A few bits in the newer UART LSR register are not sticky, so make sure
we clear them when returning updated status rather than leaving them
always set.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
PR ld/12365
* cofflink.c (bfd_coff_link_input_bfd): Check for and warn about
references to symbols defined in discarded sections.
ld/ChangeLog:
PR ld/12365
* scripttempl/pe.sc (__rt_psrelocs_start): New symbol definition.
(__rt_psrelocs_end): Likewise.
(__rt_psrelocs_size): Likewise difference between the above.
(__RUNTIME_PSEUDO_RELOC_LIST_END__): Move outside .rdata section
immediately after end of pseudo-reloc data.
(___RUNTIME_PSEUDO_RELOC_LIST_END___): Likewise.
(__RUNTIME_PSEUDO_RELOC_LIST__): Move outside .rdata section and
calculate backward from list end.
(___RUNTIME_PSEUDO_RELOC_LIST___): Likewise.
* scripttempl/pep.sc: Likewise.
ld/testsuite/ChangeLog:
PR ld/12365
* ld-plugin/plugin-7.d: Allow underscore in error message.
* ld-plugin/plugin-8.d: Likewise.
Use throughout in place of #if SUPPORT_FRAME_LINKONCE.
(struct fde_entry): Rename cseg to cur_seg.
(cfi_change_reg_numbers): Remove ATTRIBUTE_UNUSED.
(get_cfi_seg): Likewise. Use if (SUPPORT_FRAME_LINKONCE) rather
that #if SUPPORT_FRAME_LINKONCE.
(cfi_finish): Likewise.
* ppc-linux-tdep.c (ppu2spu_prev_register): Handle pseudo registers.
(ppu2spu_unwind_register): Mark pseudo registers unavailable.
* spu-tdep.c (op_selb): Use correct value.
testsuite/ChangeLog:
* gdb.cell/bt.exp: Delete breakpoints before running to signal
to avoid race condition.
* gdb.cell/coremaker.c: Use small stack size.
* gdb.cell/ea-standalone.exp: Use file name without path as
argument to c_to.
* gdb.cell/fork.exp: Allow other output when continuing to end.
Thiago Jung Bauermann <bauerman@br.ibm.com>
Implement support for PowerPC BookE masked watchpoints.
gdb/
* NEWS: Mention masked watchpoint support. Create "Changed commands"
section.
* breakpoint.h (struct breakpoint_ops) <works_in_software_mode>: New
method. Initialize to NULL in all existing breakpoint_ops instances.
(struct breakpoint) <hw_wp_mask>: New field.
* breakpoint.c (is_masked_watchpoint): Add prototype.
(update_watchpoint): Don't set b->val for masked watchpoints. Call
breakpoint's breakpoint_ops.works_in_software_mode if available.
(watchpoints_triggered): Handle the case of a hardware masked
watchpoint trigger.
(watchpoint_check): Likewise.
(works_in_software_mode_watchpoint): New function.
(insert_masked_watchpoint, remove_masked_watchpoint)
(resources_needed_masked_watchpoint)
(works_in_software_mode_masked_watchpoint, print_it_masked_watchpoint)
(print_one_detail_masked_watchpoint, print_mention_masked_watchpoint)
(print_recreate_masked_watchpoint, is_masked_watchpoint): New
functions.
(masked_watchpoint_breakpoint_ops): New structure.
(watch_command_1): Check for the existence of the `mask' parameter.
Set b->ops according to the type of hardware watchpoint being created.
* ppc-linux-nat.c (ppc_linux_insert_mask_watchpoint)
(ppc_linux_remove_mask_watchpoint)
(ppc_linux_masked_watch_num_registers): New functions.
(_initialize_ppc_linux_nat): Initialize to_insert_mask_watchpoint,
to_remove_mask_watchpoint and to_masked_watch_num_registers.
* target.c (update_current_target): Mention to_insert_mask_watchpoint,
to_remove_mask_watchpoint, and to_masked_watch_num_registers.
(target_insert_mask_watchpoint, target_remove_mask_watchpoint)
(target_masked_watch_num_registers): New functions.
* target.h (struct target_ops) <to_insert_mask_watchpoint>,
<to_remove_mask_watchpoint>, <to_masked_watch_num_registers>: New
methods.
(target_insert_mask_watchpoint, target_remove_mask_watchpoint)
(target_masked_watch_num_registers): Add prototypes.
gdb/doc/
* gdb.texinfo (Set Watchpoints): Document mask parameter.
(PowerPC Embedded): Mention support of masked watchpoints.
* gdb.threads/gcore-thread.exp (objfile, opts): New variables.
Try to compile the test using -Wl,-z,norelro first.
(load_core): New variable libthread_db_seen, initialize it.
(zeroed-threads cannot be listed): Protect it by XFAIL on
!$libthread_db_seen.
PR 12573
* dwarf2read.c (struct dwarf2_cu): New field has_loclist.
(producer_is_gcc_ge_4_0): New function.
(process_full_comp_unit): Set also symtab->locations_valid. Move the
symtab->language code.
(var_decode_location): Set cu->has_loclist.
* symtab.c (skip_prologue_sal): New variables saved_pc, force_skip and
skip. Intialize force_skip from locations_valid. Move the prologue
skipping code into two passes.
* symtab.h (struct symtab): Make the primary field a bitfield. New
field locations_valid.
gdb/testsuite/
PR 12573
* gdb.dwarf2/dw2-skip-prologue.S: New file.
