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-rw-r--r--src/libdwfl/argp-std.c364
1 files changed, 0 insertions, 364 deletions
diff --git a/src/libdwfl/argp-std.c b/src/libdwfl/argp-std.c
deleted file mode 100644
index 42b7e783..00000000
--- a/src/libdwfl/argp-std.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/* Standard argp argument parsers for tools using libdwfl.
- Copyright (C) 2005-2010, 2012 Red Hat, Inc.
- This file is part of elfutils.
-
- This file is free software; you can redistribute it and/or modify
- it under the terms of either
-
- * the GNU Lesser General Public License as published by the Free
- Software Foundation; either version 3 of the License, or (at
- your option) any later version
-
- or
-
- * the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at
- your option) any later version
-
- or both in parallel, as here.
-
- elfutils is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received copies of the GNU General Public License and
- the GNU Lesser General Public License along with this program. If
- not, see <http://www.gnu.org/licenses/>. */
-
-#include "libdwflP.h"
-#include <argp.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <libintl.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-/* gettext helper macros. */
-#define _(Str) dgettext ("elfutils", Str)
-
-
-#define OPT_DEBUGINFO 0x100
-#define OPT_COREFILE 0x101
-
-static const struct argp_option options[] =
-{
- { NULL, 0, NULL, 0, N_("Input selection options:"), 0 },
- { "executable", 'e', "FILE", 0, N_("Find addresses in FILE"), 0 },
- { "core", OPT_COREFILE, "COREFILE", 0,
- N_("Find addresses from signatures found in COREFILE"), 0 },
- { "pid", 'p', "PID", 0,
- N_("Find addresses in files mapped into process PID"), 0 },
- { "linux-process-map", 'M', "FILE", 0,
- N_("Find addresses in files mapped as read from FILE"
- " in Linux /proc/PID/maps format"), 0 },
- { "kernel", 'k', NULL, 0, N_("Find addresses in the running kernel"), 0 },
- { "offline-kernel", 'K', "RELEASE", OPTION_ARG_OPTIONAL,
- N_("Kernel with all modules"), 0 },
- { "debuginfo-path", OPT_DEBUGINFO, "PATH", 0,
- N_("Search path for separate debuginfo files"), 0 },
- { NULL, 0, NULL, 0, NULL, 0 }
-};
-
-static char *debuginfo_path;
-
-static const Dwfl_Callbacks offline_callbacks =
- {
- .find_debuginfo = INTUSE(dwfl_standard_find_debuginfo),
- .debuginfo_path = &debuginfo_path,
-
- .section_address = INTUSE(dwfl_offline_section_address),
-
- /* We use this table for core files too. */
- .find_elf = INTUSE(dwfl_build_id_find_elf),
- };
-
-static const Dwfl_Callbacks proc_callbacks =
- {
- .find_debuginfo = INTUSE(dwfl_standard_find_debuginfo),
- .debuginfo_path = &debuginfo_path,
-
- .find_elf = INTUSE(dwfl_linux_proc_find_elf),
- };
-
-static const Dwfl_Callbacks kernel_callbacks =
- {
- .find_debuginfo = INTUSE(dwfl_standard_find_debuginfo),
- .debuginfo_path = &debuginfo_path,
-
- .find_elf = INTUSE(dwfl_linux_kernel_find_elf),
- .section_address = INTUSE(dwfl_linux_kernel_module_section_address),
- };
-
-/* Structure held at state->HOOK. */
