diff options
Diffstat (limited to 'gcc/gcc.c')
| -rw-r--r-- | gcc/gcc.c | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c index bbca6d84e33..a795981f002 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -267,6 +267,7 @@ static const char *compare_debug_dump_opt_spec_function (int, const char **); static const char *compare_debug_self_opt_spec_function (int, const char **); static const char *compare_debug_auxbase_opt_spec_function (int, const char **); static const char *pass_through_libs_spec_func (int, const char **); +static const char *replace_extension_spec_func (int, const char **); /* The Specs Language @@ -447,7 +448,7 @@ ignored. White space may also appear anywhere on the left side of the colon in these constructs, except between . or * and the corresponding word. -The -O, -f, -m, and -W switches are handled specifically in these +The -O, -f, -g, -m, and -W switches are handled specifically in these constructs. If another value of -O or the negated form of a -f, -m, or -W switch is found later in the command line, the earlier switch value is ignored, except with {S*} where S is just one letter; this @@ -480,7 +481,14 @@ proper position among the other output files. */ /* config.h can define ASM_FINAL_SPEC to run a post processor after the assembler has run. */ #ifndef ASM_FINAL_SPEC -#define ASM_FINAL_SPEC "" +#define ASM_FINAL_SPEC \ + "%{gsplit-dwarf: \n\ + objcopy --extract-dwo \ + %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ + %{c:%{o*:%:replace-extension(%{o*:%*} .dwo)}%{!o*:%b.dwo}}%{!c:%b.dwo} \n\ + objcopy --strip-dwo \ + %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ + }" #endif /* config.h can define CPP_SPEC to provide extra args to the C preprocessor @@ -1262,6 +1270,7 @@ static const struct spec_function static_spec_functions[] = { "compare-debug-self-opt", compare_debug_self_opt_spec_function }, { "compare-debug-auxbase-opt", compare_debug_auxbase_opt_spec_function }, { "pass-through-libs", pass_through_libs_spec_func }, + { "replace-extension", replace_extension_spec_func }, #ifdef EXTRA_SPEC_FUNCTIONS EXTRA_SPEC_FUNCTIONS #endif @@ -5814,7 +5823,7 @@ process_brace_body (const char *p, const char *atom, const char *end_atom, on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} spec, or -1 if either exact match or %* is used. - A -O switch is obsoleted by a later -O switch. A -f, -m, or -W switch + A -O switch is obsoleted by a later -O switch. A -f, -g, -m, or -W switch whose value does not begin with "no-" is obsoleted by the same value with the "no-", similarly for a switch with the "no-" prefix. */ @@ -5851,7 +5860,7 @@ check_live_switch (int switchnum, int prefix_length) } break; - case 'W': case 'f': case 'm': + case 'W': case 'f': case 'm': case 'g': if (! strncmp (name + 1, "no-", 3)) { /* We have Xno-YYY, search for XYYY. */ @@ -8380,3 +8389,33 @@ pass_through_libs_spec_func (int argc, const char **argv) } return prepended; } + +/* %:replace-extension spec function. Replaces the extension of the + first argument with the second argument. */ + +const char * +replace_extension_spec_func (int argc, const char **argv) +{ + char *name; + char *p; + char *result; + int i; + + if (argc != 2) + fatal_error ("too few arguments to %%:replace-extension"); + + name = xstrdup (argv[0]); + + for (i = strlen(name) - 1; i >= 0; i--) + if (IS_DIR_SEPARATOR (name[i])) + break; + + p = strrchr (name + i + 1, '.'); + if (p != NULL) + *p = '\0'; + + result = concat (name, argv[1], NULL); + + free (name); + return result; +} |