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bin/elf: print warnings about unhandled relocs (#5193)

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Co-authored-by: Anton Kochkov <anton.kochkov@gmail.com>
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NOT XVilka 2025-06-10 12:06:18 +08:00 committed by GitHub
parent bed6ed17ae
commit 0eb6c909c2
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GPG key ID: B5690EEEBB952194
1 changed files with 31 additions and 15 deletions
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46
librz/bin/format/elf/elf_relocs_conversion.c
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@ -144,6 +144,7 @@ static RzBinReloc *reloc_convert_ifunc(ELFOBJ *bin, RzBinElfReloc *rel, RzBinRel
return reloc_convert_new(bin, rel)
#define UNHANDL(RELOC_NAME) \
RZ_LOG_WARN("Unhandled ELF reloc %d (" RELOC_NAME ")\n", rel->type); \
return reloc_convert_set(bin, rel, 0, RELOC_NAME)
#define SET(BIT_SIZE, RELOC_NAME) \
@ -165,9 +166,9 @@ static RzBinReloc *reloc_convert_intel_80386(ELFOBJ *bin, RzBinElfReloc *rel, ut
ut64 B = bin->baddr;
ut64 P = rel->vaddr;
// FIXME: Quite a few relocatons missing here.
switch (rel->type) {
case R_386_NONE: UNHANDL("R_386_NONE");
case R_386_NONE:
return reloc_convert_set(bin, rel, 0, "R_386_NONE");
case R_386_32: ADD(32, 0, "R_386_32");
case R_386_PC32: ADD(32, -P, "R_386_PC32");
case R_386_GLOB_DAT: SET(32, "R_386_GLOB_DAT");
@ -209,6 +210,8 @@ static RzBinReloc *reloc_convert_intel_80386(ELFOBJ *bin, RzBinElfReloc *rel, ut
case R_386_TLS_DESC_CALL: UNHANDL("R_386_TLS_DESC_CALL");
case R_386_TLS_DESC: UNHANDL("R_386_TLS_DESC");
case R_386_GOT32X: UNHANDL("R_386_GOT32X");
// FIXME: Quite a few relocatons missing here.
default: UNSUPP("X86_32");
}
}
@ -217,9 +220,9 @@ static RzBinReloc *reloc_convert_amd64(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT
ut64 B = bin->baddr;
ut64 P = rel->vaddr;
// FIXME: Quite a few relocatons missing here.
switch (rel->type) {
case R_X86_64_NONE: UNHANDL("R_X86_64_NONE");
case R_X86_64_NONE:
return reloc_convert_set(bin, rel, 0, "R_X86_64_NONE");
case R_X86_64_64: ADD(64, 0, "R_X86_64_64");
case R_X86_64_PLT32: ADD(32, -P /* +L */, "R_X86_64_PLT32");
case R_X86_64_GOT32: ADD(32, GOT, "R_X86_64_GOT32");
@ -260,6 +263,8 @@ static RzBinReloc *reloc_convert_amd64(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT
case R_X86_64_RELATIVE64: UNHANDL("R_X86_64_RELATIVE64");
case R_X86_64_GOTPCRELX: UNHANDL("R_X86_64_GOTPCRELX");
case R_X86_64_REX_GOTPCRELX: UNHANDL("R_X86_64_REX_GOTPCRELX");
// FIXME: Quite a few relocatons missing here.
