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author | Paul Brook <paul@codesourcery.com> | 2007-08-18 15:15:39 +0000 |
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committer | Joseph Myers <jsm28@gcc.gnu.org> | 2007-08-18 16:15:39 +0100 |
commit | c8aea42ce2c691e4e891476c456f4650d3757810 (patch) | |
tree | 2e4cb7ceb95c3ce97266450ff573e6d60f7ba70d /gcc/final.c | |
parent | 9e1d712c405048f18f246c974865777971c8be16 (diff) | |
download | gcc-c8aea42ce2c691e4e891476c456f4650d3757810.zip gcc-c8aea42ce2c691e4e891476c456f4650d3757810.tar.gz gcc-c8aea42ce2c691e4e891476c456f4650d3757810.tar.bz2 |
Makefile.tpl (DEBUG_PREFIX_CFLAGS_FOR_TARGET): New.
2007-08-18 Paul Brook <paul@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* Makefile.tpl (DEBUG_PREFIX_CFLAGS_FOR_TARGET): New.
(CFLAGS_FOR_TARGET, CXXFLAGS_FOR_TARGET): Include it.
* Makefile.in: Regenerate.
* configure.ac (--with-debug-prefix-map): New.
* configure: Regenerate.
config:
2007-08-18 Paul Brook <paul@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* mt-gnu (CXXFLAGS_FOR_TARGET): Add
$(DEBUG_PREFIX_CFLAGS_FOR_TARGET).
gcc:
2007-08-18 Paul Brook <paul@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* common.opt (-fdebug-prefix-map=): New option.
* opts.c: Include debug.h.
(common_handle_option): Handle -fdebug-prefix-map.
* final.c: Include ggc.h.
(struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
remap_debug_filename): New.
* Makefile.in (final.o, opts.o): Update dependencies.
* debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
* configure.ac: Check for assembler --debug-prefix-map support.
* configure, config.in: Regenerate.
* gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
(ASM_DEBUG_SPEC): Include ASM_MAP.
* doc/install.texi (--with-debug-prefix-map): Document.
* doc/invoke.texi (-fdebug-prefix-map): Document.
* dbxout.c (dbxout_init, dbxout_start_source_file,
dbxout_source_file): Call remap_debug_filename.
* dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
dwarf2out_start_source_file, dwarf2out_finish): Call
remap_debug_filename.
(file_table_relative_p): Do not check d->emitted_number.
* toplev.c (output_file_directive): Call remap_debug_filename.
* vmsdbgout.c (write_srccorr): Call remap_debug_filename.
* xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
From-SVN: r127613
Diffstat (limited to 'gcc/final.c')
-rw-r--r-- | gcc/final.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/final.c b/gcc/final.c index 759bf10..008a773 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -77,6 +77,7 @@ along with GCC; see the file COPYING3. If not see #include "coverage.h" #include "df.h" #include "vecprim.h" +#include "ggc.h" #ifdef XCOFF_DEBUGGING_INFO #include "xcoffout.h" /* Needed for external data @@ -1350,6 +1351,72 @@ asm_insn_count (rtx body) } #endif +/* ??? This is probably the wrong place for these. */ +/* Structure recording the mapping from source file and directory + names at compile time to those to be embedded in debug + information. */ +typedef struct debug_prefix_map +{ + const char *old_prefix; + const char *new_prefix; + size_t old_len; + size_t new_len; + struct debug_prefix_map *next; +} debug_prefix_map; + +/* Linked list of such structures. */ +debug_prefix_map *debug_prefix_maps; + + +/* Record a debug file prefix mapping. ARG is the argument to + -fdebug-prefix-map and must be of the form OLD=NEW. */ + +void +add_debug_prefix_map (const char *arg) +{ + debug_prefix_map *map; + const char *p; + + p = strchr (arg, '='); + if (!p) + { + error ("invalid argument %qs to -fdebug-prefix-map", arg); + return; + } + map = XNEW (debug_prefix_map); + map->old_prefix = ggc_alloc_string (arg, p - arg); + map->old_len = p - arg; + p++; + map->new_prefix = ggc_strdup (p); + map->new_len = strlen (p); + map->next = debug_prefix_maps; + debug_prefix_maps = map; +} + +/* Perform user-specified mapping of debug filename prefixes. Return + the new name corresponding to FILENAME. */ + +const char * +remap_debug_filename (const char *filename) +{ + debug_prefix_map *map; + char *s; + const char *name; + size_t name_len; + + for (map = debug_prefix_maps; map; map = map->next) + if (strncmp (filename, map->old_prefix, map->old_len) == 0) + break; + if (!map) + return filename; + name = filename + map->old_len; + name_len = strlen (name) + 1; + s = (char *) alloca (name_len + map->new_len); + memcpy (s, map->new_prefix, map->new_len); + memcpy (s + map->new_len, name, name_len); + return ggc_strdup (s); +} + /* Output assembler code for the start of a function, and initialize some of the variables in this file for the new function. The label for the function and associated |