Jakub Jelinek [Tue, 11 May 2004 17:08:38 +0000 (17:08 +0000)]
bfd/
* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol
into .dynsym if elf_section_data (sec)->dynindx <= 0.
Adjust counting of last_local.
(_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections
other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt
created by the linker nor !SHF_ALLOC.
* elf32-i386.c (elf_i386_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section. Set sh_entsize for .got section in addition
to .got.plt.
(elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma.
* elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section.
(elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma. Set sh_entsize for .got section
in addition to .got.plt.
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Likewise.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Likewise.
* elflink.c (bfd_elf_size_dynamic_sections): Set
elf_tdata (output_bfd)->relro from info->relro.
* elf-bfd.h (struct elf_obj_tdata): Add relro field.
include/
* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
relro_end fields.
* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
(PT_GNU_RELRO): Define.
binutils/
* readelf.c (get_segment_type): Handle PT_GNU_RELRO.
ld/
* genscripts.sh: Generate -z combreloc -z now -z relro scripts
for binaries, -shared and -pie.
* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to...
(OTHER_RELRO_SECTIONS): ... this.
* ldlex.l (DATA_SEGMENT_RELRO_END): Add.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z relro and -z norelro.
(gld${EMULATION_NAME}_list_options): Add it to usage.
(gld${EMULATION_NAME}_get_script): Return -z combreloc -z now
-z relro scripts when appropriate.
* scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set.
Create separate .got.plt section if SEPARATE_GOTPLT.
Move sections which are only written during relocation handling
to the beginning of RW segment. If NO_SMALL_DATA, move .got
before .data. Add DATA_SEGMENT_RELRO_END directive.
Include OTHER_RELRO_SECTIONS.
* ldgram.y (DATA_SEGMENT_RELRO_END): Add.
* ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END.
(fold_unary): Likewise.
(fold_binary): Handle -z relro.
* ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and
exp_dataseg_relro_adjust phases. Add relro_end field.
* ldmain.c (main): Initialize link_info.relro to FALSE.
* ldlang.c (lang_size_sections): Handle -z relro.
ld/testsuite/
* ld-i386/tlspic.rd: Adjust for section reordering changes
and removal of unneeded STT_SECTION symbols from .dynsym.
* ld-i386/tlspic.dd: Likewise.
* ld-i386/tlspic.sd: Likewise.
* ld-i386/tlsbin.rd: Likewise.
* ld-i386/tlsbinpic.s: Likewise.
* ld-i386/tlsbin.dd: Likewise.
* ld-i386/tlsbin.sd: Likewise.
* ld-i386/tlsnopic.rd: Likewise.
* ld-i386/tlsnopic1.s: Likewise.
* ld-i386/combreloc.d: Likewise.
* ld-i386/tlsnopic.dd: Likewise.
* ld-i386/tlsnopic.sd: Likewise.
* ld-x86-64/tlspic.rd: Likewise.
* ld-x86-64/tlspic.dd: Likewise.
* ld-x86-64/tlsbin.dd: Likewise.
* ld-x86-64/tlspic.sd: Likewise.
* ld-x86-64/tlsbin.sd: Likewise.
* ld-x86-64/tlspic.td: Likewise.
* ld-x86-64/tlsbin.td: Likewise.
* ld-x86-64/tlsbin.rd: Likewise.
* ld-s390/tlspic1.s: Likewise.
* ld-s390/tlsbinpic.s: Likewise.
* ld-s390/tlspic.rd: Likewise.
* ld-s390/tlsbin.rd: Likewise.
* ld-s390/tlspic.dd: Likewise.
* ld-s390/tlsbin.dd: Likewise.
* ld-s390/tlsbin.sd: Likewise.
* ld-s390/tlsbin.td: Likewise.
* ld-s390/tlspic.sd: Likewise.
* ld-s390/tlspic.td: Likewise.
* ld-s390/tlspic1_64.s: Likewise.
* ld-s390/tlsbinpic_64.s: Likewise.
* ld-s390/tlspic_64.rd: Likewise.
* ld-s390/tlsbin_64.rd: Likewise.
* ld-s390/tlspic_64.dd: Likewise.
* ld-s390/tlsbin_64.dd: Likewise.
* ld-s390/tlspic_64.sd: Likewise.
* ld-s390/tlspic_64.td: Likewise.
* ld-s390/tlsbin_64.td: Likewise.
* ld-s390/tlsbin_64.sd: Likewise.
* ld-powerpc/tlsexe32.r: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.t: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-ia64/tlspic.rd: Likewise.
* ld-ia64/tlspic.dd: Likewise.
* ld-ia64/tlspic.sd: Likewise.
* ld-ia64/tlspic.td: Likewise.
* ld-ia64/tlsbin.rd: Likewise.
* ld-ia64/tlsbin.sd: Likewise.
* ld-ia64/tlsbin.td: Likewise.
* ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x.
* ld-shared/shared.exp: Likewise.
