- Upgrade to the upstream gdb-6.8.50 snapshot.
This commit is contained in:
Jan Kratochvil
parent
39347a6c8a
commit
407ebe9063
73 changed files with 3708 additions and 10930 deletions
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@ -1,5 +1,8 @@
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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=216711
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FIXME: This workaround should be dropped and
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glibc/sysdeps/unix/sysv/linux/x86_64/clone.S should get CFI for the child
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instead.
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2006-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
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@ -20,10 +23,10 @@ https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=216711
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Port to GDB-6.7.
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Index: gdb-6.7/gdb/amd64-linux-tdep.c
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Index: gdb-6.8.50.20081128/gdb/amd64-linux-tdep.c
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===================================================================
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--- gdb-6.7.orig/gdb/amd64-linux-tdep.c 2007-08-23 20:08:26.000000000 +0200
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+++ gdb-6.7/gdb/amd64-linux-tdep.c 2007-10-16 15:57:03.000000000 +0200
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--- gdb-6.8.50.20081128.orig/gdb/amd64-linux-tdep.c 2008-12-08 10:56:17.000000000 +0100
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+++ gdb-6.8.50.20081128/gdb/amd64-linux-tdep.c 2008-12-08 21:11:08.000000000 +0100
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@@ -234,6 +234,80 @@ amd64_linux_register_reggroup_p (struct
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/* Set the program counter for process PTID to PC. */
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@ -65,12 +68,12 @@ Index: gdb-6.7/gdb/amd64-linux-tdep.c
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+#define LINUX_CLONE_LEN (sizeof linux_clone_code)
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+
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+static int
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+amd64_linux_clone_running (struct frame_info *next_frame)
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+amd64_linux_clone_running (struct frame_info *this_frame)
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+{
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+ CORE_ADDR pc = frame_pc_unwind (next_frame);
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+ CORE_ADDR pc = get_frame_pc (this_frame);
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+ unsigned char buf[LINUX_CLONE_LEN];
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+
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+ if (!safe_frame_unwind_memory (next_frame, pc - LINUX_CLONE_LEN, buf,
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+ if (!safe_frame_unwind_memory (this_frame, pc - LINUX_CLONE_LEN, buf,
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+ LINUX_CLONE_LEN))
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+ return 0;
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+
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@ -81,9 +84,9 @@ Index: gdb-6.7/gdb/amd64-linux-tdep.c
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+}
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+
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+static int
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+amd64_linux_outermost_frame (struct frame_info *next_frame)
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+amd64_linux_outermost_frame (struct frame_info *this_frame)
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+{
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+ CORE_ADDR pc = frame_pc_unwind (next_frame);
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+ CORE_ADDR pc = get_frame_pc (this_frame);
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+ char *name;
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+
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+ find_pc_partial_function (pc, &name, NULL, NULL);
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@ -97,7 +100,7 @@ Index: gdb-6.7/gdb/amd64-linux-tdep.c
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+ subtle changes in specific glibc revisions. */
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+ if (name == NULL || strcmp (name, "clone") == 0
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+ || strcmp ("__clone", name) == 0)
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+ return (amd64_linux_clone_running (next_frame) != 0);
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+ return (amd64_linux_clone_running (this_frame) != 0);
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+
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+ return 0;
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+}
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@ -114,32 +117,32 @@ Index: gdb-6.7/gdb/amd64-linux-tdep.c
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/* GNU/Linux uses SVR4-style shared libraries. */
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, svr4_lp64_fetch_link_map_offsets);
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Index: gdb-6.7/gdb/amd64-tdep.c
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Index: gdb-6.8.50.20081128/gdb/amd64-tdep.c
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===================================================================
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--- gdb-6.7.orig/gdb/amd64-tdep.c 2007-10-12 17:48:39.000000000 +0200
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+++ gdb-6.7/gdb/amd64-tdep.c 2007-10-16 15:57:03.000000000 +0200
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@@ -849,11 +849,16 @@ amd64_frame_this_id (struct frame_info *
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--- gdb-6.8.50.20081128.orig/gdb/amd64-tdep.c 2008-12-08 10:56:17.000000000 +0100
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+++ gdb-6.8.50.20081128/gdb/amd64-tdep.c 2008-12-08 21:05:12.000000000 +0100
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@@ -1044,11 +1044,16 @@ amd64_frame_this_id (struct frame_info *
