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       via  19a50d12edce0600e6e784c1edb3ada364e315f6 (commit)
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       via  b2bd124143030a72ceffe8164b95eca30c136a71 (commit)
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- Log -----------------------------------------------------------------
commit 19a50d12edce0600e6e784c1edb3ada364e315f6
Author: gdbadmin <gdbadmin@sourceware.org>
Date:   Tue Aug 18 00:00:32 2009 +0000

    *** empty log message ***

commit 7d85f8dcdcb4b149fc5c8d1264fd143389966d90
Author: Alan Modra <amodra@bigpond.net.au>
Date:   Tue Aug 18 00:00:06 2009 +0000

    daily update

commit b2bd124143030a72ceffe8164b95eca30c136a71
Author: Ulrich Weigand <uweigand@de.ibm.com>
Date:   Mon Aug 17 20:09:37 2009 +0000

    	* symfile.c (reread_symbols): Call objfiles_changed *before*
    	calling clear_symtab_users.

commit 2d2cca06c04577fedc2547a9d22213bf2ce5944b
Author: Michael Snyder <msnyder@specifix.com>
Date:   Mon Aug 17 18:23:45 2009 +0000

    2009-08-17  Michael Snyder  <msnyder@vmware.com>
    
    	* amd64-tdep.c: Add a frame unwinder for function epilogues.
    	(amd64_in_function_epilogue_p): New function.
    	(amd64_epilogue_frame_sniffer): New function.
    	(amd64_epilogue_frame_cache): New function.
    	(amd64_epilogue_frame_this_id): New function.
    	(amd64_epilogue_frame_unwind): New struct frame_unwind.
    	(amd64_init_abi): Hook the new unwinder.
    
    	* amd64-linux-tdep.c (amd64_linux_init_abi): Set gdbarch to use
    	SVR4 method for skip_trampoline_code.

commit 7b89e85c0e6ec79862388fffa7f37097023ff996
Author: Pedro Alves <pedro@codesourcery.com>
Date:   Mon Aug 17 11:16:11 2009 +0000

    2009-08-17  Pedro Alves  <pedro@codesourcery.com>>
    
    	* objfiles.c (objfile_relocate): Relocate the entry point before
    	relocating the section offsets.  Flush the section map before
    	resetting breakpoints.

commit 9213c4b80953bfb0cd4f413449804cfea7083b8c
Author: Ben Elliston <bje@au.ibm.com>
Date:   Mon Aug 17 04:10:29 2009 +0000

    	* config.sub, config.guess: Update from upstream sources.

commit 2e49d7624aa051e6fc923ad075c8d5a8b760b03a
Author: Alan Modra <amodra@bigpond.net.au>
Date:   Mon Aug 17 00:00:08 2009 +0000

    daily update

commit 668e15338216bae8b420ac7622e451fbd41f7150
Author: gdbadmin <gdbadmin@sourceware.org>
Date:   Mon Aug 17 00:00:03 2009 +0000

    *** empty log message ***

commit 61b721bf40f1b08c51e333356223aac25779efce
Author: Doug Evans <dje@google.com>
Date:   Sun Aug 16 17:32:21 2009 +0000

    	* opncls.c (bfd_close): Until BFD_IN_MEMORY has an iovec,
    	at least don't leak memory.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog              |    4 ++
 bfd/ChangeLog          |    5 +++
 bfd/opncls.c           |   16 ++++++---
 bfd/version.h          |    2 +-
 config.guess           |   12 +++---
 config.sub             |   20 ++++++++---
 gdb/ChangeLog          |   24 +++++++++++++
 gdb/amd64-linux-tdep.c |    3 ++
 gdb/amd64-tdep.c       |   89 ++++++++++++++++++++++++++++++++++++++++++++++++
 gdb/objfiles.c         |   16 +++++----
 gdb/symfile.c          |    6 ++--
 gdb/version.in         |    2 +-
 12 files changed, 171 insertions(+), 28 deletions(-)

First 500 lines of diff:
diff --git a/ChangeLog b/ChangeLog
index 64dc5aa..4ee1147 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-08-17  Ben Elliston  <bje@au.ibm.com>
+
+	* config.sub, config.guess: Update from upstream sources.
+
 2009-08-06  Michael Eager <eager@eagercon.com>
 
 	* configure.ac: Add Microblaze target.
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ecca9ca..f9c4c6d 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2009-08-16  Doug Evans  <dje@google.com>
+
+	* opncls.c (bfd_close): Until BFD_IN_MEMORY has an iovec,
+	at least don't leak memory.
+
 2009-08-13  DJ Delorie  <dj@redhat.com>
 
