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-rw-r--r--gcc/gcc.c158
1 files changed, 106 insertions, 52 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 3c7d0c199c1..248266bf589 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -35,6 +35,9 @@ compilation is specified by a string called a "spec". */
#include "config.h"
#include "system.h"
#include <signal.h>
+#if ! defined( SIGCHLD ) && defined( SIGCLD )
+# define SIGCHLD SIGCLD
+#endif
#include "obstack.h"
#include "intl.h"
#include "prefix.h"
@@ -233,7 +236,6 @@ static void add_prefix PARAMS ((struct path_prefix *, const char *,
const char *, int, int, int *));
static void translate_options PARAMS ((int *, const char *const **));
static char *skip_whitespace PARAMS ((char *));
-static void record_temp_file PARAMS ((const char *, int, int));
static void delete_if_ordinary PARAMS ((const char *));
static void delete_temp_files PARAMS ((void));
static void delete_failure_queue PARAMS ((void));
@@ -251,12 +253,9 @@ static int used_arg PARAMS ((const char *, int));
static int default_arg PARAMS ((const char *, int));
static void set_multilib_dir PARAMS ((void));
static void print_multilib_info PARAMS ((void));
-static void pfatal_with_name PARAMS ((const char *)) ATTRIBUTE_NORETURN;
static void perror_with_name PARAMS ((const char *));
static void pfatal_pexecute PARAMS ((const char *, const char *))
ATTRIBUTE_NORETURN;
-static void error PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
static void notice PARAMS ((const char *, ...))
ATTRIBUTE_PRINTF_1;
static void display_help PARAMS ((void));
@@ -360,6 +359,7 @@ or with constant text in a single argument.
and substitute the full name found.
%eSTR Print STR as an error message. STR is terminated by a newline.
Use this when inconsistent options are detected.
+ %nSTR Print STR as an notice. STR is terminated by a newline.
%x{OPTION} Accumulate an option for %X.
%X Output the accumulated linker options specified by compilations.
%Y Output the accumulated assembler options specified by compilations.
@@ -599,7 +599,7 @@ static const char *cpp_options =
%{!no-gcc:-D__GNUC__=%v1 -D__GNUC_MINOR__=%v2 -D__GNUC_PATCHLEVEL__=%v3}\
%{!undef:%{!ansi:%{!std=*:%p}%{std=gnu*:%p}} %P} %{trigraphs}\
%c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\
- %{ffast-math:-D__FAST_MATH__}\
+ %{fno-inline|O0|!O*:-D__NO_INLINE__} %{ffast-math:-D__FAST_MATH__}\
%{fshort-wchar:-U__WCHAR_TYPE__ -D__WCHAR_TYPE__=short\\ unsigned\\ int}\
%{ffreestanding:-D__STDC_HOSTED__=0} %{fno-hosted:-D__STDC_HOSTED__=0}\
%{!ffreestanding:%{!fno-hosted:-D__STDC_HOSTED__=1}}\
@@ -615,10 +615,10 @@ static const char *cc1_options =
%1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\
%{g*} %{O*} %{W*} %{w} %{pedantic*} %{std*} %{ansi}\
%{traditional} %{v:-version} %{pg:-p} %{p} %{f*}\
- %{aux-info*} %{Qn:-fno-ident} %{--help:--help}\
+ %{Qn:-fno-ident} %{--help:--help}\
%{--target-help:--target-help}\
%{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\
- %{fsyntax-only:-o %j}";
+ %{fsyntax-only:-o %j} %{-param*}";
static const char *asm_options =
"%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}";
@@ -673,7 +673,8 @@ static struct user_specs *user_specs_head, *user_specs_tail;
|| !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \
|| !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \
