Usermode/libposix - add stubbed getopt

[tpg/acess2.git] / Usermode / Libraries / ld-acess.so_src / main.c

diff --git a/Usermode/Libraries/ld-acess.so_src/main.c b/Usermode/Libraries/ld-acess.so_src/main.c
index dfb1b61..40c603e 100644 (file)
--- a/Usermode/Libraries/ld-acess.so_src/main.c
+++ b/Usermode/Libraries/ld-acess.so_src/main.c
@@ -3,17 +3,17 @@
  By thePowersGang\r
 */\r
 #include <stdint.h>\r
+#include <stddef.h>\r
 #include "common.h"\r
 \r
 // === PROTOTYPES ===\r
-void   *DoRelocate(void *base, char **envp, char *Filename);\r
+void   *DoRelocate(void *base, char **envp, const char *Filename);\r
  int   CallUser(void *Entry, void *SP);\r
-void   *ElfRelocate(void *Base, char *envp[], char *Filename);\r
-void   *PE_Relocate(void *Base, char *envp[], char *Filename);\r
 \r
 // === Imports ===\r
-extern void    gLinkedBase;\r
-extern tLoadedLib      gLoadedLibraries[];\r
+extern char    gLinkedBase[];\r
+char   **gEnvP;\r
+extern int     memcmp(const void *m1, const void *m2, size_t size);\r
  \r
 // === CODE ===\r
 /**\r
@@ -21,10 +21,12 @@ extern tLoadedLib   gLoadedLibraries[];
  \brief Library entry point\r
  \note This is the entrypoint for the library\r
 */\r
-int SoMain(void *base, void *arg1)\r
+void *SoMain(void *base, int argc, char **argv, char **envp)\r
 {\r
        void    *ret;\r
         \r
+       gEnvP = envp;\r
+\r
        // - Assume that the file pointer will be less than 4096\r
        if((intptr_t)base < 0x1000) {\r
                SysDebug("ld-acess - SoMain: Passed file pointer %i\n", base);\r
@@ -38,10 +40,6 @@ int SoMain(void *base, void *arg1)
                for(;;);\r
        }\r
 \r
-       gLoadedLibraries[0].Base = &gLinkedBase;\r
-       // 'libld-acess.so' because that is what applications link against\r
-       gLoadedLibraries[0].Name = "/Acess/Libs/libld-acess.so";\r
-       \r
        // Otherwise do relocations\r
        //ret = DoRelocate( base, envp, "Executable" );\r
        ret = DoRelocate( base, NULL, "Executable" );\r
@@ -50,28 +48,29 @@ int SoMain(void *base, void *arg1)
                _exit(-1);\r
                for(;;);\r
        }\r
-       \r
-       // And call user\r
-       //SysDebug("Calling User at 0x%x\n", ret);\r
-       CallUser( ret, &arg1 );\r
-       \r
-       return 0;\r
+\r
+       SysDebug("ld-acess - SoMain: ret = %p", ret);   \r
+       return ret;\r
 }\r
 \r
 /**\r
  \fn int DoRelocate(void *base, char **envp)\r
  \brief Relocates an in-memory image\r
 */\r
-void *DoRelocate(void *base, char **envp, char *Filename)\r
+void *DoRelocate(void *base, char **envp, const char *Filename)\r
 {\r
+       uint8_t *hdr = base;\r
        // Load Executable\r
-       if(*(Uint32*)base == (0x7F|('E'<<8)|('L'<<16)|('F'<<24)))\r
+       if(memcmp(base, "\x7F""ELF", 4) == 0)\r
+               return ElfRelocate(base, envp, Filename);\r
+       if(hdr[0] == 0x7F && hdr[1] == 'E' && hdr[2] == 'L' && hdr[3] == 'F')\r
                return ElfRelocate(base, envp, Filename);\r
-       if(*(Uint16*)base == ('M'|('Z'<<8)))\r
+\r
+       if(hdr[0] == 'M' && hdr[1] == 'Z')\r
                return PE_Relocate(base, envp, Filename);\r
        \r
        SysDebug("ld-acess - DoRelocate: Unkown file format '0x%x 0x%x 0x%x 0x%x'\n",\r
-               *(Uint8*)(base), *(Uint8*)(base+1), *(Uint8*)(base+2), *(Uint8*)(base+3) );\r
+               hdr[0], hdr[1], hdr[2], hdr[3] );\r
        SysDebug("ld-acess - DoRelocate: File '%s'\n", Filename);\r
        _exit(-1);\r
        for(;;);\r
@@ -97,3 +96,13 @@ int CallUser(void *entry, void *sp)
        #endif\r
        for(;;);\r
 }\r
+\r
+void exit(int val)\r
+{\r
+       _exit(val);\r
+}\r
+\r
+void abort(void)\r
+{\r
+       _exit(-4);\r
+}\r