 	* elf32-m32c.c (m32c_elf_relax_delete_bytes): Adjust symbol sizes
diff --git a/bfd/opncls.c b/bfd/opncls.c
index 6a4f319..7992030 100644
--- a/bfd/opncls.c
+++ b/bfd/opncls.c
@@ -703,12 +703,18 @@ bfd_close (bfd *abfd)
   if (! BFD_SEND (abfd, _close_and_cleanup, (abfd)))
     return FALSE;
 
-  /* FIXME: cagney/2004-02-15: Need to implement a BFD_IN_MEMORY io
-     vector.  */
-  if (!(abfd->flags & BFD_IN_MEMORY))
-    ret = abfd->iovec->bclose (abfd);
+  if ((abfd->flags & BFD_IN_MEMORY) != 0)
+    {
+      /* FIXME: cagney/2004-02-15: Need to implement a BFD_IN_MEMORY io
+	 vector.
+	 Until that's done, at least don't leak memory.  */
+      struct bfd_in_memory *bim = abfd->iostream;
+      free (bim->buffer);
+      free (bim);
+      ret = TRUE;
+    }
   else
-    ret = TRUE;
+    ret = abfd->iovec->bclose (abfd);
 
   if (ret)
     _maybe_make_executable (abfd);
diff --git a/bfd/version.h b/bfd/version.h
index b19ea97..e217c6e 100644
--- a/bfd/version.h
+++ b/bfd/version.h
@@ -1,4 +1,4 @@
-#define BFD_VERSION_DATE 20090816
+#define BFD_VERSION_DATE 20090818
 #define BFD_VERSION @bfd_version@
 #define BFD_VERSION_STRING  @bfd_version_package@ @bfd_version_string@
 #define REPORT_BUGS_TO @report_bugs_to@
diff --git a/config.guess b/config.guess
index 7c48073..e3a2116 100755
--- a/config.guess
+++ b/config.guess
@@ -4,7 +4,7 @@
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
 #   Free Software Foundation, Inc.
 
-timestamp='2009-06-03'
+timestamp='2009-06-10'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -170,7 +170,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
 		eval $set_cc_for_build
 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
-			| grep __ELF__ >/dev/null
+			| grep -q __ELF__
 		then
 		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
 		    # Return netbsd for either.  FIX?
@@ -656,7 +656,7 @@ EOF
 	    # => hppa64-hp-hpux11.23
 
 	    if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
-		grep __LP64__ >/dev/null
+		grep -q __LP64__
 	    then
 		HP_ARCH="hppa2.0w"
 	    else
@@ -927,7 +927,7 @@ EOF
 	  EV67)  UNAME_MACHINE=alphaev67 ;;
 	  EV68*) UNAME_MACHINE=alphaev68 ;;
         esac
-	objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
+	objdump --private-headers /bin/sh | grep -q ld.so.1
 	if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
 	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
 	exit ;;
@@ -1046,7 +1046,7 @@ EOF
     i*86:syllable:*:*)
 	echo ${UNAME_MACHINE}-pc-syllable
 	exit ;;
-    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
+    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
 	echo i386-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
     i*86:*DOS:*:*)
@@ -1154,7 +1154,7 @@ EOF
     rs6000:LynxOS:2.*:*)
 	echo rs6000-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
-    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
 	echo powerpc-unknown-lynxos${UNAME_RELEASE}
 	exit ;;
     SM[BE]S:UNIX_SV:*:*)
diff --git a/config.sub b/config.sub
index 67a635e..32d764c 100755
--- a/config.sub
+++ b/config.sub
@@ -4,7 +4,7 @@
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
 #   Free Software Foundation, Inc.
 
