Index: tools/relocation_packer/src/elf_file.cc |
diff --git a/tools/relocation_packer/src/elf_file.cc b/tools/relocation_packer/src/elf_file.cc |
index c1008f2cebe9b8dda45081634f32523eed731538..63990181aaa3ea128d85bfbaab7c509ac318f8a3 100644 |
--- a/tools/relocation_packer/src/elf_file.cc |
+++ b/tools/relocation_packer/src/elf_file.cc |
@@ -56,13 +56,13 @@ void RewriteSectionData(Elf_Data* data, |
// Verbose ELF header logging. |
void VerboseLogElfHeader(const Elf32_Ehdr* elf_header) { |
- VLOG("e_phoff = %u\n", elf_header->e_phoff); |
- VLOG("e_shoff = %u\n", elf_header->e_shoff); |
- VLOG("e_ehsize = %u\n", elf_header->e_ehsize); |
- VLOG("e_phentsize = %u\n", elf_header->e_phentsize); |
- VLOG("e_phnum = %u\n", elf_header->e_phnum); |
- VLOG("e_shnum = %u\n", elf_header->e_shnum); |
- VLOG("e_shstrndx = %u\n", elf_header->e_shstrndx); |
+ VLOG(1) << "e_phoff = " << elf_header->e_phoff; |
+ VLOG(1) << "e_shoff = " << elf_header->e_shoff; |
+ VLOG(1) << "e_ehsize = " << elf_header->e_ehsize; |
+ VLOG(1) << "e_phentsize = " << elf_header->e_phentsize; |
+ VLOG(1) << "e_phnum = " << elf_header->e_phnum; |
+ VLOG(1) << "e_shnum = " << elf_header->e_shnum; |
+ VLOG(1) << "e_shstrndx = " << elf_header->e_shstrndx; |
} |
// Verbose ELF program header logging. |
@@ -80,31 +80,31 @@ void VerboseLogProgramHeader(size_t program_header_index, |
case PT_TLS: type = "TLS"; break; |
default: type = "(OTHER)"; break; |
} |
- VLOG("phdr %lu : %s\n", program_header_index, type.c_str()); |
- VLOG(" p_offset = %u\n", program_header->p_offset); |
- VLOG(" p_vaddr = %u\n", program_header->p_vaddr); |
- VLOG(" p_paddr = %u\n", program_header->p_paddr); |
- VLOG(" p_filesz = %u\n", program_header->p_filesz); |
- VLOG(" p_memsz = %u\n", program_header->p_memsz); |
+ VLOG(1) << "phdr " << program_header_index << " : " << type; |
+ VLOG(1) << " p_offset = " << program_header->p_offset; |
+ VLOG(1) << " p_vaddr = " << program_header->p_vaddr; |
+ VLOG(1) << " p_paddr = " << program_header->p_paddr; |
+ VLOG(1) << " p_filesz = " << program_header->p_filesz; |
+ VLOG(1) << " p_memsz = " << program_header->p_memsz; |
} |
// Verbose ELF section header logging. |
void VerboseLogSectionHeader(const std::string& section_name, |
const Elf32_Shdr* section_header) { |
- VLOG("section %s\n", section_name.c_str()); |
- VLOG(" sh_addr = %u\n", section_header->sh_addr); |
- VLOG(" sh_offset = %u\n", section_header->sh_offset); |
- VLOG(" sh_size = %u\n", section_header->sh_size); |
- VLOG(" sh_addralign = %u\n", section_header->sh_addralign); |
+ VLOG(1) << "section " << section_name; |
+ VLOG(1) << " sh_addr = " << section_header->sh_addr; |
+ VLOG(1) << " sh_offset = " << section_header->sh_offset; |
+ VLOG(1) << " sh_size = " << section_header->sh_size; |
+ VLOG(1) << " sh_addralign = " << section_header->sh_addralign; |
} |
// Verbose ELF section data logging. |
void VerboseLogSectionData(const Elf_Data* data) { |
- VLOG(" data\n"); |
- VLOG(" d_buf = %p\n", data->d_buf); |
- VLOG(" d_off = %lu\n", data->d_off); |
- VLOG(" d_size = %lu\n", data->d_size); |
- VLOG(" d_align = %lu\n", data->d_align); |
+ VLOG(1) << " data"; |
+ VLOG(1) << " d_buf = " << data->d_buf; |
+ VLOG(1) << " d_off = " << data->d_off; |
+ VLOG(1) << " d_size = " << data->d_size; |
+ VLOG(1) << " d_align = " << data->d_align; |
} |
