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Rev 3799 Rev 3805
Line 17... Line 17...
17 
    int   memsize;
 17 
    int   memsize;
18 
    int   stacktop;
 18 
    int   stacktop;
19 
    char  *cmdline;
 19 
    char  *cmdline;
20 
    char  *path;
 20 
    char  *path;
21 
};
 21 
    int    reserved;
- 
 
 22 
    void  *__idata_start;
- 
 
 23 
    void  *__idata_end;
- 
 
 24 
    void  (*main)(int argc, char **argv, char **envp);
- 
 
 25 
};
22 
 
 26 
 
Line 23... Line 27...
23 
int    _argc;
 27 
int    _argc;
24 
char **_argv;
 28 
char **_argv;
Line 25... Line -...
25 
 
 - 
 
26 
 
 - 
 
27 
void    __fastcall init_loader(void *libc_image);
 - 
 
28 
void*   __fastcall create_image(void *raw);
 29 
 
29 
int     __fastcall link_image(void *img_base);
 30 
 
Line -... Line 31...
- 
 
 31 
void* get_entry_point(void *raw);
- 
 
 32 
int (*entry)(int, char **, char **);
Line 30... Line 33...
30 
void* get_entry_point(void *raw);
 33 
 
Line 31... Line 34...
31 
int (*entry)(int, char **, char **);
 34 
void init_loader(void *libc_image);
Line 43... Line 46...
43 
 
 46 
 
Line 44... Line 47...
44 
    asm volatile ( "xchgw %bx, %bx");
 47 
    asm volatile ( "xchgw %bx, %bx");
Line 45... Line 48...
45 
 
 48 
 
46 
    __asm__ __volatile__(               // save stack limits
 49 
    __asm__ __volatile__(               // save stack limits
47 
    "movl %0, %%fs:4    \n\t"           // use TLS
 50 
    "movl %0, %%fs:8    \n\t"           // use TLS
48 
    "movl %1, %%fs:8    \n\t"
 51 
    "movl %1, %%fs:12    \n\t"
Line 49... Line 52...
49 
    ::"r"(stacklow), "r"(stackhigh));
 52 
    ::"r"(stacklow), "r"(stackhigh));
Line 50... Line 53...
50 
 
 53 
 
Line 59... Line 62...
59 
{
 62 
{
60 
    return NULL;
 63 
    return NULL;
61 
}
 64 
}
62 
 
 65 
 
Line -... Line 66...
- 
 
 66 
void _pei386_runtime_relocator (void);
- 
 
 67 
int link_app();
- 
 
 68 
 
63 
char  __appcwd[1024];
 69 
char  __appcwd[1024];
64 
int   __appcwdlen;
 70 
int   __appcwdlen;
65 
char* __appenv;
 71 
char* __appenv;
66 
int   __appenv_size;
 72 
int   __appenv_size;
Line -... Line 73...
- 
 
 73 
 
- 
 
 74 
static char *arg[2];
- 
 
 75 
 
- 
 
 76 
extern char _tls_map[128];
67 
 
 77 
 
68 
void  __attribute__((noreturn))
 78 
void  __attribute__((noreturn))
69 
crt_startup (void *libc_base, void *obj_base, uint32_t *params)
 79 
libc_crt_startup (void *libc_base)
70 
{
 80 
{
71 
    struct   app_hdr *header;
 - 
 
Line 72... Line 81...
72 
    char *arg[2];
 81 
    struct   app_hdr *header = NULL;
73 
 
 82 
 
Line 74... Line 83...
74 
    int len;
 83 
    int len;
75 
    char *p;
 84 
    char *p;
Line 76... Line 85...
76 
 
 85 
 
Line -... Line 86...
- 
 
 86 
    void *my_app;
- 
 
 87 
    int retval = 0;
77 
    void *my_app;
 88 
 
78 
    int retval = 0;
 89 
    _pei386_runtime_relocator();
- 
 
 90 
 
79 
 
 91 
    memset(_tls_map, 0xFF, 32*4);
Line 80... Line 92...
80 
//    user_free(obj_base);
 92 
    _tls_map[0] = 0xE0;
Line 81... Line -...
81 
 
 - 
 
82 
    init_reent();
 - 
 
83 
    __initPOSIXHandles();
 93 
    init_reent();
84 
 //   __appenv = load_file("/sys/system.env", &__appenv_size);
 94 
    __initPOSIXHandles();
Line 85... Line -...
85 
 
 - 
 
86 
    init_loader(libc_base);
 - 
 
87 
 
 95 
 
88 
    my_app = create_image((void*)(params[0]));
 96 
 //   __appenv = load_file("/sys/system.env", &__appenv_size);
89 
 
 97 
 
90 
    if( link_image(my_app)==0)
 98 
    init_loader(libc_base);
Line 91... Line -...
91 
        goto done;
 - 
 
92 
 
 - 
 
93 
    header = (struct app_hdr*)NULL;
 - 
 
94 
 
 - 
 
95 
    __appcwdlen = strrchr(header->path, '/') - header->path;
 - 
 
96 
    __appcwdlen = __appcwdlen > 1022 ? 1022 : __appcwdlen;
 - 
 
97 
    memcpy(__appcwd, header->path, __appcwdlen);
 - 
 
98 
    set_cwd(__appcwd);
 - 
 
99 
 
 99 
 
100 
#ifdef BRAVE_NEW_WORLD
 - 
 
101 
    len = strlen(header->path);
 - 
 
102 
    p = alloca(len+1);
 - 
 
Line 103... Line 100...
103 
    memcpy(p, header->path, len);
 100 
    if( link_app() == 0)
104 
    p[len]=0;
 101 
        goto done;
105 
 
 - 
 
106 
    arg[0] = p;
 - 
 
107 
#else
 - 
 
108 
    arg[0] = header->path;
 - 
 
109 
#endif
 - 
 
110 
 
 - 
 
111 
    _argc = 1;
 - 
 
112 
 
 - 
 
113 
    if( header->cmdline != 0)
 - 
 
114 
    {
 - 
 
115 
#ifdef BRAVE_NEW_WORLD
 - 
 
116 
        len = strlen(header->cmdline);
 102 
 
117 
        if(len)
 103 
    __appcwdlen = strrchr(header->path, '/') - header->path;
118 
        {
 - 
 
119 
            p = alloca(len+1);
 104 
    __appcwdlen = __appcwdlen > 1022 ? 1022 : __appcwdlen;
- 
 
 105 
    memcpy(__appcwd, header->path, __appcwdlen);
Line 120... Line 106...
120 
            memcpy(p, header->cmdline, len);
 106 
    set_cwd(__appcwd);
Line 121... Line -...
121 
            p[len]=0;
 - 
 
122 
            _argc = 2;
 - 
 
123 
            arg[1] = p;
 - 
 
124 
        };
 - 
 
125 
#else
 107 
 
126 
        _argc = 2;
 - 
 
127 
        arg[1] = header->cmdline;
 108 
    arg[0] = header->path;
128 
#endif
 109 
 
129 
    };
 110 
    if( header->cmdline[0] != 0)