diff options
Diffstat (limited to 'tools/objtool/arch/powerpc/decode.c')
| -rw-r--r-- | tools/objtool/arch/powerpc/decode.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/tools/objtool/arch/powerpc/decode.c b/tools/objtool/arch/powerpc/decode.c index 53b55690f320..c851c51d4bd3 100644 --- a/tools/objtool/arch/powerpc/decode.c +++ b/tools/objtool/arch/powerpc/decode.c @@ -55,12 +55,17 @@ int arch_decode_instruction(struct objtool_file *file, const struct section *sec switch (opcode) { case 18: /* b[l][a] */ - if ((ins & 3) == 1) /* bl */ + if (ins == 0x48000005) /* bl .+4 */ + typ = INSN_OTHER; + else if (ins & 1) /* bl[a] */ typ = INSN_CALL; + else /* b[a] */ + typ = INSN_JUMP_UNCONDITIONAL; imm = ins & 0x3fffffc; if (imm & 0x2000000) imm -= 0x4000000; + imm |= ins & 2; /* AA flag */ break; } @@ -77,6 +82,9 @@ int arch_decode_instruction(struct objtool_file *file, const struct section *sec unsigned long arch_jump_destination(struct instruction *insn) { + if (insn->immediate & 2) + return insn->immediate & ~2; + return insn->offset + insn->immediate; } @@ -106,3 +114,17 @@ void arch_initial_func_cfi_state(struct cfi_init_state *state) state->regs[CFI_RA].base = CFI_CFA; state->regs[CFI_RA].offset = 0; } + +unsigned int arch_reloc_size(struct reloc *reloc) +{ + switch (reloc_type(reloc)) { + case R_PPC_REL32: + case R_PPC_ADDR32: + case R_PPC_UADDR32: + case R_PPC_PLT32: + case R_PPC_PLTREL32: + return 4; + default: + return 8; + } +} |