} // namespace |
@@ -120,17 +120,17 @@ bool ElfFile::Load() { |
CHECK(elf_); |
if (elf_kind(elf_) != ELF_K_ELF) { |
- LOG("ERROR: File not in ELF format\n"); |
+ LOG(ERROR) << "File not in ELF format"; |
return false; |
} |
Elf32_Ehdr* elf_header = elf32_getehdr(elf_); |
if (!elf_header) { |
- LOG("ERROR: Failed to load ELF header\n"); |
+ LOG(ERROR) << "Failed to load ELF header"; |
return false; |
} |
if (elf_header->e_machine != EM_ARM) { |
- LOG("ERROR: File is not an arm32 ELF file\n"); |
+ LOG(ERROR) << "File is not an arm32 ELF file"; |
return false; |
} |
@@ -140,7 +140,7 @@ bool ElfFile::Load() { |
CHECK(endian == ELFDATA2LSB); |
CHECK(__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__); |
- VLOG("endian = %u\n", endian); |
+ VLOG(1) << "endian = " << endian; |
VerboseLogElfHeader(elf_header); |
const Elf32_Phdr* elf_program_header = elf32_getphdr(elf_); |
@@ -208,21 +208,22 @@ bool ElfFile::Load() { |
// Loading failed if we did not find the required special sections. |
if (!found_rel_dyn_section) { |
- LOG("ERROR: Missing .rel.dyn section\n"); |
+ LOG(ERROR) << "Missing .rel.dyn section"; |
return false; |
} |
if (!found_dynamic_section) { |
- LOG("ERROR: Missing .dynamic section\n"); |
+ LOG(ERROR) << "Missing .dynamic section"; |
return false; |
} |
if (!found_android_rel_dyn_section) { |
- LOG("ERROR: Missing .android.rel.dyn section " |
- "(to fix, run with --help and follow the pre-packing instructions)\n"); |
+ LOG(ERROR) << "Missing .android.rel.dyn section " |
+ << "(to fix, run with --help and follow the pre-packing " |
+ << "instructions)"; |
return false; |
} |
if (has_debug_section) { |
- LOG("WARNING: found .debug section(s), and ignored them\n"); |
+ LOG(WARNING) << "Found .debug section(s), and ignored them"; |
} |
rel_dyn_section_ = found_rel_dyn_section; |
@@ -239,11 +240,11 @@ void AdjustElfHeaderForHole(Elf32_Ehdr* elf_header, |
int32_t hole_size) { |
if (elf_header->e_phoff > hole_start) { |
elf_header->e_phoff += hole_size; |
- VLOG("e_phoff adjusted to %u\n", elf_header->e_phoff); |
+ VLOG(1) << "e_phoff adjusted to " << elf_header->e_phoff; |
} |
if (elf_header->e_shoff > hole_start) { |
elf_header->e_shoff += hole_size; |
- VLOG("e_shoff adjusted to %u\n", elf_header->e_shoff); |
+ VLOG(1) << "e_shoff adjusted to " << elf_header->e_shoff; |
} |
} |
@@ -258,25 +259,30 @@ void AdjustProgramHeadersForHole(Elf32_Phdr* elf_program_header, |
if (program_header->p_offset > hole_start) { |
// The hole start is past this segment, so adjust offsets and addrs. |
program_header->p_offset += hole_size; |
- VLOG("phdr %lu p_offset adjusted to %u\n", i, program_header->p_offset); |
+ VLOG(1) << "phdr " << i |
+ << " p_offset adjusted to "<< program_header->p_offset; |
// Only adjust vaddr and paddr if this program header has them. |
if (program_header->p_vaddr != 0) { |
program_header->p_vaddr += hole_size; |
- VLOG("phdr %lu p_vaddr adjusted to %u\n", i, program_header->p_vaddr); |
+ VLOG(1) << "phdr " << i |
+ << " p_vaddr adjusted to " << program_header->p_vaddr; |
} |
if (program_header->p_paddr != 0) { |
program_header->p_paddr += hole_size; |
- VLOG("phdr %lu p_paddr adjusted to %u\n", i, program_header->p_paddr); |
+ VLOG(1) << "phdr " << i |
+ << " p_paddr adjusted to " << program_header->p_paddr; |
} |
} else if (program_header->p_offset + |
