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2009-01-22 17:17:17 +00:00
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commit 0ffa8e7b93
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@@ -1,388 +1,3 @@
ChangeLog:
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* spu-tdep.c: Include "infcall.h".
(spu_auto_flush_cache_p): New static variable.
(spu_objfile_from_context): New function.
(flush_ea_cache, spu_attach_normal_stop): Likewise.
(show_spu_auto_flush_cache): Likewise.
(_initialize_spu_tdep): Attach to normal_stop observer.
Install "set spu auto-flush-cache" / "show spu auto-flush-cache"
commands.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* spu-tdep.c (spu_address_class_type_flags): New function.
(spu_address_class_type_flags_to_name): Likewise.
(spu_address_class_name_to_type_flags): Likewise.
(spu_pointer_to_address): Handle __ea pointers.
(spu_integer_to_address): Likewise.
(spu_gdbarch_init): Install address class handlers.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* spu-tdep.c: Include "block.h".
(setspucmdlist, showspucmdlist): New static variables.
(spu_stop_on_load_p): Likewise.
(spu_catch_start): New function.
(show_spu_command, set_spu_command): New functions.
(show_spu_stop_on_load): Likewise.
(_initialize_spu_tdep): Attach spu_catch_start to new_objfile observer.
Install "set spu" / "show spu" prefix command handler.
Install "set spu stop-on-load" / "show spu stop-on-load" command.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* ppc-linux-tdep.c: Include "exceptions.h", "arch-utils.h",
and "spu-tdep.h".
(spe_context_lm_addr, spe_context_offset): New static variables.
(spe_context_cache_ptid, spe_context_cache_address): Likewise.
(ppc_linux_new_objfile): New function.
(ppc_linux_spe_context): Likewise.
(struct ppu2spu_cache, struct ppu2spu_data): New data types.
(ppu2spu_prev_arch, ppu2spu_this_id, ppu2spu_prev_register,
ppu2spu_unwind_register, ppu2spu_sniffer,
ppu2spu_dealloc_cache): New functions.
(ppu2spu_unwind): New static variable.
(ppc_linux_init_abi): Install cross-architecture unwinder.
(_initialize_ppc_linux_tdep): Attach to new_objfile observer.
* spu-tdep.c (struct spu2ppu_cache): New data type.
(spu2ppu_prev_arch, spu2ppu_this_id, spu2ppu_prev_register,
spu2ppu_sniffer, spu2ppu_dealloc_cache): New functions.
(spu2ppu_unwind): New static variable.
(spu_gdbarch_init): Install cross-architecture unwinder.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* target.h (enum strata): New value arch_stratum.
* target.c (target_require_runnable): Skip arch_stratum targets.
* configure.tgt (powerpc-*-linux* | powerpc64-*-linux*): Add
solib-spu.o and spu-multiarch.o to gdb_target_obs.
* Makefile.in (ALL_TARGET_OBS): Add solib-spu.o and spu-multiarch.o.
(ALLDEPFILES): Add solib-spu.c and spu-multiarch.c.
* solib-spu.c: New file.
* spu-multiarch.c: New file.
* spu-tdep.h (SPUADDR, SPUADDR_SPU, SPUADDR_ADDR): New macros.
(set_spu_solib_ops): Add prototype.
(spu_multiarch_enable, spu_multiarch_disable): Likewise.
* spu-tdep.c (struct gdbarch_tdep): New members id and lslr.
(spu_lslr): New function.
(spu_address_to_pointer): New function.
(spu_pointer_to_address): Support SPU ID address encoding. Use
lslr from tdep structure.
(spu_integer_to_address): Likewise.
(spu_frame_unwind_cache): Update for encoded addresses.
(spu_unwind_pc, spu_unwind_sp): Likewise.
(spu_read_pc, spu_write_pc): Likewise.
(spu_push_dummy_call): Likewise.
(spu_software_single_step): Likewise.
