C++ (Cpp) find_elf_sym Examples

Example #1

File: tccpe.c Project: 00shiv/Nimrod

ST_FN void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe)
{
    const char *start_symbol;
    unsigned long addr = 0;
    int pe_type = 0;

    if (find_elf_sym(symtab_section, "_WinMain@16"))
        pe_type = PE_GUI;
    else
    if (TCC_OUTPUT_DLL == s1->output_type) {
        pe_type = PE_DLL;
        /* need this for 'tccelf.c:relocate_section()' */
        s1->output_type = TCC_OUTPUT_EXE;
    }

    start_symbol =
        TCC_OUTPUT_MEMORY == s1->output_type
        ? PE_GUI == pe_type ? "_runwinmain" : NULL
        : PE_DLL == pe_type ? "__dllstart@12"
        : PE_GUI == pe_type ? "_winstart" : "_start"
        ;

    /* grab the startup code from libtcc1 */
    if (start_symbol)
        add_elf_sym(symtab_section,
            0, 0,
            ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0,
            SHN_UNDEF, start_symbol);

    if (0 == s1->nostdlib) {
        tcc_add_library(s1, "tcc1");
#ifdef __CYGWIN__
        tcc_add_library(s1, "cygwin1");
#else
        tcc_add_library(s1, "msvcrt");
#endif
        tcc_add_library(s1, "kernel32");
        if (PE_DLL == pe_type || PE_GUI == pe_type) {
            tcc_add_library(s1, "user32");
            tcc_add_library(s1, "gdi32");
        }
    }

    if (start_symbol) {
        addr = (unsigned long)tcc_get_symbol_err(s1, start_symbol);
        if (s1->output_type == TCC_OUTPUT_MEMORY && addr)
            /* for -run GUI's, put '_runwinmain' instead of 'main' */
            add_elf_sym(symtab_section,
                    addr, 0,
                    ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0,
                    text_section->sh_num, "main");
    }

    if (pe) {
        pe->type = pe_type;
        pe->start_addr = addr;
    }
}

Example #2

File: pe.c Project: HarryR/sanos

static int pe_find_import(TCCState *s1, const char *symbol) {
  char buffer[200];
  const char *s;
  int sym_index, n = 0;
  do {
    s = n ? get_alt_symbol(buffer, symbol) : symbol;
    sym_index = find_elf_sym(s1->dynsymtab_section, s);
  } while (sym_index == 0 && ++n < 2);
  return sym_index;
}

Example #3

File: tccpe.c Project: 00shiv/Nimrod

ST_FN int pe_find_import(TCCState * s1, const char *symbol)
{
    char buffer[200];
    const char *s;
    int sym_index, n = 0;
    do {
        s = n ? get_alt_symbol(buffer, symbol) : symbol;
        sym_index = find_elf_sym(s1->dynsymtab_section, s);
        // printf("find %d %s\n", sym_index, s);
    } while (0 == sym_index && ++n < 2);
    return sym_index;
}

Example #4

File: pe.c Project: HarryR/sanos

static void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe) {
  const char *start_symbol;
  unsigned long addr = 0;
  int pe_type = 0;
  int start_sym_index;

  if (find_elf_sym(symtab_section, "_WinMain@16")) {
    pe_type = PE_GUI;
  } else if (s1->output_type == TCC_OUTPUT_DLL) {
    pe_type = PE_DLL;
    // Need this for 'tccelf.c:relocate_section()'
    s1->output_type = TCC_OUTPUT_EXE;
  } else {
    pe_type = PE_EXE;
  }

  start_symbol = s1->start_symbol;
  if (!start_symbol) {
    start_symbol = pe_type == PE_DLL ? "_DllMain@12" : "mainCRTStartup";
  }
  start_sym_index = add_elf_sym(symtab_section, 0, 0,
                                ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0,
                                SHN_UNDEF, start_symbol);
  tcc_get_symbol_err(s1, start_symbol);

  if (s1->nostdlib == 0) {
    tcc_add_library(s1, "c");
    tcc_add_library(s1, "os");
  }

  if (pe) {
    pe->type = pe_type;
    pe->start_sym_index = start_sym_index;
    pe->stub = s1->stub;
    pe->def = s1->def_file;
    pe->filealign = s1->filealign;
  }
}