 | int argc; |
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| - | 174 | ||
| - | 175 | memset(_tls_map, 0xFF, 32*4); |
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| - | 176 | _tls_map[0] = 0xE0; |
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| - | 177 | init_reent(); |
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| - | 178 | init_stdio(); |
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| - | 179 | ||
| - | 180 | ||
| - | 181 | if( header->cmdline[0] != 0) |
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| Line -... | Line 182... | ||
| - | 182 | { |
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| - | 183 | argc = split_cmdline(header->cmdline, NULL) + 1; |
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| - | 184 | argv = alloca((argc+1)*sizeof(char*)); |
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| - | 185 | argv[0] = header->path; |
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