diff options
Diffstat (limited to 'disas.c')
| -rw-r--r-- | disas.c | 70 |
1 files changed, 69 insertions, 1 deletions
@@ -1,12 +1,12 @@ /* General "disassemble this chunk" code. Used for debugging. */ #include "config.h" #include "dis-asm.h" -#include "disas.h" #include "elf.h" #include <errno.h> #include "cpu.h" #include "exec-all.h" +#include "disas.h" /* Filled in by elfload.c. Simplistic, but will do for now. */ unsigned int disas_num_syms; @@ -219,3 +219,71 @@ const char *lookup_symbol(void *orig_addr) } return ""; } + +#if !defined(CONFIG_USER_ONLY) + +static int monitor_disas_is_physical; + +static int +monitor_read_memory (memaddr, myaddr, length, info) + bfd_vma memaddr; + bfd_byte *myaddr; + int length; + struct disassemble_info *info; +{ + if (monitor_disas_is_physical) { + cpu_physical_memory_rw(memaddr, myaddr, length, 0); + } else { + cpu_memory_rw_debug(cpu_single_env, memaddr,myaddr, length, 0); + } + return 0; +} + +void monitor_disas(target_ulong pc, int nb_insn, int is_physical, int flags) +{ + FILE *out; + int count, i; + struct disassemble_info disasm_info; + int (*print_insn)(bfd_vma pc, disassemble_info *info); + + out = stdout; + + INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf); + + monitor_disas_is_physical = is_physical; + disasm_info.read_memory_func = monitor_read_memory; + + disasm_info.buffer_vma = pc; + +#ifdef TARGET_WORDS_BIGENDIAN + disasm_info.endian = BFD_ENDIAN_BIG; +#else + disasm_info.endian = BFD_ENDIAN_LITTLE; +#endif +#if defined(TARGET_I386) + if (!flags) + disasm_info.mach = bfd_mach_i386_i386; + else + disasm_info.mach = bfd_mach_i386_i8086; + print_insn = print_insn_i386; +#elif defined(TARGET_ARM) + print_insn = print_insn_arm; +#elif defined(TARGET_SPARC) + print_insn = print_insn_sparc; +#elif defined(TARGET_PPC) + print_insn = print_insn_ppc; +#else + fprintf(out, "Asm output not supported on this arch\n"); + return; +#endif + + for(i = 0; i < nb_insn; i++) { + fprintf(out, "0x%08lx: ", (unsigned long)pc); + count = print_insn(pc, &disasm_info); + fprintf(out, "\n"); + if (count < 0) + break; + pc += count; + } +} +#endif |