#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <sys/file.h>
#include <assert.h>
#include <getopt.h>
#include <bfd.h>
extern struct tm *localtime ();
#endif
+#ifndef getenv
+extern char *getenv ();
+#endif
+
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
+
+#ifndef R_OK
+#define R_OK 4
+#define W_OK 2
+#define X_OK 1
+#endif
\f
/* Global variables. */
/* Local variables. */
+/* Whether to print out debugging information (currently just controls
+ whether it prints the linker command if there is one). */
+static int debug;
+
/* The symbol table. */
static asymbol **symbols;
+/* A temporary file name to be unlinked on exit. Actually, for most
+ errors, we leave it around. It's not clear whether that is helpful
+ or not. */
+static char *unlink_on_exit;
+
/* The list of long options. */
static struct option long_options[] =
{
+ { "debug", no_argument, 0, 'd' },
{ "header-file", required_argument, 0, 'T' },
{ "help", no_argument, 0, 'h' },
{ "input-format", required_argument, 0, 'I' },
+ { "linker", required_argument, 0, 'l' },
{ "output-format", required_argument, 0, 'O' },
{ "version", no_argument, 0, 'V' },
{ NULL, no_argument, 0, 0 }
static void default_mangle_relocs PARAMS ((bfd *, asection *, arelent ***,
bfd_size_type *, char *,
bfd_size_type));
+static char *link_inputs PARAMS ((struct string_list *, char *));
+static const char *choose_temp_base_try PARAMS ((const char *,
+ const char *));
+static void choose_temp_base PARAMS ((void));
+static int pexecute PARAMS ((char *, char *[]));
\f
/* The main routine. */
char **argv;
{
int opt;
+ char *input_file = NULL;
const char *input_format = NULL;
const char *output_format = NULL;
const char *header_file = NULL;
+ char *ld_arg = NULL;
+ Nlm_Internal_Fixed_Header fixed_hdr_struct;
+ Nlm_Internal_Variable_Header var_hdr_struct;
+ Nlm_Internal_Version_Header version_hdr_struct;
+ Nlm_Internal_Copyright_Header copyright_hdr_struct;
+ Nlm_Internal_Extended_Header extended_hdr_struct;
bfd *inbfd;
bfd *outbfd;
asymbol **newsyms, **outsyms;
bfd_init ();
- while ((opt = getopt_long (argc, argv, "hI:O:T:V", long_options, (int *) 0))
+ while ((opt = getopt_long (argc, argv, "dhI:l:O:T:V", long_options,
+ (int *) NULL))
!= EOF)
{
switch (opt)
{
+ case 'd':
+ debug = 1;
+ break;
case 'h':
show_help ();
/*NOTREACHED*/
case 'I':
input_format = optarg;
break;
+ case 'l':
+ ld_arg = optarg;
+ break;
case 'O':
output_format = optarg;
break;
}
}
- if (optind + 2 != argc)
- show_usage (stderr, 1);
-
- if (strcmp (argv[optind], argv[optind + 1]) == 0)
+ /* The input and output files may be named on the command line. */
+ output_file = NULL;
+ if (optind < argc)
{
- fprintf (stderr, "%s: input and output files must be different\n",
- program_name);
- exit (1);
+ input_file = argv[optind];
+ ++optind;
+ if (optind < argc)
+ {
+ output_file = argv[optind];
+ ++optind;
+ if (optind < argc)
+ show_usage (stderr, 1);
+ if (strcmp (input_file, output_file) == 0)
+ {
+ fprintf (stderr,
+ "%s: input and output files must be different\n",
+ program_name);
+ exit (1);
+ }
+ }
}
- inbfd = bfd_openr (argv[optind], input_format);
- if (inbfd == NULL)
- bfd_fatal (argv[optind]);
