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LibELF+Userland: Move a few functions to Elf::Image

Browse source 
These were originally in `readelf`, but they became useful in
`file` as well, so they are now available in Elf::Image with a slightly
revised API.
This commit is contained in:
Valtteri Koskivuori 2021-10-18 02:16:33 +03:00 • committed by Andreas Kling
parent 097902bd06
commit d1adf5bc5e
3 changed files with 93 additions and 71 deletions
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54
Userland/Utilities/readelf.cpp
View file

@ -19,52 +19,6 @@
#include <stdio.h>
#include <unistd.h>
static const char* object_file_type_to_string(ElfW(Half) type)
{
switch (type) {
case ET_NONE:
return "None";
case ET_REL:
return "Relocatable";
case ET_EXEC:
return "Executable";
case ET_DYN:
return "Shared object";
case ET_CORE:
return "Core";
default:
return "(?)";
}
}
static const char* object_machine_type_to_string(ElfW(Half) type)
{
switch (type) {
case ET_NONE:
return "None";
case EM_M32:
return "AT&T WE 32100";
case EM_SPARC:
return "SPARC";
case EM_386:
return "Intel 80386";
case EM_68K:
return "Motorola 68000";
case EM_88K:
return "Motorola 88000";
case EM_486:
return "Intel 80486";
case EM_860:
return "Intel 80860";
case EM_MIPS:
return "MIPS R3000 Big-Endian only";
case EM_X86_64:
return "Advanced Micro Devices X86-64";
default:
return "(?)";
}
}
static const char* object_program_header_type_to_string(ElfW(Word) type)
{
switch (type) {
@ -414,8 +368,8 @@ int main(int argc, char** argv)
}
outln();
outln(" Type: {} ({})", header.e_type, object_file_type_to_string(header.e_type));
outln(" Machine: {} ({})", header.e_machine, object_machine_type_to_string(header.e_machine));
outln(" Type: {} ({})", header.e_type, ELF::Image::object_file_type_to_string(header.e_type).value_or("(?)"));
outln(" Machine: {} ({})", header.e_machine, ELF::Image::object_machine_type_to_string(header.e_machine).value_or("(?)"));
outln(" Version: {:#x}", header.e_version);
outln(" Entry point address: {:#x}", header.e_entry);
outln(" Start of program headers: {} (bytes into file)", header.e_phoff);
@ -463,7 +417,7 @@ int main(int argc, char** argv)
if (display_program_headers) {
if (!display_all) {
outln("ELF file type is {} ({})", header.e_type, object_file_type_to_string(header.e_type));
outln("ELF file type is {} ({})", header.e_type, ELF::Image::object_file_type_to_string(header.e_type).value_or("(?)"));
outln("Entry point {:#x}\n", header.e_entry);
outln("There are {} program headers, starting at offset {}", header.e_phnum, header.e_phoff);
outln();
@ -586,7 +540,7 @@ int main(int argc, char** argv)
if (display_unwind_info) {
// TODO: Unwind info
outln("Decoding of unwind sections for machine type {} is not supported.", object_machine_type_to_string(header.e_machine));
outln("Decoding of unwind sections for machine type {} is not supported.", ELF::Image::object_machine_type_to_string(header.e_machine).value_or("?"));
outln();
}