(spu_overlay_update_osect): Likewise.
(spu_dis_asm_print_address): New function.
(gdb_print_insn_spu): Likewise.
(spu_gdbarch_init): Store requested SPU ID in tdep structure.
Query for LSLR and store it into tdep as well.
Install spu_address_to_pointer and gdb_print_insn_spu.
* ppc-linux-tdep.c: Include "observer.h", "auxv.h" and "elf/common.h".
(ppc_linux_entry_point_addr): New static variable.
(ppc_linux_inferior_created): New function.
(ppc_linux_displaced_step_location): Likewise.
(ppc_linux_init_abi): Enable Cell/B.E. support if supported
by the target.
(_initialize_ppc_linux_tdep): Attach to inferior_created observer.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* features/Makefile (WHICH): Add rs6000/powerpc-cell32l and
rs6000/powerpc-cell64l.
(rs6000/powerpc-cell32l-expedite): Define.
(rs6000/powerpc-cell64l-expedite): Likewise.
* features/rs6000/powerpc-cell32l.xml: New file.
* features/rs6000/powerpc-cell64l.xml: New file.
* features/rs6000/powerpc-cell32l.c: New generated file.
* features/rs6000/powerpc-cell64l.c: New generated file.
* regformats/rs6000/powerpc-cell32l.dat: New generated file.
* regformats/rs6000/powerpc-cell64l.dat: New generated file.
* ppc-linux-tdep.h (tdesc_powerpc_cell32l): Add prototype.
(tdesc_powerpc_cell64l): Likewise.
* ppc-linux-tdep.c: Include "features/rs6000/powerpc-cell32l.c"
and "features/rs6000/powerpc-cell64l.c".
(_initialize_ppc_linux_tdep): Initialize target descriptions.
(ppc_linux_spu_section): New function.
(ppc_linux_core_read_description): Detect Cell/B.E. core files.
* ppc-linux-nat.c (PPC_FEATURE_CELL): Define.
(ppc_linux_read_description): Detect Cell/B.E. architecture.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* target-descriptions.h (tdesc_compatible_p): New.
(tdesc_add_compatible): New.
* target-descriptions.c (arch_p): New VEC_P type.
(struct target_desc): New member compatible.
(free_target_description): Handle it.
(maint_print_c_tdesc_cmd): Likewise.
(tdesc_compatible_p): New function.
(tdesc_add_compatible): New function.
* xml-tdesc.c (tdesc_end_compatible): New function.
(target_children): Handle <compatible> element.
* arch-utils.c (choose_architecture_for_target): Accept target
description instead of BFD architecture as input. Query target
description for compatible architectures.
(gdbarch_info_fill): Update call.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* gdbarch.sh (gcore_bfd_target): New gdbarch callback.
* gdbarch.h, gdbarch.c: Regenerate.
* gcore.c (default_gcore_target): Make return value const.
Call gdbarch_gcore_bfd_target if present.
(default_gcore_arch, default_gcore_mach): Use target_gdbarch.
* corelow.c (core_read_description): Call gdbarch_core_read_description
on core_gdbarch instead of current_gdbarch.
* ppc-linux-tdep.c (ppc_linux_init_abi): Install gcore_bfd_target.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* gdbarch.sh (pointer_to_address): Change to type 'm'.
(address_to_pointer): Likewise.
* gdbarch.c, gdbarch.h: Regenerate.
* inferior.h (unsigned_pointer_to_address): Add GDBARCH argument.
(signed_pointer_to_address): Likewise.
(unsigned_address_to_pointer, address_to_signed_pointer): Likewise.
* findvar.c (unsigned_pointer_to_address): Likewise.
(signed_pointer_to_address): Likewise.
(unsigned_address_to_pointer, address_to_signed_pointer): Likewise.
* avr-tdep.c (avr_address_to_pointer): Likewise.
(avr_pointer_to_address): Likewise.
