f8eee05550
- [testsuite] BuildRequire gcc-go. - Drop printing 2D C++ vectors as matrices which no longer worked (BZ 562763). - Fix dejagnu-1.5-4.fc17 compatibility for Go (for BZ 635651). - Use librpm.so.3 for rpm-4.10.0 in Fedora 18. - Revert recent breakage of UNIX objfiles order for symbols lookup.
281 lines
9.2 KiB
Diff
281 lines
9.2 KiB
Diff
Index: gdb-7.4.50.20120602/bfd/elf-bfd.h
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===================================================================
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--- gdb-7.4.50.20120602.orig/bfd/elf-bfd.h 2012-06-02 21:26:09.928717069 +0200
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+++ gdb-7.4.50.20120602/bfd/elf-bfd.h 2012-06-02 21:27:21.727689625 +0200
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@@ -2221,8 +2221,10 @@ extern Elf_Internal_Phdr * _bfd_elf_find
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/* Exported interface for writing elf corefile notes. */
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extern char *elfcore_write_note
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(bfd *, char *, int *, const char *, int, const void *, int);
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+struct elf_prpsinfo;
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+typedef struct elf_prpsinfo prpsinfo_t;
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extern char *elfcore_write_prpsinfo
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- (bfd *, char *, int *, const char *, const char *);
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+ (bfd *, char *, int *, const prpsinfo_t *);
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extern char *elfcore_write_prstatus
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(bfd *, char *, int *, long, int, const void *);
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extern char * elfcore_write_pstatus
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Index: gdb-7.4.50.20120602/bfd/elf.c
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===================================================================
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--- gdb-7.4.50.20120602.orig/bfd/elf.c 2012-06-02 21:26:09.928717069 +0200
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+++ gdb-7.4.50.20120602/bfd/elf.c 2012-06-02 21:27:21.732689623 +0200
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@@ -8917,56 +8917,61 @@ char *
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elfcore_write_prpsinfo (bfd *abfd,
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char *buf,
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int *bufsiz,
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- const char *fname,
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- const char *psargs)
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+ const prpsinfo_t *input)
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{
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const struct elf_backend_data *bed = get_elf_backend_data (abfd);
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if (bed->elf_backend_write_core_note != NULL)
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{
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char *ret;
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+ char fname[sizeof (input->pr_fname) + 1];
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+ char psargs[sizeof (input->pr_psargs) + 1];
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+
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+ strncpy (fname, input->pr_fname, sizeof (input->pr_fname));
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+ fname[sizeof (input->pr_fname)] = 0;
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+ strncpy (psargs, input->pr_psargs, sizeof (input->pr_psargs));
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+ psargs[sizeof (input->pr_psargs)] = 0;
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+
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ret = (*bed->elf_backend_write_core_note) (abfd, buf, bufsiz,
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NT_PRPSINFO, fname, psargs);
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if (ret != NULL)
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return ret;
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}
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-#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T)
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-#if defined (HAVE_PRPSINFO32_T) || defined (HAVE_PSINFO32_T)
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+#if defined (HAVE_PRPSINFO_T)
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+#if defined (HAVE_PRPSINFO32_T)
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if (bed->s->elfclass == ELFCLASS32)
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{
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-#if defined (HAVE_PSINFO32_T)
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- psinfo32_t data;
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- int note_type = NT_PSINFO;
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-#else
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prpsinfo32_t data;
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int note_type = NT_PRPSINFO;
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-#endif
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- memset (&data, 0, sizeof (data));
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- strncpy (data.pr_fname, fname, sizeof (data.pr_fname));
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- strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs));
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+ data.pr_state = input->pr_state;
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+ data.pr_sname = input->pr_sname;
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+ data.pr_zomb = input->pr_zomb;
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+ data.pr_nice = input->pr_nice;
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+ data.pr_flag = input->pr_flag;
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+ data.pr_uid = input->pr_uid;
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+ data.pr_gid = input->pr_gid;
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+ data.pr_pid = input->pr_pid;
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+ data.pr_ppid = input->pr_ppid;
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+ data.pr_pgrp = input->pr_pgrp;
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+ data.pr_sid = input->pr_sid;
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+ BFD_ASSERT (sizeof (data.pr_fname) == sizeof (input->pr_fname));
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+ memcpy (data.pr_fname, input->pr_fname, sizeof (data.pr_fname));
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+ BFD_ASSERT (sizeof (data.pr_psargs) == sizeof (input->pr_psargs));
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+ memcpy (data.pr_psargs, input->pr_psargs, sizeof (data.pr_psargs));
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return elfcore_write_note (abfd, buf, bufsiz,
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"CORE", note_type, &data, sizeof (data));
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}
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else
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#endif
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{
