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some disassembler fixes

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This commit is contained in:
kub 2022-02-22 20:52:01 +00:00
parent 7a43154813
commit 80e531d6fd
1 changed files with 20 additions and 5 deletions
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25
linux/host_dasm.c
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@ -21,6 +21,7 @@
extern char **g_argv;
static struct disassemble_info di;
static disassembler_ftype print_insn_func;
#if defined __arm__
#define print_insn_func print_insn_little_arm
@ -35,10 +36,10 @@ static struct disassemble_info di;
#elif defined __mips__
#define print_insn_func print_insn_little_mips
#define BFD_ARCH bfd_arch_mips
#define BFD_MACH bfd_mach_mipsisa32
#define BFD_MACH bfd_mach_mipsisa64r2
#define DASM_OPTS NULL
#elif defined __riscv
#define print_insn_func print_insn_riscv
//#define print_insn_func print_insn_riscv
#define BFD_ARCH bfd_arch_riscv
#define BFD_MACH bfd_mach_riscv64
#define DASM_OPTS NULL
@ -160,7 +161,7 @@ static int
dis_asm_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int len,
struct disassemble_info *info)
{
memcpy(myaddr, (void *)(long)memaddr, len);
memcpy(myaddr, (void *)memaddr, len);
return 0;
}
@ -195,10 +196,20 @@ static int insn_printf(void *f, const char *format, ...)
return n;
}
static int print_insn_hex(bfd_vma addr, struct disassemble_info *info)
{
unsigned op;
dis_asm_read_memory(addr, (bfd_byte *)&op, 4, info);
printf("%p %08lx",(void *)addr, (long)op);
return 4;
}
static void host_dasm_init(void)
{
bfd_init();
slurp_symtab(g_argv[0]);
if (g_argv && g_argv[0])
slurp_symtab(g_argv[0]);
init_disassemble_info(&di, NULL, insn_printf);
di.flavour = bfd_target_unknown_flavour;
@ -211,12 +222,16 @@ static void host_dasm_init(void)
di.endian = BFD_ENDIAN_LITTLE;
di.disassembler_options = DASM_OPTS;
disassemble_init_for_target(&di);
#ifndef print_insn_func
print_insn_func = disassembler(BFD_ARCH, 0, BFD_MACH, NULL);
if (!print_insn_func) print_insn_func = print_insn_hex;
#endif
init_done = 1;
}
void host_dasm(void *addr, int len)
{
bfd_vma vma_end, vma = (bfd_vma)(long)addr;
bfd_vma vma_end, vma = (bfd_vma)addr;
const char *name;
if (!init_done)