* gdb.dwarf2/dw2-skip-prologue.c: New file.
* gdb.dwarf2/dw2-skip-prologue.exp: New file.
* c-exp.y (qualified_name): Call destructor_name_p with $1.type.
(classify_inner_name): Call cp_lookup_nested_type with
yylval.tsym.type.
* cp-namespace.c (cp_lookup_nested_type): New variable
saved_parent_type. Call CHECK_TYPEDEF for parent_type. Call
type_name_no_tag_or_error with saved_parent_type.
* dwarf2read.c (load_partial_dies): Read in any children of
DW_TAG_typedef with complaint in such case.
* gdbtypes.c (type_name_no_tag_or_error): New function.
* gdbtypes.h (type_name_no_tag_or_error): New prototype.
* valops.c (destructor_name_p): New comment for parameter type. Remove
type const. Make dname and cp const. Call type_name_no_tag_or_error.
* value.h (destructor_name_p): Remove type const.
Fix a race.
* gdb.cp/static-print-quit.exp (print c): Split to ...
(print c - <return>, print c - q <return>, print c - to quit):
... these. Make the testfile untested on gdb-7.1.
* vms-alpha.c (evax_section_flags): Remove SEC_IN_MEMORY.
(_bfd_vms_slurp_egsd): Rename old_flags to vms_flags. Handle
any code section. Add comments.
(alpha_vms_object_p): Use void * instead of PTR.
(alpha_vms_create_eisd_for_section): Fix test for setting DZRO.
(build_module_list): Guard against no DST section. Add comments.
(alpha_vms_link_output_symbol): Discard undefined symbols.
(alpha_vms_get_section_contents): Simply memcpy if the section was
already loaded. Fix typo.
(vms_new_section_hook): Use void * instead of PTR.
(vms_alpha_vec): Ditto.
* elf32-arm.c (cortex_a8_erratum_scan): If the stub is a Thumb
branch to a PLT entry, redirect it to the PLT's Thumb entry point.
ld/testsuite/
* ld-arm/cortex-a8-fix-b-plt.s, ld-arm/cortex-a8-fix-b-plt.d,
ld-arm/cortex-a8-fix-bcc-plt.s, ld-arm/cortex-a8-fix-bcc-plt.d,
ld-arm/cortex-a8-fix-bl-plt.s, ld-arm/cortex-a8-fix-bl-plt.d,
ld-arm/cortex-a8-fix-blx-plt.s, ld-arm/cortex-a8-fix-blx-plt.d,
ld-arm/cortex-a8-fix-plt.ld: New tests.
* ld-arm/arm-elf.exp: Run them.
* breakpoint.c (update_watchpoint): Change between software and
hardware watchpoint for all kinds of watchpoints, not just
read/write ones. Determine b->exact value here instead of
in watch_command_1. Error out if there are not enough resources
for a read or access hardware watchpoint.
(watch_command_1): Remove logic of checking whether there are
enough resources available, since update_watchpoint will do that
work now. Don't set b->exact here. Catch exceptions thrown by
update_watchpoint and delete the watchpoint.
(can_use_hardware_watchpoint): Remove exact_watchpoints argument.
Use target_exact_watchpoints instead.
(delete_breakpoint): Notify observers only if deleted watchpoint
has a breakpoint number assigned to it.
* elf32-tic6x.c (elf32_tic6x_final_link): New function.
(elf32_tic6x_merge_attributes): Do not warn for PID or PIC
mismatch. Choose the lower of the two values.
(bfd_elf32_bfd_final_link): New macro.
ld/testsuite/
* ld-tic6x/shared-nopic.d: New test.
* ld-tic6x/shared-nopid.d: New test.
* ld-tic6x/attr-pid-21.d: Don't expect a warning; check readelf
output instead.
* ld-tic6x/attr-pid-12.d: Likewise.
* ld-tic6x/attr-pic-01.d: Likewise.
* ld-tic6x/attr-pic-10.d: Likewise.
* ld-tic6x/attr-pid-01.d: Likewise.
* ld-tic6x/attr-pid-10.d: Likewise.
* ld-tic6x/attr-pid-02.d: Likewise.
* ld-tic6x/attr-pid-20.d: Likewise.
* ld-tic6x/got-reloc-inrange.d: Pass -mpic and -mpid options to gas.
* i386-tdep.c (i386_in_stack_tramp_p, i386_stack_tramp_frame_sniffer):
New functions.
(i386_stack_tramp_frame_unwind): New static global.
(i386_match_pattern): New function, extracted from i386_match_insn.
(i386_match_insn): Use i386_match_pattern.
(i386_match_insn_block): New function.
(i386_tramp_chain_in_reg_insns)
(i386_tramp_chain_on_stack_insns): New static variables.
(i386_gdbarch_init): Add i386_stack_tramp_frame_unwind to list
of unwinders.
file to conditionally compile code added 2011-04-26.
(cfi_change_reg_numbers): Add ATTRIBUTE_UNUSED on params only used
when SUPPORT_FRAME_LINKONCE.
(get_cfi_seg): Likewise. Reintroduce old code for when not
SUPPORT_FRAME_LINKONCE.
(cfi_finish): Move get_cfi_seg calls out of loop when not
SUPPORT_FRAME_LINKONCE. Avoid unused var warning.
