LibELF: Convert dbgprintf() in DynamicObject class to dbgln()

This commit is contained in:
Andreas Kling 2021-01-25 11:56:08 +01:00
parent 98e4e2aae3
commit c5e52be5d4
Notes: sideshowbarker 2024-07-18 22:52:12 +09:00

View file

@ -25,6 +25,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Debug.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <LibELF/DynamicLinker.h>
@ -33,14 +34,6 @@
#include <stdio.h>
#include <string.h>
#ifdef DYNAMIC_OBJECT_VERBOSE
# define VERBOSE(fmt, ...) dbgprintf(fmt, ##__VA_ARGS__)
#else
# define VERBOSE(fmt, ...) \
do { \
} while (0)
#endif
namespace ELF {
static const char* name_for_dtag(Elf32_Sword d_tag);
@ -80,8 +73,8 @@ void DynamicObject::dump() const
if (m_has_soname)
builder.appendf("DT_SONAME: %s\n", soname()); // FIXME: Valdidate that this string is null terminated?
VERBOSE("Dynamic section at address %p contains %zu entries:\n", m_dynamic_address.as_ptr(), num_dynamic_sections);
VERBOSE("%s", builder.to_string().characters());
dbgln<DYNAMIC_LOAD_DEBUG>("Dynamic section at address {} contains {} entries:", m_dynamic_address.as_ptr(), num_dynamic_sections);
dbgln<DYNAMIC_LOAD_DEBUG>("{}", builder.string_view());
}
void DynamicObject::parse()
@ -175,8 +168,7 @@ void DynamicObject::parse()
// We handle these in for_each_needed_library
break;
default:
dbgprintf("DynamicObject: DYNAMIC tag handling not implemented for DT_%s\n", name_for_dtag(entry.tag()));
printf("DynamicObject: DYNAMIC tag handling not implemented for DT_%s\n", name_for_dtag(entry.tag()));
dbgln("DynamicObject: DYNAMIC tag handling not implemented for DT_{}", name_for_dtag(entry.tag()));
ASSERT_NOT_REACHED(); // FIXME: Maybe just break out here and return false?
break;
}
@ -311,7 +303,7 @@ const DynamicObject::Symbol DynamicObject::HashSection::lookup_elf_symbol(const
for (u32 i = buckets[hash_value % num_buckets]; i; i = chains[i]) {
auto symbol = m_dynamic.symbol(i);
if (strcmp(name, symbol.name()) == 0) {
VERBOSE("Returning SYSV dynamic symbol with index %u for %s: %p\n", i, symbol.name(), symbol.address().as_ptr());
dbgln<DYNAMIC_LOAD_DEBUG>("Returning SYSV dynamic symbol with index {} for {}: {}", i, symbol.name(), symbol.address().as_ptr());
return symbol;
}
}
@ -356,7 +348,7 @@ const DynamicObject::Symbol DynamicObject::HashSection::lookup_gnu_symbol(const
hash2 = *(current_chain++);
const auto symbol = m_dynamic.symbol(current_sym);
if ((hash1 == (hash2 & ~1)) && strcmp(name, symbol.name()) == 0) {
VERBOSE("Returning GNU dynamic symbol with index %zu for %s: %p\n", current_sym, symbol.name(), symbol.address().as_ptr());
dbgln<DYNAMIC_LOAD_DEBUG>("Returning GNU dynamic symbol with index {} for {}: {}", current_sym, symbol.name(), symbol.address().as_ptr());
return symbol;
}
if (hash2 & 1) {
@ -502,7 +494,7 @@ Elf32_Addr DynamicObject::patch_plt_entry(u32 relocation_offset)
u32 symbol_location = res.address;
VERBOSE("DynamicLoader: Jump slot relocation: putting %s (%p) into PLT at %p\n", sym.name(), (void*)symbol_location, (void*)relocation_address);
dbgln<DYNAMIC_LOAD_DEBUG>("DynamicLoader: Jump slot relocation: putting {} ({:p}) into PLT at {}", sym.name(), symbol_location, (void*)relocation_address);
*(u32*)relocation_address = symbol_location;
@ -511,12 +503,12 @@ Elf32_Addr DynamicObject::patch_plt_entry(u32 relocation_offset)
DynamicObject::SymbolLookupResult DynamicObject::lookup_symbol(const ELF::DynamicObject::Symbol& symbol) const
{
VERBOSE("looking up symbol: %s\n", symbol.name());
dbgln<DYNAMIC_LOAD_DEBUG>("looking up symbol: {}", symbol.name());
if (symbol.is_undefined() || symbol.bind() == STB_WEAK)
return DynamicLinker::lookup_global_symbol(symbol.name());
if (!symbol.is_undefined()) {
VERBOSE("symbol is defined in its object\n");
dbgln<DYNAMIC_LOAD_DEBUG>("symbol is defined in its object");
return { true, symbol.value(), (FlatPtr)symbol.address().as_ptr(), symbol.bind(), &symbol.object() };
}
return DynamicLinker::lookup_global_symbol(symbol.name());