* iq2000-tdep.c (iq2000_pointer_to_address): Likewise.
(iq2000_address_to_pointer): Likewise.
* m32c-tdep.c (m32c_m16c_address_to_pointer): Likewise.
(m32c_m16c_pointer_to_address): Likewise.
* spu-tdep.c (spu_pointer_to_address): Likewise.
* xstormy16-tdep.c (xstormy16_pointer_to_address): Likewise.
(xstormy16_address_to_pointer): Likewise.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* printcmd.c (print_scalar_formatted): Always truncate
unsigned data types.
* cli-dump.c (struct callback_data): Change type of load_offset
to CORE_ADDR.
(restore_binary_file): Update type casts.
(restore_command): Parse load_offset as address, not long.
* utils.c (string_to_core_addr): Do not sign-extend value.
* varobj.c (find_frame_addr_in_frame_chain): Truncate frame_base
before comparing against requested frame address.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* breakpoint.h (breakpoint_relocate): New.
* breakpoint.c (breakpoint_relocate): New function.
* objfiles.c (objfile_relocate): Call breakpoint_relocate
instead of breakpoint_re_set.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* breakpoint.c (insert_breakpoint): Treat negative return values
from target_insert_breakpoint or target_insert_hw_breakpoint as
temporary issues; do not throw an error.
(remove_breakpoint): Likewise for target_remove_breakpoint and
target_remove_hw_breakpoint.
* i386-nat.c (i386_remove_hw_breakpoint): Return positive value
on failure.
* remote.c (remote_insert_breakpoint): Likewise.
(remote_insert_hw_breakpoint, remote_remove_hw_breakpoint): Likewise.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* solib.h (struct target_so_ops): New member open_bfd.
* solib.c (solib_map_sections): Use open_bfd callback if present.
(symbol_add_stub): Likewise.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* linux-nat.c: Include <sys/vfs.h> and <dirent.h>.
(SPUFS_MAGIC): Define.
(spu_enumerate_spu_ids): New function.
(linux_proc_xfer_spu): New function.
(linux_xfer_partial): Handle TARGET_OBJECT_SPU.
(iterate_over_spus): New function.
(struct linux_spu_corefile_data): New data type.
(linux_spu_corefile_callback): New function.
(linux_spu_make_corefile_notes): New function.
(linux_nat_make_corefile_notes): Call it.
* corelow.c (struct spuid_list): New data type.
(add_to_spuid_list): New function.
(core_xfer_partial): Handle TARGET_OBJECT_SPU.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* arch-utils.h (save_current_gdbarch): New.
* arch-utils.c (restore_current_gdbarch): New function.
(save_current_gdbarch): Likewise.
* frame.c: Include "arch-utils.h".
(get_frame_id): Reset current_gdbarch while calling frame
sniffer callbacks.
(frame_unwind_register_value): Likewise.
(get_frame_type): Likewise.
(frame_arch_unwind): Likewise.
* stack.c: Include "arch-utils.h".
(print_stack_frame): Reset current_gdbarch to frame arch
while handling one frame.
(print_frame_args): Likewise.
(print_frame_info): Likewise.
(print_frame_local_vars): Likewise.
* regcache.c (regcache_raw_read): Reset current_gdbarch
while calling target routines.
(regcache_raw_write): Likewise.
* gdbarch.sh (gdbarch_data): Reset current_gdbarch while
calling data post_init callback.
* gdbarch.c: Regenerate.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* frame.h (frame_arch_unwind): New.
* frame-unwind.h (frame_prev_arch_ftype): New type.
(struct frame_unwind): New member prev_arch.
* frame.c (struct frame_info): New member prev_arch.
(frame_arch_unwind): New function.
(get_frame_arch): Reimplement in terms of frame_arch_unwind.
* sentinel-frame.c (sentinel_frame_prev_arch): New function.
(sentinel_frame_unwinder): Install it.
* frame.c (select_frame): Reset current_gdbarch.