|| !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \
- || !strcmp (STR, "isystem") || !strcmp (STR, "specs") \
+ || !strcmp (STR, "isystem") || !strcmp (STR, "-param") \
+ || !strcmp (STR, "specs") \
|| !strcmp (STR, "MF") || !strcmp (STR, "MT") || !strcmp (STR, "MQ"))
#ifndef WORD_SWITCH_TAKES_ARG
@@ -728,19 +729,20 @@ static struct compiler default_compilers[] =
were not present when we built the driver, we will hit these copies
and be given a more meaningful error than "file not used since
linking is not done". */
- {".m", "#Objective-C"}, {".mi", "#Objective-C"},
- {".cc", "#C++"}, {".cxx", "#C++"}, {".cpp", "#C++"}, {".cp", "#C++"},
- {".c++", "#C++"}, {".C", "#C++"}, {".ii", "#C++"},
- {".ads", "#Ada"}, {".adb", "#Ada"}, {".ada", "#Ada"},
- {".f", "#Fortran"}, {".for", "#Fortran"}, {".fpp", "#Fortran"},
- {".F", "#Fortran"}, {".FOR", "#Fortran"}, {".FPP", "#Fortran"},
- {".r", "#Ratfor"},
- {".p", "#Pascal"}, {".pas", "#Pascal"},
- {".ch", "#Chill"}, {".chi", "#Chill"},
- {".java", "#Java"}, {".class", "#Java"},
- {".zip", "#Java"}, {".jar", "#Java"},
+ {".m", "#Objective-C", 0}, {".mi", "#Objective-C", 0},
+ {".cc", "#C++", 0}, {".cxx", "#C++", 0}, {".cpp", "#C++", 0},
+ {".cp", "#C++", 0}, {".c++", "#C++", 0}, {".C", "#C++", 0},
+ {".ii", "#C++", 0},
+ {".ads", "#Ada", 0}, {".adb", "#Ada", 0}, {".ada", "#Ada", 0},
+ {".f", "#Fortran", 0}, {".for", "#Fortran", 0}, {".fpp", "#Fortran", 0},
+ {".F", "#Fortran", 0}, {".FOR", "#Fortran", 0}, {".FPP", "#Fortran", 0},
+ {".r", "#Ratfor", 0},
+ {".p", "#Pascal", 0}, {".pas", "#Pascal", 0},
+ {".ch", "#Chill", 0}, {".chi", "#Chill", 0},
+ {".java", "#Java", 0}, {".class", "#Java", 0},
+ {".zip", "#Java", 0}, {".jar", "#Java", 0},
/* Next come the entries for C. */
- {".c", "@c"},
+ {".c", "@c", 0},
{"@c",
/* cc1 has an integrated ISO C preprocessor. We should invoke the
external preprocessor if -save-temps or -traditional is given. */
@@ -755,27 +757,27 @@ static struct compiler default_compilers[] =
cc1 -fpreprocessed %{!pipe:%g.i} %(cc1_options)}\
%{!traditional:%{!ftraditional:%{!traditional-cpp:\
cc1 -lang-c %{ansi:-std=c89} %(cpp_options) %(cc1_options)}}}}\
- %{!fsyntax-only:%(invoke_as)}}}}"},
+ %{!fsyntax-only:%(invoke_as)}}}}", 0},
{"-",
"%{!E:%e-E required when input is from standard input}\
- %(trad_capable_cpp) -lang-c %{ansi:-std=c89} %(cpp_options)"},
- {".h", "@c-header"},
+ %(trad_capable_cpp) -lang-c %{ansi:-std=c89} %(cpp_options)", 0},
+ {".h", "@c-header", 0},
{"@c-header",
"%{!E:%eCompilation of header file requested} \
- %(trad_capable_cpp) -lang-c %{ansi:-std=c89} %(cpp_options)"},
- {".i", "@cpp-output"},
+ %(trad_capable_cpp) -lang-c %{ansi:-std=c89} %(cpp_options)", 0},
+ {".i", "@cpp-output", 0},
{"@cpp-output",
- "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}"},
- {".s", "@assembler"},
+ "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0},
+ {".s", "@assembler", 0},
{"@assembler",
- "%{!M:%{!MM:%{!E:%{!S:as %(asm_options) %i %A }}}}"},
- {".S", "@assembler-with-cpp"},
+ "%{!M:%{!MM:%{!E:%{!S:as %(asm_options) %i %A }}}}", 0},
+ {".S", "@assembler-with-cpp", 0},
{"@assembler-with-cpp",
"%(trad_capable_cpp) -lang-asm %(cpp_options)\
- %{!M:%{!MM:%{!E:%(invoke_as)}}}"},
+ %{!M:%{!MM:%{!E:%(invoke_as)}}}", 0},
#include "specs.h"
/* Mark end of table */
- {0, 0}
+ {0, 0, 0}
};
/* Number of elements in default_compilers, not counting the terminator. */