default: UNSUPP("X86_64");
}
}
@ -269,7 +274,8 @@ static RzBinReloc *reloc_convert_arm(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT)
ut64 P = rel->vaddr;
switch (rel->type) {
case R_ARM_NONE: UNHANDL("R_ARM_NONE");
case R_ARM_NONE:
return reloc_convert_set(bin, rel, 0, "R_ARM_NONE");
case R_ARM_ABS32: ADD(32, 0, "R_ARM_ABS32");
case R_ARM_REL32: ADD(32, -P, "R_ARM_REL32");
case R_ARM_ABS16: ADD(16, 0, "R_ARM_ABS16");
@ -403,7 +409,8 @@ static RzBinReloc *reloc_convert_riscv(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT
ut64 B = bin->baddr;
switch (rel->type) {
case R_RISCV_NONE: UNHANDL("R_RISCV_NONE");
case R_RISCV_NONE:
return reloc_convert_set(bin, rel, 0, "R_RISCV_NONE");
case R_RISCV_32: ADD(32, 0, "R_RISCV_32");
case R_RISCV_64: ADD(64, 0, "R_RISCV_64");
case R_RISCV_RELATIVE: ADD(64, B, "R_RISCV_RELATIVE");
@ -467,7 +474,8 @@ static RzBinReloc *reloc_convert_aarch64(ELFOBJ *bin, RzBinElfReloc *rel, ut64 G
ut64 B = bin->baddr;
switch (rel->type) {
case R_AARCH64_NONE: UNHANDL("R_AARCH64_NONE");
case R_AARCH64_NONE:
return reloc_convert_set(bin, rel, 0, "R_AARCH64_NONE");
case R_AARCH64_ABS64: ADD(64, 0, "R_AARCH64_ABS64");
case R_AARCH64_ABS32: ADD(32, 0, "R_AARCH64_ABS32");
case R_AARCH64_ABS16: ADD(16, 0, "R_AARCH64_ABS16");
@ -595,12 +603,13 @@ static RzBinReloc *reloc_convert_aarch64(ELFOBJ *bin, RzBinElfReloc *rel, ut64 G
case R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC: UNHANDL("R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC");
case R_AARCH64_TLSLD_LDST128_DTPREL_LO12: UNHANDL("R_AARCH64_TLSLD_LDST128_DTPREL_LO12");
case R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC: UNHANDL("R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC");
case R_AARCH64_COPY: UNHANDL("R_AARCH64_COPY");
case R_AARCH64_COPY: ADD(64, 0, "R_AARCH64_COPY"); // copy symbol at runtime
case R_AARCH64_TLS_DTPMOD: UNHANDL("R_AARCH64_TLS_DTPMOD");
case R_AARCH64_TLS_DTPREL: UNHANDL("R_AARCH64_TLS_DTPREL");
case R_AARCH64_TLS_TPREL: UNHANDL("R_AARCH64_TLS_TPREL");
case R_AARCH64_TLSDESC: UNHANDL("R_AARCH64_TLSDESC");
case R_AARCH64_IRELATIVE: UNHANDL("R_AARCH64_IRELATIVE");
// FIXME: Quite a few relocations missing here
default: UNSUPP("AArch64");
}
@ -610,7 +619,8 @@ static RzBinReloc *reloc_convert_ppc(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT)
ut64 P = rel->vaddr;
switch (rel->type) {
case R_PPC_NONE: UNHANDL("R_PPC_NONE");
case R_PPC_NONE:
return reloc_convert_set(bin, rel, 0, "R_PPC_NONE");
case R_PPC_GLOB_DAT: ADD(32, 0, "R_PPC_GLOB_DAT");
case R_PPC_JMP_SLOT: ADD(32, 0, "R_PPC_JMP_SLOT");
case R_PPC_COPY: ADD(32, 0, "R_PPC_COPY"); // copy symbol at runtime
@ -714,7 +724,8 @@ static RzBinReloc *reloc_convert_ppc64(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT
ut64 P = rel->vaddr;
switch (rel->type) {
case R_PPC64_NONE: UNHANDL("R_PPC64_NONE");