* frame.c (frame_pc_unwind): Use frame_arch_unwind instead
of get_frame_arch.
(frame_unwind_register_value): Likewise.
(frame_unwind_register_signed): Likewise.
(frame_unwind_register_unsigned): Likewise.
* frame-unwind.c (frame_unwind_got_optimized): Likewise.
(frame_unwind_got_register): Likewise.
(frame_unwind_got_constant): Likewise.
(frame_unwind_got_bytes): Likewise.
(frame_unwind_got_address): Likewise.
* frame.h (enum frame_type): New value ARCH_FRAME.
* frame.c (fprint_frame_type): Handle ARCH_FRAME.
* stack.c (print_frame_info): Likewise.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* target.h (struct target_ops): New member to_thread_architecture.
(target_thread_architecture): New macro.
* target.c (update_current_target): Inherit to_thread_architecture.
(default_thread_architecture): New function.
(debug_to_thread_architecture): New function.
(setup_target_debug): Handle to_thread_architecture.
* regcache.h (get_thread_arch_regcache): New.
* regcache.c (struct regcache_list): New data type.
(current_regcache): Hold regcache list instead of single regcache.
(current_thread_ptid, current_thread_arch): New static variables.
(get_thread_arch_regcache): New function.
(get_thread_regcache): Use it. Call target_thread_architecture.
(regcache_thread_ptid_changed): Update to current_regcache changes.
(registers_changed): Likewise. Reset current_thread_arch and
current_thread_ptid.
* thread.c (switch_to_thread): Reset current_gdbarch.
* remote.c (remote_wait): Access target registers in target_gdbarch.
* linux-nat.c (linux_nat_do_thread_registers): Likewise.
* proc-service.c (ps_lgetregs, ps_lsetregs): Likewise.
(ps_lgetfpregs, ps_lsetfpregs): Likewise.
* sol-thread.c (ps_lgetregs, ps_lsetregs): Likewise.
(ps_lgetfpregs, ps_lsetfpregs): Likewise.
gdbserver/ChangeLog:
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* linux-ppc-low.c (INSTR_SC, NR_spu_run): Define.
(parse_spufs_run): New function.
(ppc_get_pc, ppc_set_pc): Detect and handle SPU PC.
(ppc_breakpoint_at): Handle SPU breakpoints.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* configure.srv (powerpc*-*-linux*): Add powerpc-cell32l.o
and powerpc-cell64l.o to srv_regobj. Add rs6000/powerpc-cell32l.xml
and rs6000/powerpc-cell64l.xml to srv_xmlfiles.
* Makefile.in (powerpc-cell32l.o, powerpc-cell32l.c): New rules.
(powerpc-cell64l.o, powerpc-cell64l.c): Likewise.
* linux-ppc-low.c (PPC_FEATURE_CELL): Define.
(init_registers_powerpc_cell32l): Add prototype.
(init_registers_powerpc_cell64l): Likewise.
(ppc_arch_setup): Detect Cell/B.E. architecture.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* linux-low.c: Include <sys/types.h>, <sys/stat.h>,
<sys/vfs.h> and <dirent.h>.
(SPUFS_MAGIC): Define.
(spu_enumerate_spu_ids): New function.
(linux_spu_qxfer_partial): New function.
(linux_target_ops): Install linux_spu_qxfer_partial.
testsuite/ChangeLog:
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* gdb.xml/tdesc-regs.exp: Skip for SPU targets.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* gdb.base/dump.exp: Handle SPU like 64-bit platforms.
doc/ChangeLog:
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* gdb.texinfo (Cell Broadband Engine SPU architecture): Document the
"set spu auto-flush-cache" and "show spu auto-flush-cache" commands.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* gdb.texinfo (Cell Broadband Engine SPU architecture): Document the
"set spu stop-on-load" and "show spu stop-on-load" commands.
