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* dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,

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Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
This commit is contained in:
David S. Miller 2008-04-03 04:18:53 +00:00
parent 70752818b0
commit deae2a14a0
2 changed files with 12 additions and 7 deletions
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5
gold/ChangeLog
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@ -1,3 +1,8 @@
2008-04-02 David S. Miller <davem@davemloft.net>
* dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2008-04-02 Craig Silverstein <csilvers@google.com> 2008-04-02 Craig Silverstein <csilvers@google.com>
* TODO: New file. * TODO: New file.

14
gold/dwarf_reader.cc
View file

@ -185,7 +185,7 @@ const unsigned char*
Sized_dwarf_line_info<size, big_endian>::read_header_prolog( Sized_dwarf_line_info<size, big_endian>::read_header_prolog(
const unsigned char* lineptr) const unsigned char* lineptr)
{ {
uint32_t initial_length = elfcpp::Swap<32, big_endian>::readval(lineptr); uint32_t initial_length = elfcpp::Swap_unaligned<32, big_endian>::readval(lineptr);
lineptr += 4; lineptr += 4;
// In DWARF2/3, if the initial length is all 1 bits, then the offset // In DWARF2/3, if the initial length is all 1 bits, then the offset
@ -193,7 +193,7 @@ Sized_dwarf_line_info<size, big_endian>::read_header_prolog(
if (initial_length == 0xffffffff) if (initial_length == 0xffffffff)
{ {
header_.offset_size = 8; header_.offset_size = 8;
initial_length = elfcpp::Swap<64, big_endian>::readval(lineptr); initial_length = elfcpp::Swap_unaligned<64, big_endian>::readval(lineptr);
lineptr += 8; lineptr += 8;
} }
else else
@ -203,13 +203,13 @@ Sized_dwarf_line_info<size, big_endian>::read_header_prolog(
gold_assert(lineptr + header_.total_length <= buffer_end_); gold_assert(lineptr + header_.total_length <= buffer_end_);
header_.version = elfcpp::Swap<16, big_endian>::readval(lineptr); header_.version = elfcpp::Swap_unaligned<16, big_endian>::readval(lineptr);
lineptr += 2; lineptr += 2;
if (header_.offset_size == 4) if (header_.offset_size == 4)
header_.prologue_length = elfcpp::Swap<32, big_endian>::readval(lineptr); header_.prologue_length = elfcpp::Swap_unaligned<32, big_endian>::readval(lineptr);
else else
header_.prologue_length = elfcpp::Swap<64, big_endian>::readval(lineptr); header_.prologue_length = elfcpp::Swap_unaligned<64, big_endian>::readval(lineptr);
lineptr += header_.offset_size; lineptr += header_.offset_size;
header_.min_insn_length = *lineptr; header_.min_insn_length = *lineptr;
@ -394,7 +394,7 @@ Sized_dwarf_line_info<size, big_endian>::process_one_opcode(
case elfcpp::DW_LNS_fixed_advance_pc: case elfcpp::DW_LNS_fixed_advance_pc:
{ {
int advance_address; int advance_address;
advance_address = elfcpp::Swap<16, big_endian>::readval(start); advance_address = elfcpp::Swap_unaligned<16, big_endian>::readval(start);
oplen += 2; oplen += 2;
lsm->address += advance_address; lsm->address += advance_address;
} }
@ -432,7 +432,7 @@ Sized_dwarf_line_info<size, big_endian>::process_one_opcode(
case elfcpp::DW_LNE_set_address: case elfcpp::DW_LNE_set_address:
{ {
lsm->address = elfcpp::Swap<size, big_endian>::readval(start); lsm->address = elfcpp::Swap_unaligned<size, big_endian>::readval(start);
typename Reloc_map::const_iterator it typename Reloc_map::const_iterator it
= reloc_map_.find(start - this->buffer_); = reloc_map_.find(start - this->buffer_);
if (it != reloc_map_.end()) if (it != reloc_map_.end())