-
- if (! bfd_check_format (inbfd, bfd_object))
- bfd_fatal (argv[optind]);
-
- if (output_format == NULL)
- output_format = select_output_format (bfd_get_arch (inbfd),
- bfd_get_mach (inbfd),
- inbfd->xvec->byteorder_big_p);
-
- assert (output_format != NULL);
- outbfd = bfd_openw (argv[optind + 1], output_format);
- if (outbfd == NULL)
- bfd_fatal (argv[optind + 1]);
- if (! bfd_set_format (outbfd, bfd_object))
- bfd_fatal (argv[optind + 1]);
-
- assert (outbfd->xvec->flavour == bfd_target_nlm_flavour);
-
- if (bfd_arch_get_compatible (inbfd, outbfd) == NULL)
- fprintf (stderr,
- "%s: warning:input and output formats are not compatible\n",
- program_name);
-
/* Initialize the header information to default values. */
- fixed_hdr = nlm_fixed_header (outbfd);
- var_hdr = nlm_variable_header (outbfd);
- version_hdr = nlm_version_header (outbfd);
- copyright_hdr = nlm_copyright_header (outbfd);
- extended_hdr = nlm_extended_header (outbfd);
+ fixed_hdr = &fixed_hdr_struct;
+ memset ((PTR) &fixed_hdr_struct, 0, sizeof fixed_hdr_struct);
+ var_hdr = &var_hdr_struct;
+ memset ((PTR) &var_hdr_struct, 0, sizeof var_hdr_struct);
+ version_hdr = &version_hdr_struct;
+ memset ((PTR) &version_hdr_struct, 0, sizeof version_hdr_struct);
+ copyright_hdr = ©right_hdr_struct;
+ memset ((PTR) ©right_hdr_struct, 0, sizeof copyright_hdr_struct);
+ extended_hdr = &extended_hdr_struct;
+ memset ((PTR) &extended_hdr_struct, 0, sizeof extended_hdr_struct);
check_procedure = NULL;
custom_file = NULL;
debug_info = false;
exit (1);
}
+ if (input_files != NULL)
+ {
+ if (input_file != NULL)
+ {
+ fprintf (stderr,
+ "%s: input file named both on command line and with INPUT\n",
+ program_name);
+ exit (1);
+ }
+ if (input_files->next == NULL)
+ input_file = input_files->string;
+ else
+ input_file = link_inputs (input_files, ld_arg);
+ }
+ else if (input_file == NULL)
+ {
+ fprintf (stderr, "%s: no input file\n", program_name);
+ show_usage (stderr, 1);
+ }
+
+ inbfd = bfd_openr (input_file, input_format);
+ if (inbfd == NULL)
+ bfd_fatal (input_file);
+
+ if (! bfd_check_format (inbfd, bfd_object))
+ bfd_fatal (input_file);
+
+ if (output_format == NULL)
+ output_format = select_output_format (bfd_get_arch (inbfd),
+ bfd_get_mach (inbfd),
+ inbfd->xvec->byteorder_big_p);
+
+ assert (output_format != NULL);
+
+ /* Use the output file named on the command line if it exists.
+ Otherwise use the file named in the OUTPUT statement. */
+ if (output_file == NULL)
+ {
+ fprintf (stderr, "%s: no name for output file\n",
+ program_name);
+ show_usage (stderr, 1);
+ }
+
+ outbfd = bfd_openw (output_file, output_format);
+ if (outbfd == NULL)
+ bfd_fatal (output_file);
+ if (! bfd_set_format (outbfd, bfd_object))
+ bfd_fatal (output_file);
+
+ assert (outbfd->xvec->flavour == bfd_target_nlm_flavour);
+
+ if (bfd_arch_get_compatible (inbfd, outbfd) == NULL)
+ fprintf (stderr,
+ "%s: warning:input and output formats are not compatible\n",
+ program_name);
+
+ /* Move the values read from the command file into outbfd. */
+ *nlm_fixed_header (outbfd) = fixed_hdr_struct;
+ *nlm_variable_header (outbfd) = var_hdr_struct;