2008-09-11 Ulrich Weigand <uweigand@de.ibm.com>
* gdb.texinfo (Target Descriptions): Document <compatible> element.
================================================================================
--- gdb/Makefile.in
+++ gdb/Makefile.in
@@ -499,7 +499,7 @@ ALL_TARGET_OBS = \
@@ -2190,6 +1805,19 @@ doc/ChangeLog:
return 0;
}
--- gdb/gdbserver/thread-db.c
+++ gdb/gdbserver/thread-db.c
@@ -386,6 +386,10 @@ thread_db_get_tls_address (struct thread
td_err_e err;
struct process_info *process;
+ /* If the thread layer is not (yet) initialized, fail. */
+ if (!all_symbols_looked_up)
+ return -1;
+
process = get_thread_process (thread);
if (!process->thread_known)
find_one_thread (process->lwpid);
--- gdb/i386-nat.c
+++ gdb/i386-nat.c
@@ -641,14 +641,14 @@ i386_insert_hw_breakpoint (struct bp_tar
@@ -2566,7 +2194,58 @@ doc/ChangeLog:
#ifndef PPC_FEATURE_BOOKE
#define PPC_FEATURE_BOOKE 0x00008000
#endif
@@ -1244,6 +1247,7 @@ ppc_linux_read_description (struct targe
@@ -1238,12 +1241,58 @@ fill_fpregset (const struct regcache *re
fpregsetp, sizeof (*fpregsetp));
}
+static int
+ppc_linux_target_wordsize (void)
+{
+ int wordsize = 4;
+
+ /* Check for 64-bit inferior process. This is the case when the host is
+ 64-bit, and in addition the top bit of the MSR register is set. */
+#ifdef __powerpc64__
+ long msr;
+
+ int tid = TIDGET (inferior_ptid);
+ if (tid == 0)
+ tid = PIDGET (inferior_ptid);
+
+ errno = 0;
+ msr = (long) ptrace (PTRACE_PEEKUSER, tid, PT_MSR * 8, 0);
+ if (errno == 0 && msr < 0)
+ wordsize = 8;
+#endif
+
+ return wordsize;
+}
+
+static int
+ppc_linux_auxv_parse (struct target_ops *ops, gdb_byte **readptr,
+ gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
+{
+ int sizeof_auxv_field = ppc_linux_target_wordsize ();
+ gdb_byte *ptr = *readptr;
+
+ if (endptr == ptr)
+ return 0;
+
+ if (endptr - ptr < sizeof_auxv_field * 2)
+ return -1;
+
+ *typep = extract_unsigned_integer (ptr, sizeof_auxv_field);
+ ptr += sizeof_auxv_field;
+ *valp = extract_unsigned_integer (ptr, sizeof_auxv_field);
+ ptr += sizeof_auxv_field;
+
+ *readptr = ptr;
+ return 1;
+}
+
static const struct target_desc *
ppc_linux_read_description (struct target_ops *ops)
{
int altivec = 0;
int vsx = 0;
int isa205 = 0;
@@ -2574,30 +2253,41 @@ doc/ChangeLog:
int tid = TIDGET (inferior_ptid);
if (tid == 0)
@@ -1291,6 +1295,9 @@ ppc_linux_read_description (struct targe
@@ -1291,26 +1340,24 @@ ppc_linux_read_description (struct targe
if (ppc_linux_get_hwcap () & PPC_FEATURE_ARCH_2_05)
isa205 = 1;
- /* Check for 64-bit inferior process. This is the case when the host is
- 64-bit, and in addition the top bit of the MSR register is set. */
-#ifdef __powerpc64__
- {
- long msr;
- errno = 0;
- msr = (long) ptrace (PTRACE_PEEKUSER, tid, PT_MSR * 8, 0);