-timestamp='2009-06-03'
+timestamp='2009-08-17'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -149,10 +149,13 @@ case $os in
 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
 	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
-	-apple | -axis | -knuth | -cray)
+	-apple | -axis | -knuth | -cray | -microblaze)
 		os=
 		basic_machine=$1
 		;;
+        -bluegene*)
+	        os=-cnk
+		;;
 	-sim | -cisco | -oki | -wec | -winbond)
 		os=
 		basic_machine=$1
@@ -337,7 +340,7 @@ case $basic_machine in
 	| lm32-* \
 	| m32c-* | m32r-* | m32rle-* \
 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
-	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
 	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
 	| mips16-* \
 	| mips64-* | mips64el-* \
@@ -467,6 +470,10 @@ case $basic_machine in
 		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
 		os=-linux
 		;;
+	bluegene*)
+		basic_machine=powerpc-ibm
+		os=-cnk
+		;;
 	c90)
 		basic_machine=c90-cray
 		os=-unicos
@@ -719,6 +726,9 @@ case $basic_machine in
 		basic_machine=ns32k-utek
 		os=-sysv
 		;;
+        microblaze)
+		basic_machine=microblaze-xilinx
+		;;
 	mingw32)
 		basic_machine=i386-pc
 		os=-mingw32
@@ -1260,7 +1270,7 @@ case $os in
 	# Each alternative MUST END IN A *, to match a version number.
 	# -sysv* is not here because it comes later, after sysvr4.
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
-	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
 	      | -kopensolaris* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
@@ -1613,7 +1623,7 @@ case $basic_machine in
 			-sunos*)
 				vendor=sun
 				;;
-			-aix*)
+			-cnk*|-aix*)
 				vendor=ibm
 				;;
 			-beos*)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 4215476..3af22c1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,27 @@
+2009-08-17  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* symfile.c (reread_symbols): Call objfiles_changed *before*
+	calling clear_symtab_users.
+
+2009-08-17  Michael Snyder  <msnyder@vmware.com>
+
+	* amd64-tdep.c: Add a frame unwinder for function epilogues.
+	(amd64_in_function_epilogue_p): New function.
+	(amd64_epilogue_frame_sniffer): New function.
+	(amd64_epilogue_frame_cache): New function.
+	(amd64_epilogue_frame_this_id): New function.
+	(amd64_epilogue_frame_unwind): New struct frame_unwind.
+	(amd64_init_abi): Hook the new unwinder.
+
+	* amd64-linux-tdep.c (amd64_linux_init_abi): Set gdbarch to use
+	SVR4 method for skip_trampoline_code.
+
+2009-08-17  Pedro Alves  <pedro@codesourcery.com>>
+
+	* objfiles.c (objfile_relocate): Relocate the entry point before
+	relocating the section offsets.  Flush the section map before
+	resetting breakpoints.
+
 2009-08-14  Doug Evans  <dje@google.com>
 
 	* symfile.c (find_separate_debug_file): Remove double free of
diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index e7f966b..dcfdb38 100644
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -1415,6 +1415,9 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                              svr4_fetch_objfile_link_map);
 
+  /* GNU/Linux uses SVR4-style shared libraries.  */
+  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
+
   /* Displaced stepping.  */
   set_gdbarch_displaced_step_copy_insn (gdbarch,
                                         amd64_displaced_step_copy_insn);
diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c
index 187b9ce..51560cf 100644
--- a/gdb/amd64-tdep.c
+++ b/gdb/amd64-tdep.c
@@ -1887,6 +1887,89 @@ static const struct frame_base amd64_frame_base =
   amd64_frame_base_address
 };
 
+/* Normal frames, but in a function epilogue.  */
+
+/* The epilogue is defined here as the 'ret' instruction, which will
+   follow any instruction such as 'leave' or 'pop %ebp' that destroys
+   the function's stack frame.  */
+
+static int
+amd64_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+{
+  gdb_byte insn;
+
+  if (target_read_memory (pc, &insn, 1))
+    return 0;   /* Can't read memory at pc.  */
+
+  if (insn != 0xc3)     /* 'ret' instruction.  */
+    return 0;
+
+  return 1;
+}
+
+static int
+amd64_epilogue_frame_sniffer (const struct frame_unwind *self,
+			      struct frame_info *this_frame,
+			      void **this_prologue_cache)
+{
+  if (frame_relative_level (this_frame) == 0)
+    return amd64_in_function_epilogue_p (get_frame_arch (this_frame),
+					 get_frame_pc (this_frame));
+  else
+    return 0;
+}
+
+static struct amd64_frame_cache *
+amd64_epilogue_frame_cache (struct frame_info *this_frame, void **this_cache)
+{
+  struct gdbarch *gdbarch = get_frame_arch (this_frame);
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+  struct amd64_frame_cache *cache;
+  gdb_byte buf[4];
+
+  if (*this_cache)
+    return *this_cache;
+
+  cache = amd64_alloc_frame_cache ();
+  *this_cache = cache;
+
+  /* Cache base will be %esp plus cache->sp_offset (-8).  */
+  get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
+  cache->base = extract_unsigned_integer (buf, 8, 
+					  byte_order) + cache->sp_offset;
+
+  /* Cache pc will be the frame func.  */
+  cache->pc = get_frame_pc (this_frame);
+
+  /* The saved %esp will be at cache->base plus 16.  */
+  cache->saved_sp = cache->base + 16;
+
+  /* The saved %eip will be at cache->base plus 8.  */
+  cache->saved_regs[AMD64_RIP_REGNUM] = cache->base + 8;
+
+  return cache;
+}
+
+static void
+amd64_epilogue_frame_this_id (struct frame_info *this_frame,
+			      void **this_cache,
+			      struct frame_id *this_id)
+{
+  struct amd64_frame_cache *cache = amd64_epilogue_frame_cache (this_frame,
+							       this_cache);
+
+  (*this_id) = frame_id_build (cache->base + 8, cache->pc);
+}
+
+static const struct frame_unwind amd64_epilogue_frame_unwind =
+{
+  NORMAL_FRAME,
+  amd64_epilogue_frame_this_id,
+  amd64_frame_prev_register,
+  NULL, 
+  amd64_epilogue_frame_sniffer
+};
+
 static struct frame_id
 amd64_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
 {
@@ -2065,6 +2148,12 @@ amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 
   set_gdbarch_dummy_id (gdbarch, amd64_dummy_id);
 