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{
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struct amd64_frame_cache *cache =
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amd64_frame_cache (next_frame, this_cache);
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+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
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amd64_frame_cache (this_frame, this_cache);
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+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame));
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/* This marks the outermost frame. */
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if (cache->base == 0)
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return;
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+ /* Detect OS dependent outermost frames; such as `clone'. */
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+ if (tdep->outermost_frame_p && tdep->outermost_frame_p (next_frame))
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+ if (tdep->outermost_frame_p && tdep->outermost_frame_p (this_frame))
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+ return;
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+
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(*this_id) = frame_id_build (cache->base + 16, cache->pc);
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}
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Index: gdb-6.7/gdb/i386-tdep.c
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Index: gdb-6.8.50.20081128/gdb/i386-tdep.c
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===================================================================
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--- gdb-6.7.orig/gdb/i386-tdep.c 2007-10-12 17:48:39.000000000 +0200
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+++ gdb-6.7/gdb/i386-tdep.c 2007-10-16 15:57:03.000000000 +0200
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@@ -2355,6 +2355,9 @@ i386_gdbarch_init (struct gdbarch_info i
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--- gdb-6.8.50.20081128.orig/gdb/i386-tdep.c 2008-12-08 10:56:17.000000000 +0100
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+++ gdb-6.8.50.20081128/gdb/i386-tdep.c 2008-12-08 11:00:43.000000000 +0100
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@@ -2698,6 +2698,9 @@ i386_gdbarch_init (struct gdbarch_info i
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tdep->sc_pc_offset = -1;
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tdep->sc_sp_offset = -1;
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@ -149,24 +152,24 @@ Index: gdb-6.7/gdb/i386-tdep.c
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/* The format used for `long double' on almost all i386 targets is
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the i387 extended floating-point format. In fact, of all targets
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in the GCC 2.95 tree, only OSF/1 does it different, and insists
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Index: gdb-6.7/gdb/i386-tdep.h
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Index: gdb-6.8.50.20081128/gdb/i386-tdep.h
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===================================================================
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--- gdb-6.7.orig/gdb/i386-tdep.h 2007-08-23 20:08:34.000000000 +0200
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+++ gdb-6.7/gdb/i386-tdep.h 2007-10-16 15:57:32.000000000 +0200
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--- gdb-6.8.50.20081128.orig/gdb/i386-tdep.h 2008-12-08 10:56:17.000000000 +0100
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+++ gdb-6.8.50.20081128/gdb/i386-tdep.h 2008-12-08 21:07:47.000000000 +0100
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@@ -106,6 +106,9 @@ struct gdbarch_tdep
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/* ISA-specific data types. */
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struct type *i386_mmx_type;
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struct type *i386_sse_type;
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+
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+ /* Detect OS dependent outermost frames; such as `clone'. */
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+ int (*outermost_frame_p) (struct frame_info *next_frame);
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+ int (*outermost_frame_p) (struct frame_info *this_frame);
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};
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/* Floating-point registers. */
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Index: gdb-6.7/gdb/testsuite/gdb.threads/bt-clone-stop.c
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Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/bt-clone-stop.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ gdb-6.7/gdb/testsuite/gdb.threads/bt-clone-stop.c 2007-10-16 15:57:03.000000000 +0200
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+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/bt-clone-stop.c 2008-12-08 11:00:43.000000000 +0100
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@@ -0,0 +1,39 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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@ -207,10 +210,10 @@ Index: gdb-6.7/gdb/testsuite/gdb.threads/bt-clone-stop.c
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+ for (;;)
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+ pause();
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+}
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Index: gdb-6.7/gdb/testsuite/gdb.threads/bt-clone-stop.exp
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Index: gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/bt-clone-stop.exp
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ gdb-6.7/gdb/testsuite/gdb.threads/bt-clone-stop.exp 2007-10-16 15:57:03.000000000 +0200
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+++ gdb-6.8.50.20081128/gdb/testsuite/gdb.threads/bt-clone-stop.exp 2008-12-08 11:00:43.000000000 +0100
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@@ -0,0 +1,61 @@
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+# Copyright 2006 Free Software Foundation, Inc.
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+
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