- if (errno == 0 && msr < 0)
- {
- if (vsx)
- return isa205? tdesc_powerpc_isa205_vsx64l : tdesc_powerpc_vsx64l;
- else if (altivec)
- return isa205? tdesc_powerpc_isa205_altivec64l : tdesc_powerpc_altivec64l;
+ if (ppc_linux_get_hwcap () & PPC_FEATURE_CELL)
+ cell = 1;
- return isa205? tdesc_powerpc_isa205_64l : tdesc_powerpc_64l;
- }
- }
-#endif
+ if (ppc_linux_target_wordsize () == 8)
+ {
+ if (cell)
+ return tdesc_powerpc_cell64l;
+ else if (vsx)
+ return isa205? tdesc_powerpc_isa205_vsx64l : tdesc_powerpc_vsx64l;
+ else if (altivec)
+ return isa205? tdesc_powerpc_isa205_altivec64l : tdesc_powerpc_altivec64l;
+
/* Check for 64-bit inferior process. This is the case when the host is
64-bit, and in addition the top bit of the MSR register is set. */
#ifdef __powerpc64__
@@ -1300,7 +1307,9 @@ ppc_linux_read_description (struct targe
msr = (long) ptrace (PTRACE_PEEKUSER, tid, PT_MSR * 8, 0);
if (errno == 0 && msr < 0)
{
- if (vsx)
+ if (cell)
+ return tdesc_powerpc_cell64l;
+ else if (vsx)
return isa205? tdesc_powerpc_isa205_vsx64l : tdesc_powerpc_vsx64l;
else if (altivec)
return isa205? tdesc_powerpc_isa205_altivec64l : tdesc_powerpc_altivec64l;
@@ -1310,7 +1319,9 @@ ppc_linux_read_description (struct targe
}
#endif
+ return isa205? tdesc_powerpc_isa205_64l : tdesc_powerpc_64l;
+ }
- if (vsx)
+ if (cell)
@@ -2606,6 +2296,14 @@ doc/ChangeLog:
return isa205? tdesc_powerpc_isa205_vsx32l : tdesc_powerpc_vsx32l;
else if (altivec)
return isa205? tdesc_powerpc_isa205_altivec32l : tdesc_powerpc_altivec32l;
@@ -1342,6 +1389,7 @@ _initialize_ppc_linux_nat (void)
t->to_watchpoint_addr_within_range = ppc_linux_watchpoint_addr_within_range;
t->to_read_description = ppc_linux_read_description;
+ t->to_auxv_parse = ppc_linux_auxv_parse;
/* Register the target. */
linux_nat_add_target (t);
--- gdb/ppc-linux-tdep.c
+++ gdb/ppc-linux-tdep.c
@@ -38,12 +38,20 @@
@@ -3491,6 +3189,15 @@ doc/ChangeLog:
+32:vrsave
--- gdb/remote.c
+++ gdb/remote.c
@@ -4523,7 +4523,7 @@ process_stop_reply (struct stop_reply *s
for (ix = 0;
VEC_iterate(cached_reg_t, stop_reply->regcache, ix, reg);
ix++)
- regcache_raw_supply (get_thread_regcache (ptid),
+ regcache_raw_supply (get_thread_arch_regcache (ptid, target_gdbarch),
reg->num, reg->data);
VEC_free (cached_reg_t, stop_reply->regcache);
}
@@ -6781,7 +6781,7 @@ remote_insert_breakpoint (struct bp_targ
switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z0]))
{
@@ -3536,6 +3243,25 @@ doc/ChangeLog:
case PACKET_OK:
return 0;
}
--- gdb/rs6000-tdep.c
+++ gdb/rs6000-tdep.c
@@ -3338,6 +3338,16 @@ rs6000_gdbarch_init (struct gdbarch_info
int num_pseudoregs = 0;
int cur_reg;
+ /* INFO may refer to a binary that is not of the PowerPC architecture,
+ e.g. when debugging a stand-alone SPE executable on a Cell/B.E. system.
