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LibELF+readelf: Remove duplicated dtag->string map

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A copy of the same mapping was found both in LibELF and in the readelf
utility, which uses LibELF; keeping them both is redundant and removing
the duplicate saves (a bit of) space.
This commit is contained in:
Rodrigo Tobar 2021-09-25 22:40:51 +08:00 • committed by Andreas Kling
parent 93f62384f5
commit 3efd7b458a
3 changed files with 3 additions and 96 deletions
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94
Userland/Utilities/readelf.cpp
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@ -268,98 +268,6 @@ static const char* object_relocation_type_to_string(ElfW(Word) type)
}
}
static const char* object_tag_to_string(ElfW(Sword) dt_tag)
{
switch (dt_tag) {
case DT_NULL:
return "NULL"; /* marks end of _DYNAMIC array */
case DT_NEEDED:
return "NEEDED"; /* string table offset of needed lib */
case DT_PLTRELSZ:
return "PLTRELSZ"; /* size of relocation entries in PLT */
case DT_PLTGOT:
return "PLTGOT"; /* address PLT/GOT */
case DT_HASH:
return "HASH"; /* address of symbol hash table */
case DT_STRTAB:
return "STRTAB"; /* address of string table */
case DT_SYMTAB:
return "SYMTAB"; /* address of symbol table */
case DT_RELA:
return "RELA"; /* address of relocation table */
case DT_RELASZ:
return "RELASZ"; /* size of relocation table */
case DT_RELAENT:
return "RELAENT"; /* size of relocation entry */
case DT_STRSZ:
return "STRSZ"; /* size of string table */
case DT_SYMENT:
return "SYMENT"; /* size of symbol table entry */
case DT_INIT:
return "INIT"; /* address of initialization func. */
case DT_FINI:
return "FINI"; /* address of termination function */
case DT_SONAME:
return "SONAME"; /* string table offset of shared obj */
case DT_RPATH:
return "RPATH"; /* string table offset of library search path */
case DT_SYMBOLIC:
return "SYMBOLIC"; /* start sym search in shared obj. */
case DT_REL:
return "REL"; /* address of rel. tbl. w addends */
case DT_RELSZ:
return "RELSZ"; /* size of DT_REL relocation table */
case DT_RELENT:
return "RELENT"; /* size of DT_REL relocation entry */
case DT_PLTREL:
return "PLTREL"; /* PLT referenced relocation entry */
case DT_DEBUG:
return "DEBUG"; /* bugger */
case DT_TEXTREL:
return "TEXTREL"; /* Allow rel. mod. to unwritable seg */
case DT_JMPREL:
return "JMPREL"; /* add. of PLT's relocation entries */
case DT_BIND_NOW:
return "BIND_NOW"; /* Bind now regardless of env setting */
case DT_INIT_ARRAY:
return "INIT_ARRAY"; /* address of array of init func */
case DT_FINI_ARRAY:
return "FINI_ARRAY"; /* address of array of term func */
case DT_INIT_ARRAYSZ:
return "INIT_ARRAYSZ"; /* size of array of init func */
case DT_FINI_ARRAYSZ:
return "FINI_ARRAYSZ"; /* size of array of term func */
case DT_RUNPATH:
return "RUNPATH"; /* strtab offset of lib search path */
case DT_FLAGS:
return "FLAGS"; /* Set of DF_* flags */
case DT_ENCODING:
return "ENCODING"; /* further DT_* follow encoding rules */
case DT_PREINIT_ARRAY:
return "PREINIT_ARRAY"; /* address of array of preinit func */
case DT_PREINIT_ARRAYSZ:
return "PREINIT_ARRAYSZ"; /* size of array of preinit func */
case DT_LOOS:
return "LOOS"; /* reserved range for OS */
case DT_HIOS:
return "HIOS"; /* specific dynamic array tags */
case DT_LOPROC:
return "LOPROC"; /* reserved range for processor */
case DT_HIPROC:
return "HIPROC"; /* specific dynamic array tags */
case DT_GNU_HASH:
return "GNU_HASH"; /* address of GNU hash table */
case DT_RELACOUNT:
return "RELACOUNT"; /* if present, number of RELATIVE */
case DT_RELCOUNT:
return "RELCOUNT"; /* relocs, which must come first */
case DT_FLAGS_1:
return "FLAGS_1";
default:
return "??";
}
}
int main(int argc, char** argv)
{
if (pledge("stdio rpath", nullptr) < 0) {
@ -616,7 +524,7 @@ int main(int argc, char** argv)
outln(" Tag Type Name / Value");
object->for_each_dynamic_entry([&library_index, &libraries, &object](const ELF::DynamicObject::DynamicEntry& entry) {
out(" {:#08x} ", entry.tag());
out("{:17} ", object_tag_to_string(entry.tag()));
out("{:17} ", ELF::DynamicObject::name_for_dtag(entry.tag()));
if (entry.tag() == DT_NEEDED) {
outln("Shared library: {}", libraries[library_index]);