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authorNick Clifton <nickc@redhat.com>2003-02-24 18:07:22 +0000
committerNick Clifton <nickc@redhat.com>2003-02-24 18:07:22 +0000
commit07c6e936588ef5f135c8e254361ad393e916c8ea (patch)
tree5e4346ef722b005dc704341871eb1e9e04253abf /bfd
parent9a3c34fe70091c1ad7271bf3229809ed1c11f3c5 (diff)
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Add support for QNX style core files.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf.c111
2 files changed, 117 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index d82580d..7f764c3 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2003-02-24 Kris Warkentin <kewarken@qnx.com>
+
+ * elf.c (elfcore_read_notes): Add check for QNX style core file.
+ (elfcore_grog_nto_note): New function.
+ (elfcore_grog_nto_gregs): New function.
+ (elfcore_grog_nto_status): New function.
+
2003-02-24 Alan Modra <amodra@bigpond.net.au>
* elflink.c (_bfd_elf_create_got_section): Check existing .got
diff --git a/bfd/elf.c b/bfd/elf.c
index 9637ee6..0331f3d 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -97,6 +97,12 @@ static bfd_boolean elfcore_grok_netbsd_procinfo
PARAMS ((bfd *, Elf_Internal_Note *));
static bfd_boolean elfcore_grok_netbsd_note
PARAMS ((bfd *, Elf_Internal_Note *));
+static bfd_boolean elfcore_grok_nto_gregs
+ PARAMS ((bfd *, Elf_Internal_Note *, pid_t));
+static bfd_boolean elfcore_grok_nto_status
+ PARAMS ((bfd *, Elf_Internal_Note *, pid_t *));
+static bfd_boolean elfcore_grok_nto_note
+ PARAMS ((bfd *, Elf_Internal_Note *));
/* Swap version information in and out. The version information is
currently size independent. If that ever changes, this code will
@@ -3542,7 +3548,7 @@ elf_sort_sections (arg1, arg2)
/* Put !SEC_LOAD sections after SEC_LOAD ones. */
-#define TOEND(x) (((x)->flags & (SEC_LOAD|SEC_THREAD_LOCAL)) == 0)
+#define TOEND(x) (((x)->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0)
if (TOEND (sec1))
{
@@ -6967,6 +6973,104 @@ elfcore_grok_netbsd_note (abfd, note)
/* NOTREACHED */
}
+static bfd_boolean
+elfcore_grok_nto_status (abfd, note, tid)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+ pid_t *tid;
+{
+ void *ddata = note->descdata;
+ char buf[100];
+ char *name;
+ asection *sect;
+
+ /* nto_procfs_status 'pid' field is at offset 0. */
+ elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, (bfd_byte *) ddata);
+
+ /* nto_procfs_status 'tid' field is at offset 4. */
+ elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, (bfd_byte *) ddata + 4);
+
+ /* nto_procfs_status 'what' field is at offset 14. */
+ elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, (bfd_byte *) ddata + 14);
+
+ /* Pass tid back. */
+ *tid = elf_tdata (abfd)->core_lwpid;
+
+ /* Make a ".qnx_core_status/%d" section. */
+ sprintf (buf, ".qnx_core_status/%d", *tid);
+
+ name = bfd_alloc (abfd, (bfd_size_type) strlen (buf) + 1);
+ if (name == NULL)
+ return FALSE;
+ strcpy (name, buf);
+
+ sect = bfd_make_section (abfd, name);
+ if (sect == NULL)
+ return FALSE;
+
+ sect->_raw_size = note->descsz;
+ sect->filepos = note->descpos;
+ sect->flags = SEC_HAS_CONTENTS;
+ sect->alignment_power = 2;
+
+ return (elfcore_maybe_make_sect (abfd, ".qnx_core_status", sect));
+}
+
+static bfd_boolean
+elfcore_grok_nto_gregs (abfd, note, tid)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+ pid_t tid;
+{
+ char buf[100];
+ char *name;
+ asection *sect;
+
+ /* Make a ".reg/%d" section. */
+ sprintf (buf, ".reg/%d", tid);
+
+ name = bfd_alloc (abfd, (bfd_size_type) strlen (buf) + 1);
+ if (name == NULL)
+ return FALSE;
+ strcpy (name, buf);
+
+ sect = bfd_make_section (abfd, name);
+ if (sect == NULL)
+ return FALSE;
+
+ sect->_raw_size = note->descsz;
+ sect->filepos = note->descpos;
+ sect->flags = SEC_HAS_CONTENTS;
+ sect->alignment_power = 2;
+
+ return elfcore_maybe_make_sect (abfd, ".reg", sect);
+}
+
+#define BFD_QNT_CORE_INFO 7
+#define BFD_QNT_CORE_STATUS 8
+#define BFD_QNT_CORE_GREG 9
+#define BFD_QNT_CORE_FPREG 10
+
+static bfd_boolean
+elfcore_grok_nto_note (abfd, note)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+{
+ /* Every GREG section has a STATUS section before it. Store the
+ tid from the previous call to pass down to the next gregs
+ function. */
+ static pid_t tid = 1;
+
+ switch (note->type)
+ {
+ case BFD_QNT_CORE_INFO: return elfcore_make_note_pseudosection (abfd, ".qnx_core_info", note);
+ case BFD_QNT_CORE_STATUS: return elfcore_grok_nto_status (abfd, note, &tid);
+ case BFD_QNT_CORE_GREG: return elfcore_grok_nto_gregs (abfd, note, tid);
+ case BFD_QNT_CORE_FPREG: return elfcore_grok_prfpreg (abfd, note);
+ default: return TRUE;
+ }
+}
+
/* Function: elfcore_write_note
Inputs:
@@ -7206,6 +7310,11 @@ elfcore_read_notes (abfd, offset, size)
if (! elfcore_grok_netbsd_note (abfd, &in))
goto error;
}
+ else if (strncmp (in.namedata, "QNX", 3) == 0)
+ {
+ if (! elfcore_grok_nto_note (abfd, &in))
+ goto error;
+ }
else
{
if (! elfcore_grok_note (abfd, &in))