program_header->p_filesz > hole_start) { |
// The hole start is within this segment, so adjust file and in-memory |
// sizes, but leave offsets and addrs unchanged. |
program_header->p_filesz += hole_size; |
- VLOG("phdr %lu p_filesz adjusted to %u\n", i, program_header->p_filesz); |
+ VLOG(1) << "phdr " << i |
+ << " p_filesz adjusted to " << program_header->p_filesz; |
program_header->p_memsz += hole_size; |
- VLOG("phdr %lu p_memsz adjusted to %u\n", i, program_header->p_memsz); |
+ VLOG(1) << "phdr " << i |
+ << " p_memsz adjusted to " << program_header->p_memsz; |
} |
} |
} |
@@ -295,13 +301,13 @@ void AdjustSectionHeadersForHole(Elf* elf, |
if (section_header->sh_offset > hole_start) { |
section_header->sh_offset += hole_size; |
- VLOG("section %s sh_offset" |
- " adjusted to %u\n", name.c_str(), section_header->sh_offset); |
+ VLOG(1) << "section " << name |
+ << " sh_offset adjusted to " << section_header->sh_offset; |
// Only adjust section addr if this section has one. |
if (section_header->sh_addr != 0) { |
section_header->sh_addr += hole_size; |
- VLOG("section %s sh_addr" |
- " adjusted to %u\n", name.c_str(), section_header->sh_addr); |
+ VLOG(1) << "section " << name |
+ << " sh_addr adjusted to " << section_header->sh_addr; |
} |
} |
} |
@@ -337,8 +343,8 @@ void AdjustDynamicSectionForHole(Elf_Scn* dynamic_section, |
tag == DT_ANDROID_ARM_REL_OFFSET); |
if (is_adjustable && dynamic->d_un.d_ptr > hole_start) { |
dynamic->d_un.d_ptr += hole_size; |
- VLOG("dynamic[%lu] %u" |
- " d_ptr adjusted to %u\n", i, dynamic->d_tag, dynamic->d_un.d_ptr); |
+ VLOG(1) << "dynamic[" << i << "] " << dynamic->d_tag |
+ << " d_ptr adjusted to " << dynamic->d_un.d_ptr; |
} |
// If we are specifically resizing .rel.dyn, we need to make some added |
@@ -348,20 +354,20 @@ void AdjustDynamicSectionForHole(Elf_Scn* dynamic_section, |
// DT_RELSZ is the overall size of relocations. Adjust by hole size. |
if (tag == DT_RELSZ) { |
dynamic->d_un.d_val += hole_size; |
- VLOG("dynamic[%lu] %u" |
- " d_val adjusted to %u\n", i, dynamic->d_tag, dynamic->d_un.d_val); |
+ VLOG(1) << "dynamic[" << i << "] " << dynamic->d_tag |
+ << " d_val adjusted to " << dynamic->d_un.d_val; |
} |
- // The crazy linker does not use DT_RELCOUNT, but we keep it updated |
- // anyway. In practice the section hole is always equal to the size |
- // of R_ARM_RELATIVE relocations, and DT_RELCOUNT is the count of |
- // relative relocations. So closing a hole on packing reduces |
- // DT_RELCOUNT to zero, and opening a hole on unpacking restores it to |
- // its pre-packed value. |
+ // DT_RELCOUNT is the count of relative relocations. Packing reduces it |
+ // to the alignment padding, if any; unpacking restores it to its former |
+ // value. The crazy linker does not use it, but we update it anyway. |
if (tag == DT_RELCOUNT) { |
- dynamic->d_un.d_val += hole_size / sizeof(Elf32_Rel); |
- VLOG("dynamic[%lu] %u" |
- " d_val adjusted to %u\n", i, dynamic->d_tag, dynamic->d_un.d_val); |
+ // Cast sizeof to a signed type to avoid the division result being |
+ // promoted into an unsigned size_t. |
+ const ssize_t sizeof_rel = static_cast<ssize_t>(sizeof(Elf32_Rel)); |
+ dynamic->d_un.d_val += hole_size / sizeof_rel; |
+ VLOG(1) << "dynamic[" << i << "] " << dynamic->d_tag |
+ << " d_val adjusted to " << dynamic->d_un.d_val; |