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-#if defined (HAVE_PSINFO_T)
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- psinfo_t data;
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- int note_type = NT_PSINFO;
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-#else
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- prpsinfo_t data;
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int note_type = NT_PRPSINFO;
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-#endif
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- memset (&data, 0, sizeof (data));
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- strncpy (data.pr_fname, fname, sizeof (data.pr_fname));
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- strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs));
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return elfcore_write_note (abfd, buf, bufsiz,
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- "CORE", note_type, &data, sizeof (data));
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+ "CORE", note_type, input, sizeof (*input));
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}
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-#endif /* PSINFO_T or PRPSINFO_T */
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+#endif /* PRPSINFO_T */
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free (buf);
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return NULL;
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Index: gdb-7.4.50.20120602/gdb/procfs.c
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===================================================================
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--- gdb-7.4.50.20120602.orig/gdb/procfs.c 2012-06-02 21:26:09.928717069 +0200
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+++ gdb-7.4.50.20120602/gdb/procfs.c 2012-06-02 21:27:21.745689618 +0200
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@@ -5541,6 +5541,7 @@ procfs_make_note_section (bfd *obfd, int
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note_data = (char *) elfcore_write_prpsinfo (obfd,
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note_data,
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note_size,
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+ NULL,
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fname,
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psargs);
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Index: gdb-7.4.50.20120602/gdb/linux-tdep.c
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===================================================================
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--- gdb-7.4.50.20120602.orig/gdb/linux-tdep.c 2012-06-02 21:26:09.928717069 +0200
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+++ gdb-7.4.50.20120602/gdb/linux-tdep.c 2012-06-02 21:31:12.051601510 +0200
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@@ -30,6 +30,7 @@
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#include "elf-bfd.h" /* for elfcore_write_* */
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#include "inferior.h"
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#include "cli/cli-utils.h"
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+#include <sys/procfs.h>
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#include <ctype.h>
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@@ -769,6 +770,131 @@ linux_corefile_thread_callback (struct t
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return !args->note_data;
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}
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+/* Should be always true for Linux */
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+#define HAVE_PRPSINFO_T 1
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+
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+#if defined (HAVE_PRPSINFO_T)
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+
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+/* Fills struct elf_prpsinfo{32,64} as much as possible, imitate Linux kernel
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+ binfmt_elf.c. Unknown values are filled with zeroes. The structure is
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+ malloced. */
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+
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+static const prpsinfo_t *
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+fill_prpsinfo (void)
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+{
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+ struct stat sb;
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+ char filename[sizeof ("/proc//cmdline") + sizeof (int) * 3 + 2];
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+ char buf[1024];
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+ char proc_state[5];
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+ char proc_cmdline[sizeof (((struct elf_prpsinfo*)0)->pr_psargs) + 1];
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+ unsigned flags;
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+ long proc_nice;
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+ unsigned proc_ppid;
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+ unsigned proc_pgid;
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+ unsigned proc_sid;
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+ pid_t pid;
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+ int fd, n;
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+ char *cp, *proc_comm, *state_s;
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+ /* String comes from Linux kernel binfmt_elf.c FILL_PSINFO but it is already
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+ obsolete there to <linux/sched.h> TASK_* constants. */
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+ const char state_string[] = "RSDTZW";
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+ int state_num;
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+ static prpsinfo_t retval;
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+
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+ /* Get /proc/$PID/stat. */
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+ pid = ptid_get_pid (inferior_ptid);
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+ sprintf (filename, "/proc/%u/stat", (unsigned)pid);
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+ fd = open (filename, O_RDONLY);
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+ if (fd < 0)
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+ return NULL;
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+ fstat (fd, &sb); /* No error checking (can it ever happen?). */
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+ n = read (fd, buf, sizeof (buf) - 1);
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+ close (fd);
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+ if (n < 0)
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+ return NULL;
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+ buf[n] = 0;
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+
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+ cp = strrchr (buf, ')'); /* Split into "PID (COMM" and "<rest>". */
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+ if (!cp)
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+ return NULL;
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+ *cp = 0;
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+
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+ /* Grab COMM. */