+  /* Hook the function epilogue frame unwinder.  This unwinder is
+     appended to the list first, so that it supercedes the other
+     unwinders in function epilogues.  */
+  frame_unwind_prepend_unwinder (gdbarch, &amd64_epilogue_frame_unwind);
+
+  /* Hook the prologue-based frame unwinders.  */
   frame_unwind_append_unwinder (gdbarch, &amd64_sigtramp_frame_unwind);
   frame_unwind_append_unwinder (gdbarch, &amd64_frame_unwind);
   frame_base_set_default (gdbarch, &amd64_frame_base);
diff --git a/gdb/objfiles.c b/gdb/objfiles.c
index 586f5d0..92db65e 100644
--- a/gdb/objfiles.c
+++ b/gdb/objfiles.c
@@ -666,12 +666,6 @@ objfile_relocate (struct objfile *objfile, struct section_offsets *new_offsets)
      to be out of order.  */
   msymbols_sort (objfile);
 
-  {
-    int i;
-    for (i = 0; i < objfile->num_sections; ++i)
-      (objfile->section_offsets)->offsets[i] = ANOFFSET (new_offsets, i);
-  }
-
   if (objfile->ei.entry_point != ~(CORE_ADDR) 0)
     {
       /* Relocate ei.entry_point with its section offset, use SECT_OFF_TEXT
@@ -684,6 +678,15 @@ objfile_relocate (struct objfile *objfile, struct section_offsets *new_offsets)
         objfile->ei.entry_point += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
     }
 
+  {
+    int i;
+    for (i = 0; i < objfile->num_sections; ++i)
+      (objfile->section_offsets)->offsets[i] = ANOFFSET (new_offsets, i);
+  }
+
+  /* Rebuild section map next time we need it.  */
+  objfiles_changed_p = 1;
+
   /* Update the table in exec_ops, used to read memory.  */
   ALL_OBJFILE_OSECTIONS (objfile, s)
     {
@@ -695,7 +698,6 @@ objfile_relocate (struct objfile *objfile, struct section_offsets *new_offsets)
 
   /* Relocate breakpoints as necessary, after things are relocated. */
   breakpoint_re_set ();
-  objfiles_changed_p = 1;  /* Rebuild section map next time we need it.  */
 }
 \f
 /* Many places in gdb want to test just to see if we have any partial
diff --git a/gdb/symfile.c b/gdb/symfile.c
index e30b613..5151966 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -2467,13 +2467,13 @@ reread_symbols (void)
 
   if (reread_one)
     {
+      /* Notify objfiles that we've modified objfile sections.  */
+      objfiles_changed ();
+
       clear_symtab_users ();
       /* At least one objfile has changed, so we can consider that
          the executable we're debugging has changed too.  */
       observer_notify_executable_changed ();
-
-      /* Notify objfiles that we've modified objfile sections.  */
-      objfiles_changed ();
     }
 }
 
diff --git a/gdb/version.in b/gdb/version.in
index 16c6d91..f2db57a 100644
--- a/gdb/version.in
+++ b/gdb/version.in
@@ -1 +1 @@
-6.8.50.20090816-cvs
+6.8.50.20090818-cvs


hooks/post-receive
--
Repository for Project Archer.