dlfcn.h

Go to the documentation of this file.

 
#ifndef __LIBDRAGON_DLFCN_H
#define __LIBDRAGON_DLFCN_H
 
#define RTLD_LAZY 0x0
#define RTLD_NOW 0x0
#define RTLD_GLOBAL 0x1
#define RTLD_LOCAL 0x0
#define RTLD_NODELETE 0x2
#define RTLD_NOLOAD 0x4
 
#define RTLD_DEFAULT ((void *)-1)
#define RTLD_NEXT ((void *)-2)
 
typedef struct {
    const char *dli_fname;
    void       *dli_fbase;
    const char *dli_sname;
    void       *dli_saddr;
} Dl_info;
 
#ifdef __cplusplus
extern "C" {
#endif
 
// Embedded GDB script to auto-load DSO symbols
#ifndef N64_DSO
asm(
".pushsection \".debug_gdb_scripts\", \"MS\",@progbits,1\n"
".byte 4\n"
".ascii \"gdb.inlined-script-dso-autoload\\n\"\n"
".ascii \"import gdb\\n\"\n"
".ascii \"class BreakpointDsoLoad(gdb.Breakpoint):\\n\"\n"
".ascii \"  def stop(self):\\n\"\n"
".ascii \"    frame = gdb.selected_frame()\\n\"\n"
".ascii \"    src_elf = gdb.execute('printf \\\"%s\\\", module->src_elf', False, True)\\n\"\n"
".ascii \"    prog_base = int(gdb.execute('printf \\\"%x\\\", module->prog_base', False, True), 16)\\n\"\n"
".ascii \"    print(\\\"Loading overlay: \\\", src_elf, \\\"(text:\\\", hex(prog_base), \\\")\\\")\\n\"\n"
".ascii \"    gdb.execute(\\\"add-symbol-file -readnow \\\" + src_elf + \\\" \\\" + hex(prog_base), False, True)\\n\"\n"
".ascii \"    return False\\n\"\n"
".ascii \"class BreakpointDsoFree(gdb.Breakpoint):\\n\"\n"
".ascii \"  def stop(self):\\n\"\n"
".ascii \"    frame = gdb.selected_frame()\\n\"\n"
".ascii \"    src_elf = gdb.execute('printf \\\"%s\\\", module->src_elf', False, True)\\n\"\n"
".ascii \"    prog_base = int(gdb.execute('printf \\\"%x\\\", module->prog_base', False, True), 16)\\n\"\n"
".ascii \"    print(\\\"Unloading overlay: \\\", src_elf, \\\"(text:\\\", hex(prog_base), \\\")\\\")\\n\"\n"
".ascii \"    gdb.execute(\\\"remove-symbol-file -a \\\" + hex(prog_base), False, True)\\n\"\n"
".ascii \"    return False\\n\"\n"
".ascii \"bp_load = BreakpointDsoLoad(\\\"__dl_insert_module\\\")\\n\"\n"
".ascii \"bp_load.silent = True\\n\"\n"
".ascii \"bl_free = BreakpointDsoFree(\\\"__dl_remove_module\\\")\\n\"\n"
".ascii \"bl_free.silent = True\\n\"\n"
".byte 0\n"
".popsection\n"
);
#endif
 
void *dlopen(const char *filename, int mode);
 
void *dlsym(void *handle, const char *symbol);
 
int dlclose(void *handle);
 
int dladdr(const void *addr, Dl_info *info);
 
char *dlerror(void);
 
#ifdef __cplusplus
}
#endif
 
#endif