-struct parse_opt
-{
- Dwfl *dwfl;
- /* The -e|--executable parameter. */
- const char *e;
- /* The --core parameter. */
- const char *core;
-};
-
-static error_t
-parse_opt (int key, char *arg, struct argp_state *state)
-{
- inline void failure (Dwfl *dwfl, int errnum, const char *msg)
- {
- if (dwfl != NULL)
- dwfl_end (dwfl);
- if (errnum == -1)
- argp_failure (state, EXIT_FAILURE, 0, "%s: %s",
- msg, INTUSE(dwfl_errmsg) (-1));
- else
- argp_failure (state, EXIT_FAILURE, errnum, "%s", msg);
- }
- inline error_t fail (Dwfl *dwfl, int errnum, const char *msg)
- {
- failure (dwfl, errnum, msg);
- return errnum == -1 ? EIO : errnum;
- }
-
- switch (key)
- {
- case ARGP_KEY_INIT:
- {
- assert (state->hook == NULL);
- struct parse_opt *opt = calloc (1, sizeof (*opt));
- if (opt == NULL)
- failure (NULL, DWFL_E_ERRNO, "calloc");
- state->hook = opt;
- }
- break;
-
- case OPT_DEBUGINFO:
- debuginfo_path = arg;
- break;
-
- case 'e':
- {
- struct parse_opt *opt = state->hook;
- Dwfl *dwfl = opt->dwfl;
- if (dwfl == NULL)
- {
- dwfl = INTUSE(dwfl_begin) (&offline_callbacks);
- if (dwfl == NULL)
- return fail (dwfl, -1, arg);
- opt->dwfl = dwfl;
-
- /* Start at zero so if there is just one -e foo.so,
- the DSO is shown without address bias. */
- dwfl->offline_next_address = 0;
- }
- if (dwfl->callbacks != &offline_callbacks)
- {
- toomany:
- argp_error (state, "%s",
- _("only one of -e, -p, -k, -K, or --core allowed"));
- return EINVAL;
- }
- opt->e = arg;
- }
- break;
-
- case 'p':
- {
- struct parse_opt *opt = state->hook;
- if (opt->dwfl == NULL)
- {
- Dwfl *dwfl = INTUSE(dwfl_begin) (&proc_callbacks);
- int result = INTUSE(dwfl_linux_proc_report) (dwfl, atoi (arg));
- if (result != 0)
- return fail (dwfl, result, arg);
-
- /* Non-fatal to not be able to attach to process, ignore error. */
- INTUSE(dwfl_linux_proc_attach) (dwfl, atoi (arg), false);
-
- opt->dwfl = dwfl;
- }
- else
- goto toomany;
- }
- break;
-
- case 'M':
- {
- struct parse_opt *opt = state->hook;
- if (opt->dwfl == NULL)
- {
- FILE *f = fopen (arg, "r");
- if (f == NULL)
- {
- int code = errno;
- argp_failure (state, EXIT_FAILURE, code,
- "cannot open '%s'", arg);
- return code;
- }
- Dwfl *dwfl = INTUSE(dwfl_begin) (&proc_callbacks);
- int result = INTUSE(dwfl_linux_proc_maps_report) (dwfl, f);
- fclose (f);
- if (result != 0)
- return fail (dwfl, result, arg);
- opt->dwfl = dwfl;
- }
- else
- goto toomany;
- }
- break;
-
- case OPT_COREFILE:
- {
- struct parse_opt *opt = state->hook;
- Dwfl *dwfl = opt->dwfl;
- if (dwfl == NULL)
- opt->dwfl = dwfl = INTUSE(dwfl_begin) (&offline_callbacks);
- /* Permit -e and --core together. */
- else if (dwfl->callbacks != &offline_callbacks)
- goto toomany;
- opt->core = arg;
- }
- break;
-
- case 'k':
- {
- struct parse_opt *opt = state->hook;
- if (opt->dwfl == NULL)
- {
- Dwfl *dwfl = INTUSE(dwfl_begin) (&kernel_callbacks);
- int result = INTUSE(dwfl_linux_kernel_report_kernel) (dwfl);
- if (result != 0)
- return fail (dwfl, result, _("cannot load kernel symbols"));