case R_PPC64_NONE:
return reloc_convert_set(bin, rel, 0, "R_PPC64_NONE");
case R_PPC64_ADDR32: ADD(32, 0, "R_PPC64_ADDR32");
case R_PPC64_ADDR24: ADD(24, 0, "R_PPC64_ADDR24");
case R_PPC64_ADDR16: ADD(16, 0, "R_PPC64_ADDR16");
@ -841,7 +852,8 @@ static RzBinReloc *reloc_convert_mips(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT)
ut64 P = rel->vaddr;
switch (rel->type) {
case R_MIPS_NONE: UNHANDL("R_MIPS_NONE");
case R_MIPS_NONE:
return reloc_convert_set(bin, rel, 0, "R_MIPS_NONE");
case R_MIPS_16: ADD(16, 0, "R_MIPS_16");
case R_MIPS_32: ADD(32, 0, "R_MIPS_32");
case R_MIPS_REL32: ADD(32, -P, "R_MIPS_REL32");
@ -935,7 +947,8 @@ static RzBinReloc *reloc_convert_mips(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT)
static RzBinReloc *reloc_convert_nanomips(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT) {
switch (rel->type) {
case R_NANOMIPS_NONE: UNHANDL("R_MIPS_NONE");
case R_NANOMIPS_NONE:
return reloc_convert_set(bin, rel, 0, "R_NANOMIPS_NONE");
case R_NANOMIPS_32: ADD(32, 0, "R_NANOMIPS_32");
case R_NANOMIPS_64: ADD(64, 0, "R_NANOMIPS_64");
case R_NANOMIPS_NEG: UNHANDL("R_NANOMIPS_NEG");
@ -1014,7 +1027,8 @@ static RzBinReloc *reloc_convert_rx(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT) {
ut64 P = rel->vaddr;
switch (rel->type) {
case R_RX_NONE: UNHANDL("R_RX_NONE");
case R_RX_NONE:
return reloc_convert_set(bin, rel, 0, "R_RX_NONE");
case R_RX_DIR24S_PCREL: ADD(24, -P, "RX_DIR24S_PCREL");
case R_RX_DIR32: SET(32, "RX_DIR32");
@ -1027,7 +1041,8 @@ static RzBinReloc *reloc_convert_alpha(ELFOBJ *bin, RzBinElfReloc *rel, ut64 GOT
ut64 P = rel->vaddr;
switch (rel->type) {
case R_ALPHA_NONE: UNHANDL("R_ALPHA_NONE");
case R_ALPHA_NONE:
return reloc_convert_set(bin, rel, 0, "R_ALPHA_NONE");
case R_ALPHA_REFLONG: SET(32, "R_ALPHA_REFLONG");
case R_ALPHA_REFQUAD: SET(64, "R_ALPHA_REFQUAD");
case R_ALPHA_SREL16: ADD(16, -P, "R_ALPHA_SREL16");
@ -1046,6 +1061,8 @@ static RzBinReloc *reloc_convert_hexagon(ELFOBJ *bin, RzBinElfReloc *rel, ut64 G
ut64 P = rel->vaddr;
switch (rel->type) {
case R_HEX_NONE:
return reloc_convert_set(bin, rel, 0, "R_HEX_NONE");
case R_HEX_B22_PCREL: ADD(32, -P, "R_HEX_B22_PCREL");
case R_HEX_B15_PCREL: ADD(32, -P, "R_HEX_B15_PCREL");
case R_HEX_B7_PCREL: ADD(32, -P, "R_HEX_B7_PCREL");
@ -1087,7 +1104,6 @@ static RzBinReloc *reloc_convert_hexagon(ELFOBJ *bin, RzBinElfReloc *rel, ut64 G
case R_HEX_LD_PLT_B22_PCREL_X: ADD(32, -P, "R_HEX_LD_PLT_B22_PCREL_X");
case R_HEX_LD_PLT_B32_PCREL_X: ADD(32, -P, "R_HEX_LD_PLT_B32_PCREL_X");
case R_HEX_COPY: SET(32, "R_HEX_COPY");
case R_HEX_NONE: UNHANDL("R_HEX_NONE");
case R_HEX_RELATIVE: UNHANDL("R_HEX_RELATIVE"); // Preview not supported, patching is implemented
case R_HEX_PLT_B22_PCREL: UNHANDL("R_HEX_PLT_B22_PCREL"); // Preview not supported, patching is implemented
case R_HEX_GOT_LO16: UNHANDL("R_HEX_GOT_LO16");