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Use a const line_header in macro reader 

This changes the DWARF macro reader to use a const line_header.

gdb/ChangeLog
2020-03-26  Tom Tromey  <tom@tromey.com>

	* dwarf2/read.c (dwarf_decode_macros): Make "lh" const.
	* dwarf2/macro.h (dwarf_decode_macros): Constify "lh" parameter.
	* dwarf2/macro.c (macro_start_file): Constify "lh" parameter.
	(dwarf_decode_macro_bytes, dwarf_decode_macros): Likewise.
This commit is contained in:
Tom Tromey 2020-03-26 09:28:08 -06:00
parent 8844c11b8b
commit 5a0e026fe1
4 changed files with 12 additions and 5 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2020-03-26 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (dwarf_decode_macros): Make "lh" const.
* dwarf2/macro.h (dwarf_decode_macros): Constify "lh" parameter.
* dwarf2/macro.c (macro_start_file): Constify "lh" parameter.
(dwarf_decode_macro_bytes, dwarf_decode_macros): Likewise.
2020-03-26 Tom Tromey <tom@tromey.com>
* dwarf2/line-header.h (struct line_header) <is_valid_file_index,

6
gdb/dwarf2/macro.c
View File

@ -48,7 +48,7 @@ static struct macro_source_file *
macro_start_file (buildsym_compunit *builder,
int file, int line,
struct macro_source_file *current_file,
struct line_header *lh)
const struct line_header *lh)
{
/* File name relative to the compilation directory of this source file. */
gdb::unique_xmalloc_ptr<char> file_name = lh->file_file_name (file);
@ -423,7 +423,7 @@ dwarf_decode_macro_bytes (struct dwarf2_per_objfile *dwarf2_per_objfile,
bfd *abfd,
const gdb_byte *mac_ptr, const gdb_byte *mac_end,
struct macro_source_file *current_file,
struct line_header *lh,
const struct line_header *lh,
struct dwarf2_section_info *section,
int section_is_gnu, int section_is_dwz,
unsigned int offset_size,
@ -711,7 +711,7 @@ dwarf_decode_macro_bytes (struct dwarf2_per_objfile *dwarf2_per_objfile,
void
dwarf_decode_macros (struct dwarf2_per_objfile *dwarf2_per_objfile,
buildsym_compunit *builder, dwarf2_section_info *section,
struct line_header *lh, unsigned int offset_size,
const struct line_header *lh, unsigned int offset_size,
unsigned int offset, int section_is_gnu)
{
bfd *abfd;

2
gdb/dwarf2/macro.h
View File

@ -25,7 +25,7 @@ struct buildsym_compunit;
extern void dwarf_decode_macros (struct dwarf2_per_objfile *dwarf2_per_objfile,
buildsym_compunit *builder,
dwarf2_section_info *section,
struct line_header *lh,
const struct line_header *lh,
unsigned int offset_size,
unsigned int offset,
int section_is_gnu);

2
gdb/dwarf2/read.c
View File

@ -23045,7 +23045,7 @@ dwarf_decode_macros (struct dwarf2_cu *cu, unsigned int offset,
struct dwarf2_per_objfile *dwarf2_per_objfile
= cu->per_cu->dwarf2_per_objfile;
struct objfile *objfile = dwarf2_per_objfile->objfile;
struct line_header *lh = cu->line_header;
const struct line_header *lh = cu->line_header;
unsigned int offset_size = cu->header.offset_size;
struct dwarf2_section_info *section;
const char *section_name;