} |
// DT_RELENT doesn't change, but make sure it is what we expect. |
@@ -399,8 +405,8 @@ void AdjustDynSymSectionForHole(Elf_Scn* dynsym_section, |
type == STT_TLS); |
if (is_adjustable && dynsym->st_value > hole_start) { |
dynsym->st_value += hole_size; |
- VLOG("dynsym[%lu] type=%u" |
- " st_value adjusted to %u\n", i, type, dynsym->st_value); |
+ VLOG(1) << "dynsym[" << i << "] type=" << type |
+ << " st_value adjusted to " << dynsym->st_value; |
} |
} |
@@ -426,7 +432,8 @@ void AdjustRelPltSectionForHole(Elf_Scn* relplt_section, |
Elf32_Rel* relplt = &relplts[i]; |
if (relplt->r_offset > hole_start) { |
relplt->r_offset += hole_size; |
- VLOG("relplt[%lu] r_offset adjusted to %u\n", i, relplt->r_offset); |
+ VLOG(1) << "relplt[" << i |
+ << "] r_offset adjusted to " << relplt->r_offset; |
} |
} |
@@ -452,7 +459,7 @@ void AdjustSymTabSectionForHole(Elf_Scn* symtab_section, |
Elf32_Sym* sym = &symtab[i]; |
if (sym->st_value > hole_start) { |
sym->st_value += hole_size; |
- VLOG("symtab[%lu] value adjusted to %u\n", i, sym->st_value); |
+ VLOG(1) << "symtab[" << i << "] value adjusted to " << sym->st_value; |
} |
} |
@@ -490,8 +497,8 @@ void ResizeSection(Elf* elf, Elf_Scn* section, size_t new_size) { |
const Elf32_Off hole_start = section_header->sh_offset; |
const int32_t hole_size = new_size - data->d_size; |
- VLOG_IF(hole_size > 0, "expand section size = %lu\n", data->d_size); |
- VLOG_IF(hole_size < 0, "shrink section size = %lu\n", data->d_size); |
+ VLOG_IF(1, (hole_size > 0)) << "expand section size = " << data->d_size; |
+ VLOG_IF(1, (hole_size < 0)) << "shrink section size = " << data->d_size; |
// Resize the data and the section header. |
data->d_size += hole_size; |
@@ -595,15 +602,14 @@ void AddDynamicEntry(Elf32_Dyn dyn, |
Elf32_Dyn &slot = dynamics->at(i); |
if (slot.d_tag == DT_NULL) { |
slot = dyn; |
- VLOG("dynamic[%lu] overwritten with %u\n", i, dyn.d_tag); |
+ VLOG(1) << "dynamic[" << i << "] overwritten with " << dyn.d_tag; |
return; |
} |
} |
// No free dynamics vector slot was found. |
- LOG("FATAL: No spare dynamic vector slots found " |
- "(to fix, increase gold's --spare-dynamic-tags value)\n"); |
- NOTREACHED(); |
+ LOG(FATAL) << "No spare dynamic vector slots found " |
+ << "(to fix, increase gold's --spare-dynamic-tags value)"; |
} |
// Remove the element in the dynamics vector that matches the given tag with |
@@ -617,7 +623,8 @@ void RemoveDynamicEntry(Elf32_Sword tag, |
if (slot.d_tag == tag) { |
for ( ; i < dynamics->size() - 1; ++i) { |
dynamics->at(i) = dynamics->at(i + 1); |
- VLOG("dynamic[%lu] overwritten with dynamic[%lu]\n", i, i + 1); |
+ VLOG(1) << "dynamic[" << i |
+ << "] overwritten with dynamic[" << i + 1 << "]"; |
} |
CHECK(dynamics->at(i).d_tag == DT_NULL); |
return; |
@@ -673,7 +680,7 @@ void AdjustRelocationTargets(Elf* elf, |
} |
*target += hole_size; |
- VLOG("relocation[%lu] target adjusted to %u\n", i, *target); |
+ VLOG(1) << "relocation[" << i << "] target adjusted to " << *target; |
} |
} |
} |
@@ -704,7 +711,8 @@ void AdjustRelocations(Elf32_Off hole_start, |
Elf32_Rel* relocation = &relocations->at(i); |
if (relocation->r_offset > hole_start) { |
relocation->r_offset += hole_size; |
- VLOG("relocation[%lu] offset adjusted to %u\n", i, relocation->r_offset); |
+ VLOG(1) << "relocation[" << i |