+ In this case, we must not attempt to infer properties of the (PowerPC
+ side) of the target system from properties of that executable. Trust
+ the target description instead. */
+ if (info.abfd
+ && bfd_get_arch (info.abfd) != bfd_arch_powerpc
+ && bfd_get_arch (info.abfd) != bfd_arch_rs6000)
+ info.abfd = NULL;
+
from_xcoff_exec = info.abfd && info.abfd->format == bfd_object &&
bfd_get_flavour (info.abfd) == bfd_target_xcoff_flavour;
--- gdb/sentinel-frame.c
+++ gdb/sentinel-frame.c
@@ -76,11 +76,23 @@ sentinel_frame_this_id (struct frame_inf
@@ -3603,7 +3329,7 @@ doc/ChangeLog:
if (target_has_execution)
--- gdb/solib-spu.c
+++ gdb/solib-spu.c
@@ -0,0 +1,478 @@
@@ -0,0 +1,482 @@
+/* Cell SPU GNU/Linux support -- shared library handling.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+
@@ -3692,14 +3418,18 @@ doc/ChangeLog:
+ make_cleanup_restore_integer (&suppress_stop_observer);
+ suppress_stop_observer = 1;
+
+ /* We either may or may not have an extra SIGTRAP pending, depending
+ on whether we've started a new inferior or attached to one that was
+ already running. We cannot readily distinguish between the two,
+ in particular when using the extended-remote target. Thus, we pass
+ TARGET_SIGNAL_TRAP to resume -- this way we will always get a trap.
+ (If one was already pending, it will be combined into this trap.) */
+ /* Only some kernels report an extra SIGTRAP with the binfmt_misc
+ loader; others do not. In addition, if we have attached to an
+ already running inferior instead of starting a new one, we will
+ not see the extra SIGTRAP -- and we cannot readily distinguish
+ the two cases, in particular with the extended-remote target.
+
+ Thus we issue a single-step here. If no extra SIGTRAP was pending,
+ this will step past the first instruction of the stand-alone SPE
+ executable loader, but we don't care about that. */
+
+ inferior->stop_soon = STOP_QUIETLY;
+ resume (0, TARGET_SIGNAL_TRAP);
+ resume (1, TARGET_SIGNAL_0);
+ wait_for_inferior (1);
+ inferior->stop_soon = NO_STOP_QUIETLY;
+
@@ -4146,7 +3876,7 @@ doc/ChangeLog:
/* Free the memory associated with a (so_list *). */
--- gdb/spu-multiarch.c
+++ gdb/spu-multiarch.c
@@ -0,0 +1,450 @@
@@ -0,0 +1,461 @@
+/* Cell SPU GNU/Linux multi-architecture debugging support.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+
@@ -4337,6 +4067,11 @@ doc/ChangeLog:
+ ret = ops_beneath->to_insert_breakpoint (bp);
+ do_cleanups (old_chain);
+
+ /* Ignore failure to insert breakpoints in a stand-alone SPE
+ executable just before exit, when the FD is already gone. */
+ if (spu_standalone_p () && ret > 0)
+ ret = -1;
+
+ return ret;
+}
+
@@ -4366,6 +4101,11 @@ doc/ChangeLog:
+ ret = ops_beneath->to_remove_breakpoint (bp);
+ do_cleanups (old_chain);
+
+ /* Ignore failure to remove breakpoints in a stand-alone SPE
+ executable just before exit, when the FD is already gone. */
+ if (spu_standalone_p () && ret > 0)
+ ret = -1;
+
+ return ret;
+}
+
@@ -4562,7 +4302,8 @@ doc/ChangeLog:
+static void
+spu_mourn_inferior (struct target_ops *ops)
+{
+ find_target_beneath (&spu_ops)->to_mourn_inferior (ops);
+ struct target_ops *ops_beneath = find_target_beneath (ops);
+ ops_beneath->to_mourn_inferior (ops_beneath);
+ spu_multiarch_disable ();
+}
+