#include "parameters.h"
#include "reloc.h"
#include "dwarf_reader.h"
+#include "int_encoding.h"
+#include "compressed_output.h"
namespace gold {
-// Read an unsigned LEB128 number. Each byte contains 7 bits of
-// information, plus one bit saying whether the number continues or
-// not.
-
-uint64_t
-read_unsigned_LEB_128(const unsigned char* buffer, size_t* len)
-{
- uint64_t result = 0;
- size_t num_read = 0;
- unsigned int shift = 0;
- unsigned char byte;
-
- do
- {
- if (num_read >= 64 / 7)
- {
- gold_warning(_("Unusually large LEB128 decoded, "
- "debug information may be corrupted"));
- break;
- }
- byte = *buffer++;
- num_read++;
- result |= (static_cast<uint64_t>(byte & 0x7f)) << shift;
- shift += 7;
- }
- while (byte & 0x80);
-
- *len = num_read;
-
- return result;
-}
-
-// Read a signed LEB128 number. These are like regular LEB128
-// numbers, except the last byte may have a sign bit set.
-
-int64_t
-read_signed_LEB_128(const unsigned char* buffer, size_t* len)
-{
- int64_t result = 0;
- int shift = 0;
- size_t num_read = 0;
- unsigned char byte;
-
- do
- {
- if (num_read >= 64 / 7)
- {
- gold_warning(_("Unusually large LEB128 decoded, "
- "debug information may be corrupted"));
- break;
- }
- byte = *buffer++;
- num_read++;
- result |= (static_cast<uint64_t>(byte & 0x7f) << shift);
- shift += 7;
- }
- while (byte & 0x80);
-
- if ((shift < 8 * static_cast<int>(sizeof(result))) && (byte & 0x40))
- result |= -((static_cast<int64_t>(1)) << shift);
- *len = num_read;
- return result;
-}
-
-// This is the format of a DWARF2/3 line state machine that we process
-// opcodes using. There is no need for anything outside the lineinfo
-// processor to know how this works.
-
struct LineStateMachine
{
int file_num;
if (this->buffer_ == NULL)
return;
+ section_size_type uncompressed_size = 0;
+ unsigned char* uncompressed_data = NULL;
+ if (object->section_is_compressed(debug_shndx, &uncompressed_size))
+ {
+ uncompressed_data = new unsigned char[uncompressed_size];
+ if (!decompress_input_section(this->buffer_,
+ this->buffer_end_ - this->buffer_,
+ uncompressed_data,
+ uncompressed_size))
+ object->error(_("could not decompress section %s"),
+ object->section_name(debug_shndx).c_str());
+ this->buffer_ = uncompressed_data;
+ this->buffer_end_ = this->buffer_ + uncompressed_size;
+ }
+
// Find the relocation section for ".debug_line".
// We expect these for relobjs (.o's) but not dynobjs (.so's).
bool got_relocs = false;