目標(biāo)文件及鏈接-文庫(kù)吧
2025-12-14 14:09 本頁(yè)面
【正文】 ata 00000004 00000000 00000000 00000098 2**0 CONTENTS, ALLOC, LOAD, READONLY, DATA 4 .ment 0000002a 00000000 00000000 0000009c 2**0 CONTENTS, READONLY 5 . 00000000 00000000 00000000 000000c6 2**0 CONTENTS, READONLY 11 $ objdump s d 00000000 func1: 0: 55 push %ebp 1: 89 e5 mov %esp,%ebp 3: 83 ec 08 sub $0x8,%esp 6: 8b 45 08 mov 0x8(%ebp),%eax 9: 89 44 24 04 mov %eax,0x4(%esp) d: c7 04 24 00 00 00 00 movl $0x0,(%esp) 14: e8 fc ff ff ff call 15 func1+0x15 19: c9 leave 1a: c3 ret 0000001b main: 1b: 8d 4c 24 04 lea 0x4(%esp),%ecx 1f: 83 e4 f0 and $0xfffffff0,%esp 22: ff 71 fc pushl 0x4(%ecx) 25: 55 push %ebp 26: 89 e5 mov %esp,%ebp 28: 51 push %ecx 29: 83 ec 14 sub $0x14,%esp 2c: c7 45 f4 01 00 00 00 movl $0x1,0xc(%ebp) 33: 8b 15 04 00 00 00 mov 0x4,%edx 39: a1 00 00 00 00 mov 0x0,%eax 3e: 8d 04 02 lea (%edx,%eax,1),%eax 41: 03 45 f4 add 0xc(%ebp),%eax 44: 03 45 f8 add 0x8(%ebp),%eax 47: 89 04 24 mov %eax,(%esp) 4a: e8 fc ff ff ff call 4b main+0x30 4f: 8b 45 f4 mov 0xc(%ebp),%eax 52: 83 c4 14 add $0x14,%esp 55: 59 pop %ecx 56: 5d pop %ebp 57: 8d 61 fc lea 0x4(%ecx),%esp 5a: c3 ret 12 ELF文件結(jié)構(gòu)描述 ELF頭 .text .rodata .data .bss . . .debug .line .strtab .symtab .shstrtab 段頭表 Elf32_Ehdr e_shoff e_shentsize e_shnum e_shstrndx Elf32_Shdr sh_name sh_addr sh_offset sh_size Elf32_Sym st_name st_size st_info st_shndx 13 ELF文件頭 typedef struct { unsigned char e_ident[16]。 Elf32_Half e_type。// Elf32_Half e_machine。 Elf32_Word e_version。 Elf32_Addr e_entry。// Elf32_Off e_phoff。 Elf32_Off e
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