- result = INTUSE(dwfl_linux_kernel_report_modules) (dwfl);
- if (result != 0)
- /* Non-fatal to have no modules since we do have the kernel. */
- failure (dwfl, result, _("cannot find kernel modules"));
- opt->dwfl = dwfl;
- }
- else
- goto toomany;
- }
- break;
-
- case 'K':
- {
- struct parse_opt *opt = state->hook;
- if (opt->dwfl == NULL)
- {
- Dwfl *dwfl = INTUSE(dwfl_begin) (&offline_callbacks);
- int result = INTUSE(dwfl_linux_kernel_report_offline) (dwfl, arg,
- NULL);
- if (result != 0)
- return fail (dwfl, result, _("cannot find kernel or modules"));
- opt->dwfl = dwfl;
- }
- else
- goto toomany;
- }
- break;
-
- case ARGP_KEY_SUCCESS:
- {
- struct parse_opt *opt = state->hook;
- Dwfl *dwfl = opt->dwfl;
-
- if (dwfl == NULL)
- {
- /* Default if no -e, -p, or -k, is "-e a.out". */
- arg = "a.out";
- dwfl = INTUSE(dwfl_begin) (&offline_callbacks);
- if (INTUSE(dwfl_report_offline) (dwfl, "", arg, -1) == NULL)
- return fail (dwfl, -1, arg);
- opt->dwfl = dwfl;
- }
-
- if (opt->core)
- {
- int fd = open64 (opt->core, O_RDONLY);
- if (fd < 0)
- {
- int code = errno;
- argp_failure (state, EXIT_FAILURE, code,
- "cannot open '%s'", opt->core);
- return code;
- }
-
- Elf *core;
- Dwfl_Error error = __libdw_open_file (&fd, &core, true, false);
- if (error != DWFL_E_NOERROR)
- {
- argp_failure (state, EXIT_FAILURE, 0,
- _("cannot read ELF core file: %s"),
- INTUSE(dwfl_errmsg) (error));
- return error == DWFL_E_ERRNO ? errno : EIO;
- }
-
- int result = INTUSE(dwfl_core_file_report) (dwfl, core, opt->e);
- if (result < 0)
- {
- elf_end (core);
- close (fd);
- return fail (dwfl, result, opt->core);
- }
-
- /* Non-fatal to not be able to attach to core, ignore error. */
- INTUSE(dwfl_core_file_attach) (dwfl, core);
-
- /* From now we leak FD and CORE. */
-
- if (result == 0)
- {
- argp_failure (state, EXIT_FAILURE, 0,
- _("No modules recognized in core file"));
- return ENOENT;
- }
- }
- else if (opt->e)
- {
- if (INTUSE(dwfl_report_offline) (dwfl, "", opt->e, -1) == NULL)
- return fail (dwfl, -1, opt->e);
- }
-
- /* One of the three flavors has done dwfl_begin and some reporting
- if we got here. Tie up the Dwfl and return it to the caller of
- argp_parse. */
-
- int result = INTUSE(dwfl_report_end) (dwfl, NULL, NULL);
- assert (result == 0);
-
- /* Update the input all along, so a parent parser can see it.
- As we free OPT the update below will be no longer active. */
- *(Dwfl **) state->input = dwfl;
- free (opt);
- state->hook = NULL;
- }
- break;
-
- case ARGP_KEY_ERROR:
- {
- struct parse_opt *opt = state->hook;
- dwfl_end (opt->dwfl);
- free (opt);
- state->hook = NULL;
- }
- break;
-
- default:
- return ARGP_ERR_UNKNOWN;
- }
-
- /* Update the input all along, so a parent parser can see it. */
- struct parse_opt *opt = state->hook;
- if (opt)
- *(Dwfl **) state->input = opt->dwfl;
-
- return 0;
-}
-
-static const struct argp libdwfl_argp =
- { .options = options, .parser = parse_opt };
-
-const struct argp *
-dwfl_standard_argp (void)
-{
- return &libdwfl_argp;
-}
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