@@ -862,6 +864,7 @@ struct option_map option_map[] =
{"--optimize", "-O", "oj"},
{"--output", "-o", "a"},
{"--output-class-directory", "-foutput-class-dir=", "ja"},
+ {"--param", "--param", "a"},
{"--pedantic", "-pedantic", 0},
{"--pedantic-errors", "-pedantic-errors", 0},
{"--pipe", "-pipe", 0},
@@ -1272,15 +1275,15 @@ init_gcc_specs (obstack, shared_name, static_name)
char buffer[128];
/* If we see -shared-libgcc, then use the shared version. */
- sprintf (buffer, "%%{shared-libgcc:%s}", shared_name);
+ sprintf (buffer, "%%{shared-libgcc:%s %s}", shared_name, static_name);
obstack_grow (obstack, buffer, strlen (buffer));
- /* If we see -static-libgcc, then use the shared version. */
+ /* If we see -static-libgcc, then use the static version. */
sprintf (buffer, "%%{static-libgcc:%s}", static_name);
obstack_grow (obstack, buffer, strlen (buffer));
/* Otherwise, if we see -shared, then use the shared version. */
sprintf (buffer,
- "%%{!shared-libgcc:%%{!static-libgcc:%%{shared:%s}}}",
- shared_name);
+ "%%{!shared-libgcc:%%{!static-libgcc:%%{shared:%s %s}}}",
+ shared_name, static_name);
obstack_grow (obstack, buffer, strlen (buffer));
/* Otherwise, use the static version. */
sprintf (buffer,
@@ -1403,6 +1406,15 @@ init_spec ()
libgcc_spec = obstack_finish (&obstack);
}
#endif
+#ifdef USE_AS_TRADITIONAL_FORMAT
+ /* Prepend "--traditional-format" to whatever asm_spec we had before. */
+ {
+ static char tf[] = "--traditional-format ";
+ obstack_grow (&obstack, tf, sizeof(tf) - 1);
+ obstack_grow0 (&obstack, asm_spec, strlen (asm_spec));
+ asm_spec = obstack_finish (&obstack);
+ }
+#endif
specs = sl;
}
@@ -1875,7 +1887,7 @@ static struct temp_file *failure_delete_queue;
FAIL_DELETE nonzero means delete it if a compilation step fails;
otherwise delete it in any case. */
-static void
+void
record_temp_file (filename, always_delete, fail_delete)
const char *filename;
int always_delete;
@@ -2798,7 +2810,7 @@ struct infile
static struct infile *infiles;
-static int n_infiles;
+int n_infiles;
/* This counts the number of libraries added by lang_specific_driver, so that
we can tell if there were any user supplied any files or libraries. */
@@ -2807,7 +2819,7 @@ static int added_libraries;
/* And a vector of corresponding output files is made up later. */
-static const char **outfiles;
+const char **outfiles;
/* Used to track if none of the -B paths are used. */
static int warn_B;
@@ -2848,7 +2860,7 @@ convert_filename (name, do_exe)
}
#endif
-#ifdef HAVE_EXECUTABLE_SUFFIX
+#if defined(HAVE_EXECUTABLE_SUFFIX) && !defined(NO_AUTO_EXE_SUFFIX)
/* If there is no filetype, make it the executable suffix (which includes
the "."). But don't get confused if we have just "-o". */
if (! do_exe || EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-'))
@@ -2919,9 +2931,9 @@ display_help ()
"), stdout);
printf (_("\
-\nOptions starting with -g, -f, -m, -O or -W are automatically passed on to\n\
-the various sub-processes invoked by %s. In order to pass other options\n\
-on to these processes the -W<letter> options must be used.\n\
+\nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\
+ passed on to the various sub-processes invoked by %s. In order to pass\n\
+ other options on to these processes the -W<letter> options must be used.\n\
"), programname);
/* The rest of the options are displayed by invocations of the various