+ *nlm_version_header (outbfd) = version_hdr_struct;
+ *nlm_copyright_header (outbfd) = copyright_hdr_struct;
+ *nlm_extended_header (outbfd) = extended_hdr_struct;
+
/* Start copying the input BFD to the output BFD. */
if (! bfd_set_file_flags (outbfd, bfd_get_file_flags (inbfd)))
bfd_fatal (bfd_get_filename (outbfd));
sharedhdr.exitProcedureOffset;
free (data);
}
- len = strlen (argv[optind + 1]);
+ len = strlen (output_file);
if (len > NLM_MODULE_NAME_SIZE - 2)
len = NLM_MODULE_NAME_SIZE - 2;
nlm_fixed_header (outbfd)->moduleName[0] = len;
- strncpy (nlm_fixed_header (outbfd)->moduleName + 1, argv[optind + 1],
+ strncpy (nlm_fixed_header (outbfd)->moduleName + 1, output_file,
NLM_MODULE_NAME_SIZE - 2);
nlm_fixed_header (outbfd)->moduleName[NLM_MODULE_NAME_SIZE - 1] = '\0';
for (modname = nlm_fixed_header (outbfd)->moduleName;
NLM_OLD_THREAD_NAME_LENGTH);
if (! bfd_close (outbfd))
- bfd_fatal (argv[optind + 1]);
+ bfd_fatal (output_file);
if (! bfd_close (inbfd))
- bfd_fatal (argv[optind]);
+ bfd_fatal (input_file);
+
+ if (unlink_on_exit != NULL)
+ unlink (unlink_on_exit);
return 0;
}
int status;
{
fprintf (file, "\
-Usage: %s [-hV] [-I format] [-O format] [-T header-file]\n\
+Usage: %s [-dhV] [-I format] [-O format] [-T header-file] [-l linker]\n\
[--input-format=format] [--output-format=format]\n\
- [--header-file=file] [--help] [--version]\n\
- in-file out-file\n",
+ [--header-file=file] [--linker=linker] [--debug]\n\
+ [--help] [--version]\n\
+ [in-file [out-file]]\n",
program_name);
exit (status);
}
(*relocs)->address += insec->output_offset;
}
}
+\f
+/* Name of linker. */
+#ifndef LD_NAME
+#define LD_NAME "ld"
+#endif
+
+/* Temporary file name base. */
+static char *temp_filename;
+
+/* The user has specified several input files. Invoke the linker to
+ link them all together, and convert and delete the resulting output
+ file. */
+
+static char *
+link_inputs (inputs, ld)
+ struct string_list *inputs;
+ char *ld;
+{
+ size_t c;
+ struct string_list *q;
+ char **argv;
+ size_t i;
+ int pid;
+ int status;
+
+ c = 0;
+ for (q = inputs; q != NULL; q = q->next)
+ ++c;
+
+ argv = (char **) alloca (c + 5);
+
+#ifndef __MSDOS__
+ if (ld == NULL)
+ {
+ char *p;
+
+ /* Find the linker to invoke based on how nlmconv was run. */
+ p = program_name + strlen (program_name);
+ while (p != program_name)
+ {
+ if (p[-1] == '/')
+ {
+ ld = (char *) xmalloc (p - program_name + strlen (LD_NAME) + 1);
+ memcpy (ld, program_name, p - program_name);
+ strcpy (ld + (p - program_name), LD_NAME);
+ break;
+ }
+ --p;
+ }
+ }
+#endif
+
+ if (ld == NULL)
+ ld = (char *) LD_NAME;
+
+ choose_temp_base ();
+
+ unlink_on_exit = xmalloc (strlen (temp_filename) + 3);
+ sprintf (unlink_on_exit, "%s.O", temp_filename);
+
+ argv[0] = ld;
+ argv[1] = (char *) "-r";
+ argv[2] = (char *) "-o";
+ argv[3] = unlink_on_exit;
+ i = 4;
+ for (q = inputs; q != NULL; q = q->next, i++)
+ argv[i] = q->string;
+ argv[i] = NULL;
+
+ if (debug)
+ {
+ for (i = 0; argv[i] != NULL; i++)
+ fprintf (stderr, " %s", argv[i]);
+ fprintf (stderr, "\n");
+ }
+
+ pid = pexecute (ld, argv);
+
+ if (waitpid (pid, &status, 0) < 0)
+ {
+ perror ("waitpid");
