X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=disas.c;h=04ea653552bc4ceaad37119f3147178dfb5cc7f0;hb=768a4a36a444ef5aef1f103adf42553eadfe4614;hp=8bba624465e9ee18d9ae19064b134c9696de7db2;hpb=fa15e030bfd9dfa00530ed1a0d5d9d315a5a591a;p=qemu diff --git a/disas.c b/disas.c index 8bba624..04ea653 100644 --- a/disas.c +++ b/disas.c @@ -58,7 +58,7 @@ perror_memory (status, memaddr, info) /* Actually, address between memaddr and memaddr + len was out of bounds. */ (*info->fprintf_func) (info->stream, - "Address 0x%llx is out of bounds.\n", memaddr); + "Address 0x%" PRIx64 " is out of bounds.\n", memaddr); } /* This could be in a separate file, to save miniscule amounts of space @@ -73,7 +73,7 @@ generic_print_address (addr, info) bfd_vma addr; struct disassemble_info *info; { - (*info->fprintf_func) (info->stream, "0x%llx", addr); + (*info->fprintf_func) (info->stream, "0x%" PRIx64, addr); } /* Just return the given address. */ @@ -108,8 +108,39 @@ bfd_vma bfd_getb32 (const bfd_byte *addr) return (bfd_vma) v; } -/* Disassemble this for me please... (debugging). 'flags' is only used - for i386: non zero means 16 bit code */ +bfd_vma bfd_getl16 (const bfd_byte *addr) +{ + unsigned long v; + + v = (unsigned long) addr[0]; + v |= (unsigned long) addr[1] << 8; + return (bfd_vma) v; +} + +bfd_vma bfd_getb16 (const bfd_byte *addr) +{ + unsigned long v; + + v = (unsigned long) addr[0] << 24; + v |= (unsigned long) addr[1] << 16; + return (bfd_vma) v; +} + +#ifdef TARGET_ARM +static int +print_insn_thumb1(bfd_vma pc, disassemble_info *info) +{ + return print_insn_arm(pc | 1, info); +} +#endif + +/* Disassemble this for me please... (debugging). 'flags' has teh following + values: + i386 - nonzero means 16 bit code + arm - nonzero means thumb code + ppc - nonzero means little endian + other targets - unused + */ void target_disas(FILE *out, target_ulong code, target_ulong size, int flags) { target_ulong pc; @@ -137,13 +168,40 @@ void target_disas(FILE *out, target_ulong code, target_ulong size, int flags) disasm_info.mach = bfd_mach_i386_i386; print_insn = print_insn_i386; #elif defined(TARGET_ARM) - print_insn = print_insn_arm; + if (flags) + print_insn = print_insn_thumb1; + else + print_insn = print_insn_arm; #elif defined(TARGET_SPARC) print_insn = print_insn_sparc; +#ifdef TARGET_SPARC64 + disasm_info.mach = bfd_mach_sparc_v9b; +#endif #elif defined(TARGET_PPC) + if (flags) + disasm_info.endian = BFD_ENDIAN_LITTLE; +#ifdef TARGET_PPC64 + disasm_info.mach = bfd_mach_ppc64; +#else + disasm_info.mach = bfd_mach_ppc; +#endif print_insn = print_insn_ppc; +#elif defined(TARGET_M68K) + print_insn = print_insn_m68k; +#elif defined(TARGET_MIPS) +#ifdef TARGET_WORDS_BIGENDIAN + print_insn = print_insn_big_mips; #else - fprintf(out, "Asm output not supported on this arch\n"); + print_insn = print_insn_little_mips; +#endif +#elif defined(TARGET_M68K) + print_insn = print_insn_m68k; +#elif defined(TARGET_SH4) + disasm_info.mach = bfd_mach_sh4; + print_insn = print_insn_sh; +#else + fprintf(out, "0x" TARGET_FMT_lx + ": Asm output not supported on this arch\n", code); return; #endif @@ -201,18 +259,23 @@ void disas(FILE *out, void *code, unsigned long size) print_insn = print_insn_sparc; #elif defined(__arm__) print_insn = print_insn_arm; +#elif