@@ -4196,6 +4208,21 @@ do_spec_1 (spec, inswitch, soft_matched_part)
return -1;
}
break;
+ case 'n':
+ /* %nfoo means report an notice with `foo' on stderr. */
+ {
+ const char *q = p;
+ char *buf;
+ while (*p != 0 && *p != '\n')
+ p++;
+ buf = (char *) alloca (p - q + 1);
+ strncpy (buf, q, p - q);
+ buf[p - q] = 0;
+ notice ("%s\n", buf);
+ if (*p)
+ p++;
+ }
+ break;
case 'j':
{
@@ -4263,7 +4290,8 @@ do_spec_1 (spec, inswitch, soft_matched_part)
&& t->unique == (c != 'g'))
break;
- /* Make a new association if needed. %u and %j require one. */
+ /* Make a new association if needed. %u and %j
+ require one. */
if (t == 0 || c == 'u' || c == 'j')
{
if (t == 0)
@@ -4273,7 +4301,13 @@ do_spec_1 (spec, inswitch, soft_matched_part)
temp_names = t;
}
t->length = suffix_length;
- t->suffix = save_string (suffix, suffix_length);
+ if (saved_suffix)
+ {
+ t->suffix = saved_suffix;
+ saved_suffix = NULL;
+ }
+ else
+ t->suffix = save_string (suffix, suffix_length);
t->unique = (c != 'g');
temp_filename = make_temp_file (t->suffix);
temp_filename_length = strlen (temp_filename);
@@ -4493,7 +4527,7 @@ do_spec_1 (spec, inswitch, soft_matched_part)
len = strlen (multilib_dir);
obstack_blank (&obstack, len + 1);
- p = obstack_next_free (&obstack) - len;
+ p = obstack_next_free (&obstack) - (len + 1);
*p++ = '_';
for (q = multilib_dir; *q ; ++q, ++p)
@@ -5256,19 +5290,19 @@ give_switch (switchnum, omit_first_word, include_blanks)
if (suffix_subst)
{
unsigned length = strlen (arg);
+ int dot = 0;
while (length-- && !IS_DIR_SEPARATOR (arg[length]))
if (arg[length] == '.')
{
((char *)arg)[length] = 0;
+ dot = 1;
break;
}
do_spec_1 (arg, 1, NULL_PTR);
- if (!arg[length])
- {
- ((char *)arg)[length] = '.';
- do_spec_1 (suffix_subst, 1, NULL_PTR);
- }
+ if (dot)
+ ((char *)arg)[length] = '.';
+ do_spec_1 (suffix_subst, 1, NULL_PTR);
}
else
do_spec_1 (arg, 1, NULL_PTR);
@@ -5462,6 +5496,11 @@ main (argc, argv)
if (signal (SIGPIPE, SIG_IGN) != SIG_IGN)
signal (SIGPIPE, fatal_error);
#endif
+#ifdef SIGCHLD
+ /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
+ receive the signal. A different setting is inheritable */
+ signal (SIGCHLD, SIG_DFL);
+#endif
argbuf_length = 10;
argbuf = (const char **) xmalloc (argbuf_length * sizeof (const char *));
@@ -5772,9 +5811,24 @@ main (argc, argv)
if (verbose_flag)
{
int n;
+ const char *thrmod;
notice ("Configured with: %s\n", configuration_arguments);
+#ifdef THREAD_MODEL_SPEC
+ /* We could have defined THREAD_MODEL_SPEC to "%*" by default,
+ but there's no point in doing all this processing just to get
+ thread_model back. */
+ obstack_init (&obstack);
+ do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model);
+ obstack_1grow (&obstack, '\0');
+ thrmod = obstack_finish (&obstack);
+#else
+ thrmod = thread_model;
+#endif
+
+ notice ("Thread model: %s\n", thrmod);
+
/* compiler_version is truncated at the first space when initialized
from version string, so truncate version_string at the first space
before comparing. */
@@ -6006,7 +6060,7 @@ save_string (s, len)
return result;
}
-static void
+void
pfatal_with_name (name)
const char *name;
{
@@ -6074,7 +6128,7 @@ fatal VPARAMS ((const char *msgid, ...))
exit (1);
}
-static void
+void
error VPARAMS ((const char *msgid, ...))
{
#ifndef ANSI_PROTOTYPES
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 00:26:05 +0000