+ << "] offset adjusted to " << relocation->r_offset; |
} |
} |
} |
@@ -716,7 +724,7 @@ void AdjustRelocations(Elf32_Off hole_start, |
bool ElfFile::PackRelocations() { |
// Load the ELF file into libelf. |
if (!Load()) { |
- LOG("ERROR: Failed to load as ELF (elf_error=%d)\n", elf_errno()); |
+ LOG(ERROR) << "Failed to load as ELF (elf_error=" << elf_errno() << ")"; |
return false; |
} |
@@ -742,14 +750,14 @@ bool ElfFile::PackRelocations() { |
other_relocations.push_back(relocation); |
} |
} |
- LOG("R_ARM_RELATIVE: %lu entries\n", relative_relocations.size()); |
- LOG("Other : %lu entries\n", other_relocations.size()); |
- LOG("Total : %lu entries\n", relocations.size()); |
+ LOG(INFO) << "R_ARM_RELATIVE: " << relative_relocations.size() << " entries"; |
+ LOG(INFO) << "Other : " << other_relocations.size() << " entries"; |
+ LOG(INFO) << "Total : " << relocations.size() << " entries"; |
// If no relative relocations then we have nothing packable. Perhaps |
// the shared object has already been packed? |
if (relative_relocations.empty()) { |
- LOG("ERROR: No R_ARM_RELATIVE relocations found (already packed?)\n"); |
+ LOG(ERROR) << "No R_ARM_RELATIVE relocations found (already packed?)"; |
return false; |
} |
@@ -766,11 +774,11 @@ bool ElfFile::PackRelocations() { |
// Adjust the actual hole size to preserve alignment. |
hole_size -= hole_size % kPreserveAlignment; |
- LOG("Compaction : %lu bytes\n", hole_size); |
+ LOG(INFO) << "Compaction : " << hole_size << " bytes"; |
// Adjusting for alignment may have removed any packing benefit. |
if (hole_size == 0) { |
- LOG("Too few R_ARM_RELATIVE relocations to pack after alignment\n"); |
+ LOG(INFO) << "Too few R_ARM_RELATIVE relocations to pack after alignment"; |
return false; |
} |
@@ -779,7 +787,7 @@ bool ElfFile::PackRelocations() { |
CHECK(padding_bytes % sizeof(other_relocations[0]) == 0); |
const size_t required = padding_bytes / sizeof(other_relocations[0]); |
PadRelocations(required, &other_relocations); |
- LOG("Alignment pad : %lu relocations\n", required); |
+ LOG(INFO) << "Alignment pad : " << required << " relocations"; |
// Apply relocations to all R_ARM_RELATIVE data to relocate it into the |
// area it will occupy once the hole in .rel.dyn is removed. |
@@ -799,18 +807,18 @@ bool ElfFile::PackRelocations() { |
// Pack R_ARM_RELATIVE relocations. |
const size_t initial_bytes = |
relative_relocations.size() * sizeof(relative_relocations[0]); |
- LOG("Unpacked R_ARM_RELATIVE: %lu bytes\n", initial_bytes); |
+ LOG(INFO) << "Unpacked R_ARM_RELATIVE: " << initial_bytes << " bytes"; |
std::vector<uint8_t> packed; |
RelocationPacker packer; |
packer.PackRelativeRelocations(relative_relocations, &packed); |
const void* packed_data = &packed[0]; |
const size_t packed_bytes = packed.size() * sizeof(packed[0]); |
- LOG("Packed R_ARM_RELATIVE: %lu bytes\n", packed_bytes); |
+ LOG(INFO) << "Packed R_ARM_RELATIVE: " << packed_bytes << " bytes"; |
// If we have insufficient R_ARM_RELATIVE relocations to form a run then |
// packing fails. |
if (packed.empty()) { |
- LOG("Too few R_ARM_RELATIVE relocations to pack\n"); |
+ LOG(INFO) << "Too few R_ARM_RELATIVE relocations to pack"; |
return false; |
} |
@@ -825,7 +833,7 @@ bool ElfFile::PackRelocations() { |
// Make sure packing saved some space. |