+ unlink (unlink_on_exit);
+ exit (1);
+ }
+
+ if (status != 0)
+ {
+ fprintf (stderr, "%s: Execution of %s failed\n", program_name, ld);
+ unlink (unlink_on_exit);
+ exit (1);
+ }
+
+ return unlink_on_exit;
+}
+
+/* Choose a temporary file name. Stolen from gcc.c. */
+
+static const char *
+choose_temp_base_try (try, base)
+ const char *try;
+ const char *base;
+{
+ const char *rv;
+
+ if (base)
+ rv = base;
+ else if (try == NULL)
+ rv = NULL;
+ else if (access (try, R_OK | W_OK) != 0)
+ rv = NULL;
+ else
+ rv = try;
+ return rv;
+}
+
+static void
+choose_temp_base ()
+{
+ const char *base = NULL;
+ int len;
+
+ base = choose_temp_base_try (getenv ("TMPDIR"), base);
+ base = choose_temp_base_try (getenv ("TMP"), base);
+ base = choose_temp_base_try (getenv ("TEMP"), base);
+
+#ifdef P_tmpdir
+ base = choose_temp_base_try (P_tmpdir, base);
+#endif
+
+ base = choose_temp_base_try ("/usr/tmp", base);
+ base = choose_temp_base_try ("/tmp", base);
+
+ /* If all else fails, use the current directory! */
+ if (base == NULL)
+ base = "./";
+
+ len = strlen (base);
+ temp_filename = xmalloc (len + sizeof("/ccXXXXXX") + 1);
+ strcpy (temp_filename, base);
+ if (len > 0 && temp_filename[len-1] != '/')
+ temp_filename[len++] = '/';
+ strcpy (temp_filename + len, "ccXXXXXX");
+
+ mktemp (temp_filename);
+ if (*temp_filename == '\0')
+ abort ();
+}
+
+/* Execute a job. Stolen from gcc.c. */
+
+#ifndef OS2
+#ifdef __MSDOS__
+
+static int
+pexecute (program, argv)
+ char *program;
+ char *argv[];
+{
+ char *scmd, *rf;
+ FILE *argfile;
+ int i;
+
+ scmd = (char *)malloc (strlen (program) + strlen (temp_filename) + 10);
+ rf = scmd + strlen(program) + 2 + el;
+ sprintf (scmd, "%s.exe @%s.gp", program, temp_filename);
+ argfile = fopen (rf, "w");
+ if (argfile == 0)
+ pfatal_with_name (rf);
+
+ for (i=1; argv[i]; i++)
+ {
+ char *cp;
+ for (cp = argv[i]; *cp; cp++)
+ {
+ if (*cp == '"' || *cp == '\'' || *cp == '\\' || isspace (*cp))
+ fputc ('\\', argfile);
+ fputc (*cp, argfile);
+ }
+ fputc ('\n', argfile);
+ }
+ fclose (argfile);
+
+ i = system (scmd);
+
+ remove (rf);
+
+ if (i == -1)
+ {
+ perror (program);
+ return MIN_FATAL_STATUS << 8;
+ }
+
+ return i << 8;
+}
+
+#else /* not __MSDOS__ */
+
+static int
+pexecute (program, argv)
+ char *program;
+ char *argv[];
+{
+ int pid;
+ int retries, sleep_interval;
+
+ /* Fork a subprocess; wait and retry if it fails. */
+ sleep_interval = 1;
+ for (retries = 0; retries < 4; retries++)
+ {
+ pid = vfork ();
+ if (pid >= 0)
+ break;
+ sleep (sleep_interval);
+ sleep_interval *= 2;
+ }
+
+ switch (pid)
+ {
+ case -1:
+#ifdef vfork
+ perror ("fork");
+#else
+ perror ("vfork");
+#endif
+ exit (1);
+ /* NOTREACHED */
+ return 0;
+
+ case 0: /* child */
+ /* Exec the program. */
+ execvp (program, argv);
+ perror (program);
+ exit (1);
+ /* NOTREACHED */
+ return 0;
+
+ default:
+ /* Return child's process number. */
+ return pid;
+ }
+}
+
+#endif /* not __MSDOS__ */
+#else /* not OS2 */
+
+static int
+pexecute (program, argv)
+ char *program;
+ char *argv[];
+{
+ return spawnvp (1, program, argv);
+}
+#endif /* not OS2 */
projects / external / binutils.git / commitdiff