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+ proc_comm = strchr (buf, '(');
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+ if (!proc_comm)
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+ return NULL;
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+ proc_comm++;
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+
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+ /* Read /proc/$PID/cmdline. */
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+ proc_cmdline[0] = 0;
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+ strcpy (strrchr (filename, '/'), "/cmdline");
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+ fd = open (filename, O_RDONLY);
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+ if (fd >= 0)
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+ {
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+ int n;
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+
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+ n = read (fd, proc_cmdline, sizeof (proc_cmdline) - 1);
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+ if (n < 0)
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+ n = 0;
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+ proc_cmdline[n] = 0;
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+ while (n--) /* Replace NULs with spaces. */
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+ if (proc_cmdline[n] == 0)
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+ proc_cmdline[n] = ' ';
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+ close (fd);
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+ }
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+
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+ /* Parse /proc/$PID/stat. */
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+ n = sscanf (cp + 2, /* skip ") " */
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+ "%4s %u " /* state, ppid */
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+ "%u %u %*s %*s " /* pgid, sid, tty, tpgid */
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+ "%u %*s %*s %*s " /* flags, min_flt, cmin_flt, maj_flt */
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+ "%*s " /* cmaj_flt */
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+ "%*s %*s " /* utime, stime */
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+ "%*s %*s %*s " /* cutime, cstime, priority */
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+ "%ld " /* nice */
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+ /*"%*s %*s " timeout, it_real_value */
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+ /*"%lu " start_time */
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+ /*"%lu " vsize */
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+ /*"%lu " rss */
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+ /*"%lu %lu %lu " rss_rlim, start_code, end_code */
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+ /*"%lu %lu %lu " start_stack, kstk_esp, kstk_eip */
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+ /*"%u %u %u %u " signal, blocked, sigignore, sigcatch */
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+ /*"%lu %lu %lu" wchan, nswap, cnswap */
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+ , proc_state, &proc_ppid,
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+ &proc_pgid, &proc_sid,
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+ &flags,
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+ &proc_nice);
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+ if (n != 6)
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+ return NULL;
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+
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+ state_s = strchr (state_string, proc_state[0]);
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+ if (state_s != NULL)
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+ state_num = state_s - state_string;
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+ else
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+ {
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+ /* 0 means Running, some more unusal state would be better. */
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+ state_num = 0;
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+ }
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+
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+ memset (&retval, 0, sizeof (retval));
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+ retval.pr_state = state_num;
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+ retval.pr_sname = proc_state[0];
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+ retval.pr_zomb = (proc_state[0] == 'Z');
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+ retval.pr_nice = proc_nice;
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+ retval.pr_flag = flags;
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+ retval.pr_uid = sb.st_uid;
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+ retval.pr_gid = sb.st_gid;
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+ retval.pr_pid = pid;
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+ retval.pr_ppid = proc_ppid;
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+ retval.pr_pgrp = proc_pgid;
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+ retval.pr_sid = proc_sid;
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+ strncpy (retval.pr_fname, proc_comm, sizeof (retval.pr_fname));
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+ strncpy (retval.pr_psargs, proc_cmdline, sizeof (retval.pr_psargs));
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+
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+ return &retval;
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+}
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+#endif
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+
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/* Fills the "to_make_corefile_note" target vector. Builds the note
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section for a corefile, and returns it in a malloc buffer. */
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@@ -784,16 +910,9 @@ linux_make_corefile_notes (struct gdbarc
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/* Process information. */
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if (get_exec_file (0))
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{
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- const char *fname = lbasename (get_exec_file (0));
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- char *psargs = xstrdup (fname);
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+ const prpsinfo_t *data = fill_prpsinfo ();
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- if (get_inferior_args ())
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- psargs = reconcat (psargs, psargs, " ", get_inferior_args (),
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- (char *) NULL);
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-
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- note_data = elfcore_write_prpsinfo (obfd, note_data, note_size,
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- fname, psargs);
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- xfree (psargs);
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+ note_data = elfcore_write_prpsinfo (obfd, note_data, note_size, data);
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if (!note_data)
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return NULL;
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