if (packed_bytes >= initial_bytes) { |
- LOG("Packing R_ARM_RELATIVE relocations saves no space\n"); |
+ LOG(INFO) << "Packing R_ARM_RELATIVE relocations saves no space"; |
return false; |
} |
@@ -869,7 +877,7 @@ bool ElfFile::PackRelocations() { |
bool ElfFile::UnpackRelocations() { |
// Load the ELF file into libelf. |
if (!Load()) { |
- LOG("ERROR: Failed to load as ELF (elf_error=%d)\n", elf_errno()); |
+ LOG(ERROR) << "Failed to load as ELF (elf_error=" << elf_errno() << ")"; |
return false; |
} |
@@ -886,19 +894,19 @@ bool ElfFile::UnpackRelocations() { |
if (packed.empty() || |
packed[0] != 'A' || packed[1] != 'P' || |
packed[2] != 'R' || packed[3] != '1') { |
- LOG("ERROR: Packed R_ARM_RELATIVE relocations not found (not packed?)\n"); |
+ LOG(ERROR) << "Packed R_ARM_RELATIVE relocations not found (not packed?)"; |
return false; |
} |
// Unpack the data to re-materialize the R_ARM_RELATIVE relocations. |
const size_t packed_bytes = packed.size() * sizeof(packed[0]); |
- LOG("Packed R_ARM_RELATIVE: %lu bytes\n", packed_bytes); |
+ LOG(INFO) << "Packed R_ARM_RELATIVE: " << packed_bytes << " bytes"; |
std::vector<Elf32_Rel> relative_relocations; |
RelocationPacker packer; |
packer.UnpackRelativeRelocations(packed, &relative_relocations); |
const size_t unpacked_bytes = |
relative_relocations.size() * sizeof(relative_relocations[0]); |
- LOG("Unpacked R_ARM_RELATIVE: %lu bytes\n", unpacked_bytes); |
+ LOG(INFO) << "Unpacked R_ARM_RELATIVE: " << unpacked_bytes << " bytes"; |
// Retrieve the current .rel.dyn section data. |
data = GetSectionData(rel_dyn_section_); |
@@ -922,8 +930,8 @@ bool ElfFile::UnpackRelocations() { |
++padding; |
} |
} |
- LOG("R_ARM_RELATIVE: %lu entries\n", relative_relocations.size()); |
- LOG("Other : %lu entries\n", other_relocations.size()); |
+ LOG(INFO) << "R_ARM_RELATIVE: " << relative_relocations.size() << " entries"; |
+ LOG(INFO) << "Other : " << other_relocations.size() << " entries"; |
// If we found the same number of R_ARM_NONE entries in .rel.dyn as we |
// hold as unpacked relative relocations, then this is a padded file. |
@@ -941,7 +949,7 @@ bool ElfFile::UnpackRelocations() { |
// Adjust the hole size for the padding added to preserve alignment. |
hole_size -= padding * sizeof(other_relocations[0]); |
- LOG("Expansion : %lu bytes\n", hole_size); |
+ LOG(INFO) << "Expansion : " << hole_size << " bytes"; |
// Apply relocations to all R_ARM_RELATIVE data to relocate it into the |
// area it will occupy once the hole in .rel.dyn is opened. |
@@ -960,7 +968,7 @@ bool ElfFile::UnpackRelocations() { |
other_relocations.begin(), other_relocations.end()); |
const void* section_data = &relocations[0]; |
const size_t bytes = relocations.size() * sizeof(relocations[0]); |
- LOG("Total : %lu entries\n", relocations.size()); |
+ LOG(INFO) << "Total : " << relocations.size() << " entries"; |
ResizeSection(elf_, rel_dyn_section_, bytes); |
RewriteSectionData(data, section_data, bytes); |
@@ -999,7 +1007,7 @@ void ElfFile::Flush() { |
// Write ELF data back to disk. |
const off_t file_bytes = elf_update(elf_, ELF_C_WRITE); |
CHECK(file_bytes > 0); |
- VLOG("elf_update returned: %lu\n", file_bytes); |
+ VLOG(1) << "elf_update returned: " << file_bytes; |
// Clean up libelf, and truncate the output file to the number of bytes |
// written by elf_update(). |