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-rw-r--r--cddl/contrib/opensolaris/tools/ctf/cvt/ctfconvert.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/tools/ctf/cvt/ctfconvert.c b/cddl/contrib/opensolaris/tools/ctf/cvt/ctfconvert.c
new file mode 100644
index 0000000..efe6c27
--- /dev/null
+++ b/cddl/contrib/opensolaris/tools/ctf/cvt/ctfconvert.c
@@ -0,0 +1,263 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+/*
+ * Given a file containing sections with stabs data, convert the stabs data to
+ * CTF data, and replace the stabs sections with a CTF section.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "ctftools.h"
+#include "memory.h"
+
+const char *progname;
+int debug_level = DEBUG_LEVEL;
+
+static char *infile = NULL;
+static const char *outfile = NULL;
+static int dynsym;
+
+static void
+usage(void)
+{
+ (void) fprintf(stderr,
+ "Usage: %s [-gis] -l label | -L labelenv [-o outfile] object_file\n"
+ "\n"
+ " Note: if -L labelenv is specified and labelenv is not set in\n"
+ " the environment, a default value is used.\n",
+ progname);
+}
+
+static void
+terminate_cleanup(void)
+{
+#if !defined(__FreeBSD__)
+ if (!outfile) {
+ fprintf(stderr, "Removing %s\n", infile);
+ unlink(infile);
+ }
+#endif
+}
+
+static void
+handle_sig(int sig)
+{
+ terminate("Caught signal %d - exiting\n", sig);
+}
+
+static int
+file_read(tdata_t *td, char *filename, int ignore_non_c)
+{
+ typedef int (*reader_f)(tdata_t *, Elf *, char *);
+ static reader_f readers[] = {
+ stabs_read,
+ dw_read,
+ NULL
+ };
+
+ source_types_t source_types;
+ Elf *elf;
+ int i, rc, fd;
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ terminate("failed to open %s", filename);
+
+ (void) elf_version(EV_CURRENT);
+
+ if ((elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
+ close(fd);
+ terminate("failed to read %s: %s\n", filename,
+ elf_errmsg(-1));
+ }
+
+ source_types = built_source_types(elf, filename);
+
+ if ((source_types == SOURCE_NONE || (source_types & SOURCE_UNKNOWN)) &&
+ ignore_non_c) {
+ debug(1, "Ignoring file %s from unknown sources\n", filename);
+ exit(0);
+ }
+
+ for (i = 0; readers[i] != NULL; i++) {
+ if ((rc = readers[i](td, elf, filename)) == 0)
+ break;
+
+ assert(rc < 0 && errno == ENOENT);
+ }
+
+ if (readers[i] == NULL) {
+ /*
+ * None of the readers found compatible type data.
+ */
+
+ if (findelfsecidx(elf, filename, ".debug") >= 0) {
+ terminate("%s: DWARF version 1 is not supported\n",
+ filename);
+ }
+
+ if (!(source_types & SOURCE_C) && ignore_non_c) {
+ debug(1, "Ignoring file %s not built from C sources\n",
+ filename);
+ exit(0);
+ }
+
+ rc = 0;
+ } else {
+ rc = 1;
+ }
+
+ (void) elf_end(elf);
+ (void) close(fd);
+
+ return (rc);
+}
+
+int
+main(int argc, char **argv)
+{
+ tdata_t *filetd, *mstrtd;
+ const char *label = NULL;
+ int verbose = 0;
+ int ignore_non_c = 0;
+ int keep_stabs = 0;
+ int c;
+
+#if defined(sun)
+ sighold(SIGINT);
+ sighold(SIGQUIT);
+ sighold(SIGTERM);
+#endif
+
+ progname = basename(argv[0]);
+
+ if (getenv("CTFCONVERT_DEBUG_LEVEL"))
+ debug_level = atoi(getenv("CTFCONVERT_DEBUG_LEVEL"));
+ if (getenv("CTFCONVERT_DEBUG_PARSE"))
+ debug_parse = atoi(getenv("CTFCONVERT_DEBUG_PARSE"));
+
+ while ((c = getopt(argc, argv, ":l:L:o:givs")) != EOF) {
+ switch (c) {
+ case 'l':
+ label = optarg;
+ break;
+ case 'L':
+ if ((label = getenv(optarg)) == NULL)
+ label = CTF_DEFAULT_LABEL;
+ break;
+ case 'o':
+ outfile = optarg;
+ break;
+ case 's':
+ dynsym = CTF_USE_DYNSYM;
+ break;
+ case 'i':
+ ignore_non_c = 1;
+ break;
+ case 'g':
+ keep_stabs = CTF_KEEP_STABS;
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ default:
+ usage();
+ exit(2);
+ }
+ }
+
+ if (getenv("STRIPSTABS_KEEP_STABS") != NULL)
+ keep_stabs = CTF_KEEP_STABS;
+
+ if (argc - optind != 1 || label == NULL) {
+ usage();
+ exit(2);
+ }
+
+ infile = argv[optind];
+ if (access(infile, R_OK) != 0)
+ terminate("Can't access %s", infile);
+
+ /*
+ * Upon receipt of a signal, we want to clean up and exit. Our
+ * primary goal during cleanup is to restore the system to a state
+ * such that a subsequent make will eventually cause this command to
+ * be re-run. If we remove the input file (which we do if we get a
+ * signal and the user didn't specify a separate output file), make
+ * will need to rebuild the input file, and will then need to re-run
+ * ctfconvert, which is what we want.
+ */
+ set_terminate_cleanup(terminate_cleanup);
+
+#if defined(sun)
+ sigset(SIGINT, handle_sig);
+ sigset(SIGQUIT, handle_sig);
+ sigset(SIGTERM, handle_sig);
+#else
+ signal(SIGINT, handle_sig);
+ signal(SIGQUIT, handle_sig);
+ signal(SIGTERM, handle_sig);
+#endif
+
+ filetd = tdata_new();
+
+ if (!file_read(filetd, infile, ignore_non_c))
+ terminate("%s doesn't have type data to convert\n", infile);
+
+ if (verbose)
+ iidesc_stats(filetd->td_iihash);
+
+ mstrtd = tdata_new();
+ merge_into_master(filetd, mstrtd, NULL, 1);
+
+ tdata_label_add(mstrtd, label, CTF_LABEL_LASTIDX);
+
+ /*
+ * If the user supplied an output file that is different from the
+ * input file, write directly to the output file. Otherwise, write
+ * to a temporary file, and replace the input file when we're done.
+ */
+ if (outfile && strcmp(infile, outfile) != 0) {
+ write_ctf(mstrtd, infile, outfile, dynsym | keep_stabs);
+ } else {
+ char *tmpname = mktmpname(infile, ".ctf");
+ write_ctf(mstrtd, infile, tmpname, dynsym | keep_stabs);
+ if (rename(tmpname, infile) != 0)
+ terminate("Couldn't rename temp file %s", tmpname);
+ free(tmpname);
+ }
+
+ return (0);
+}
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