defined(__MIPSEB__) + print_insn = print_insn_big_mips; +#elif defined(__MIPSEL__) + print_insn = print_insn_little_mips; +#elif defined(__m68k__) + print_insn = print_insn_m68k; #else - fprintf(out, "Asm output not supported on this arch\n"); + fprintf(out, "0x%lx: Asm output not supported on this arch\n", + (long) code); return; #endif for (pc = (unsigned long)code; pc < (unsigned long)code + size; pc += count) { fprintf(out, "0x%08lx: ", pc); #ifdef __arm__ - /* since data are included in the code, it is better to + /* since data is included in the code, it is better to display code data too */ - if (is_host) { - fprintf(out, "%08x ", (int)bfd_getl32((const bfd_byte *)pc)); - } + fprintf(out, "%08x ", (int)bfd_getl32((const bfd_byte *)pc)); #endif count = print_insn(pc, &disasm_info); fprintf(out, "\n"); @@ -228,6 +291,7 @@ const char *lookup_symbol(target_ulong orig_addr) /* Hack, because we know this is x86. */ Elf32_Sym *sym; struct syminfo *s; + target_ulong addr; for (s = syminfos; s; s = s->next) { sym = s->disas_symtab; @@ -239,8 +303,13 @@ const char *lookup_symbol(target_ulong orig_addr) if (ELF_ST_TYPE(sym[i].st_info) != STT_FUNC) continue; - if (orig_addr >= sym[i].st_value - && orig_addr < sym[i].st_value + sym[i].st_size) + addr = sym[i].st_value; +#ifdef TARGET_ARM + /* The bottom address bit marks a Thumb symbol. */ + addr &= ~(target_ulong)1; +#endif + if (orig_addr >= addr + && orig_addr < addr + sym[i].st_size) return s->disas_strtab + sym[i].st_name; } } @@ -253,6 +322,7 @@ void term_vprintf(const char *fmt, va_list ap); void term_printf(const char *fmt, ...); static int monitor_disas_is_physical; +static CPUState *monitor_disas_env; static int monitor_read_memory (memaddr, myaddr, length, info) @@ -264,7 +334,7 @@ monitor_read_memory (memaddr, myaddr, length, 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); + cpu_memory_rw_debug(monitor_disas_env, memaddr,myaddr, length, 0); } return 0; } @@ -278,7 +348,8 @@ static int monitor_fprintf(FILE *stream, const char *fmt, ...) return 0; } -void monitor_disas(target_ulong pc, int nb_insn, int is_physical, int flags) +void monitor_disas(CPUState *env, + target_ulong pc, int nb_insn, int is_physical, int flags) { int count, i; struct disassemble_info disasm_info; @@ -286,6 +357,7 @@ void monitor_disas(target_ulong pc, int nb_insn, int is_physical, int flags) INIT_DISASSEMBLE_INFO(disasm_info, NULL, monitor_fprintf); + monitor_disas_env = env; monitor_disas_is_physical = is_physical; disasm_info.read_memory_func = monitor_read_memory; @@ -309,9 +381,25 @@ void monitor_disas(target_ulong pc, int nb_insn, int is_physical, int flags) #elif defined(TARGET_SPARC) print_insn = print_insn_sparc; #elif defined(TARGET_PPC) +#ifdef TARGET_PPC64 + disasm_info.mach = bfd_mach_ppc64; +#else + disasm_info.mach = bfd_mach_ppc; +#endif print_insn = print_insn_ppc; +#elif defined(TARGET_M68K) + print_insn = print_insn_m68k; +#elif defined(TARGET_MIPS) +#ifdef TARGET_WORDS_BIGENDIAN + print_insn = print_insn_big_mips; +#else + print_insn = print_insn_little_mips; +#endif +#elif defined(TARGET_M68K) + print_insn = print_insn_m68k; #else - term_printf("Asm output not supported on this arch\n"); + term_printf("0x" TARGET_FMT_lx + ": Asm output not supported on this arch\n", pc); return; #endif