Jim Blandy [Tue, 11 May 2004 04:55:32 +0000 (04:55 +0000)]
* ppc-tdep.h (struct gdbarch_tdep): Change definition of
ppc_fp0_regnum and ppc_fpscr_regnum: if they are -1, then this
processor variant lacks those registers.
(ppc_floating_point_unit_p): Change description to make it clear
that this returns info about the ISA, not the ABI.
* rs6000-tdep.c (ppc_floating_point_unit_p): Decide whether to
return true or false by checking tdep->ppc_fp0_regnum and
tdep->ppc_fpscr_regnum. The original code replicated the BFD
arch/mach switching done in rs6000_gdbarch_init; it's better to
keep that logic there, and just check the results here.
(rs6000_gdbarch_init): On the E500, set tdep->ppc_fp0_regnum and
tdep->ppc_fpscr_regnum to -1 to indicate that we have no
floating-point registers.
(ppc_supply_fpregset, ppc_collect_fpregset)
(rs6000_push_dummy_call, rs6000_extract_return_value)
(rs6000_store_return_value): Assert that we have floating-point
registers.
(rs6000_dwarf2_stab_reg_to_regnum): Add FIXME.
(rs6000_frame_cache): Don't note the locations at which
floating-point registers were saved if we have no fprs.
* aix-thread.c (supply_fprs, fill_fprs): Assert that we have FP
registers.
(fetch_regs_user_thread, fetch_regs_kernel_thread)
(store_regs_user_thread, store_regs_kernel_thread): Only call
supply_fprs / fill_fprs if we actually have floating-point
registers.
(special_register_p): Check ppc_fpscr_regnum before matching
against it.
(supply_sprs64, supply_sprs32, fill_sprs64, fill_sprs32): Don't
supply / collect fpscr if we don't have it.
* ppc-bdm.c: #include "gdb_assert.h".
(bdm_ppc_fetch_registers, bdm_ppc_store_registers): Assert that we
have floating-point registers, since I can't test this code on
FP-free systems to adapt it.
* ppc-linux-nat.c (ppc_register_u_addr): Don't match against the
fpscr and floating point register numbers if they don't exist.
(fetch_register): Assert that we have floating-point registers
before we reach the code that handles them.
(store_register): Same. And use tdep instead of calling
gdbarch_tdep again.
(fill_fpregset): Don't try to collect FP registers and fpscr if we
don't have them.
(ppc_linux_sigtramp_cache): Don't record the saved locations of
fprs and fpscr if we don't have them.
(ppc_linux_supply_fpregset): Don't supply fp regs and fpscr if we
don't have them.
* ppcnbsd-nat.c: #include "gdb_assert.h".
(getfpregs_supplies): Assert that we have floating-point registers.
* ppcnbsd-tdep.c (ppcnbsd_supply_fpreg, ppcnbsd_fill_fpreg): Same.
* ppcobsd-tdep.c: #include "gdb_assert.h".
(ppcobsd_supply_gregset, ppcobsd_collect_gregset): Assert that we
have floating-point registers.
* rs6000-nat.c (regmap): Don't match against the fpscr and
floating point register numbers if they don't exist.
(fetch_inferior_registers, store_inferior_registers,
fetch_core_registers): Only fetch / store / supply the
floating-point registers and the fpscr if we have them.
* Makefile.in (ppc-bdm.o, ppc-linux-nat.o, ppcnbsd-nat.o)
(ppcobsd-tdep.o): Update dependencies.
Andrew Cagney [Mon, 10 May 2004 18:36:07 +0000 (18:36 +0000)]
2004-05-10 Andrew Cagney <cagney@redhat.com>
* infrun.c (check_sigtramp2): Delete function.
(handle_inferior_event): When single stepping, and taking a
signal, set a breakpoint at the signal return address. Delete
redundant calls to check_sigtramp2.
(insert_step_resume_breakpoint): New function.
(through_sigtramp_breakpoint, handle_inferior_event)
(follow_exec, wait_for_inferior, fetch_inferior_event)
(currently_stepping, keep_going): Delete most uses of
through_sigtramp_breakpoint, not that it should be deleted.
(delete_breakpoint_current_contents): Delete function.
Index: testsuite/ChangeLog
2004-05-10 Andrew Cagney <cagney@redhat.com>
* gdb.base/signals.exp (signal_tests_1): Simplify "continue to
func1" and "next to 2nd alarm", kernel bug avoided.
Jim Blandy [Mon, 10 May 2004 17:07:02 +0000 (17:07 +0000)]
* ppc-tdep.h (struct gdbarch_tdep): Change definition of
ppc_fp0_regnum and ppc_fpscr_regnum: if they are -1, then this
processor variant lacks those registers.
(ppc_floating_point_unit_p): Change description to make it clear
that this returns info about the ISA, not the ABI.
* rs6000-tdep.c (ppc_floating_point_unit_p): Decide whether to
return true or false by checking tdep->ppc_fp0_regnum and
tdep->ppc_fpscr_regnum. The original code replicated the BFD
arch/mach switching done in rs6000_gdbarch_init; it's better to
keep that logic there, and just check the results here.
(rs6000_gdbarch_init): On the E500, set tdep->ppc_fp0_regnum and
tdep->ppc_fpscr_regnum to -1 to indicate that we have no
floating-point registers.
(ppc_supply_fpregset, ppc_collect_fpregset)
(rs6000_push_dummy_call, rs6000_extract_return_value)
(rs6000_store_return_value): Assert that we have floating-point
registers.
(rs6000_dwarf2_stab_reg_to_regnum): Add FIXME.
(rs6000_frame_cache): Don't note the locations at which
floating-point registers were saved if we have no fprs.
* aix-thread.c (supply_fprs, fill_fprs): Assert that we have FP
registers.
(fetch_regs_user_thread, fetch_regs_kernel_thread)
(store_regs_user_thread, store_regs_kernel_thread): Only call
supply_fprs / fill_fprs if we actually have floating-point
registers.
(special_register_p): Check ppc_fpscr_regnum before matching
against it.
(supply_sprs64, supply_sprs32, fill_sprs64, fill_sprs32): Don't
supply / collect fpscr if we don't have it.
* ppc-bdm.c: #include "gdb_assert.h".
(bdm_ppc_fetch_registers, bdm_ppc_store_registers): Assert that we
have floating-point registers, since I can't test this code on
FP-free systems to adapt it.
* ppc-linux-nat.c (ppc_register_u_addr): Don't match against the
fpscr and floating point register numbers if they don't exist.
(fetch_register): Assert that we have floating-point registers
before we reach the code that handles them.
(store_register): Same. And use tdep instead of calling
gdbarch_tdep again.
(fill_fpregset): Don't try to collect FP registers and fpscr if we
don't have them.
(ppc_linux_sigtramp_cache): Don't record the saved locations of
fprs and fpscr if we don't have them.
(ppc_linux_supply_fpregset): Don't supply fp regs and fpscr if we
don't have them.
* ppcnbsd-nat.c: #include "gdb_assert.h".
(getfpregs_supplies): Assert that we have floating-point registers.
* ppcnbsd-tdep.c (ppcnbsd_supply_fpreg, ppcnbsd_fill_fpreg): Same.
* ppcobsd-tdep.c: #include "gdb_assert.h".
(ppcobsd_supply_gregset, ppcobsd_collect_gregset): Assert that we
have floating-point registers.
* rs6000-nat.c (regmap): Don't match against the fpscr and
floating point register numbers if they don't exist.
(fetch_inferior_registers, store_inferior_registers,
fetch_core_registers): Only fetch / store / supply the
floating-point registers and the fpscr if we have them.
* Makefile.in (ppc-bdm.o, ppc-linux-nat.o, ppcnbsd-nat.o)
(ppcobsd-tdep.o): Update dependencies.
PR external/1568
* gdb.base/bigcore.exp: Check the size of the dumped core file.
XFAIL if it is smaller than bytes_allocated.
* gdb.base/bigcore.c (bytes_allocated): Make static and unsigned.
(main): Make chunks_allocated unsigned. Correct comment.
Mark Kettenis [Sun, 9 May 2004 18:51:38 +0000 (18:51 +0000)]
* m68k-tdep.c (m68k_convert_register_p, m68k_register_to_value)
(m68k_value_to_register): New functions.
(m68k_gdbarch_init): Set convert_register_p, register_to_value and
value_to_register.
Mark Kettenis [Sat, 8 May 2004 22:52:43 +0000 (22:52 +0000)]
* vax-tdep.c: Tweak comments. Reorder include files. Don't
include "symtab.h", "opcode/vax.h" and "inferior.h".
(vax_skip_prologue): Replace calls to read_memory_integer by calls
to read_memory_unsigned_integer.
(vax_gdbarch_init): Reorder.
(_initialize_vax_tdep): Spell out prototype.
* Makefile.in (vax-tdep.o): Update dependencies.
Andrew Cagney [Sat, 8 May 2004 22:19:30 +0000 (22:19 +0000)]
2004-05-08 Andrew Cagney <cagney@redhat.com>
* infcall.c (call_function_by_hand): When no
DEPRECATED_SAVE_DUMMY_FRAME_TOS call generic_save_dummy_frame_tos.
* rs6000-tdep.c (rs6000_gdbarch_init): Do not set
DEPRECATED_SAVE_DUMMY_FRAME_TOS.
* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
* mcore-tdep.c (mcore_gdbarch_init): Ditto.
Alexandre Oliva [Sat, 8 May 2004 07:05:32 +0000 (07:05 +0000)]
* elf32-frv.c (_frvfdpic_add_dyn_reloc): Don't warn when we get
a zero symndx for which we hadn't accounted a dynamic relocation.
(_frvfdpic_add_rofixup): Likewise.
Randolph Chung [Sat, 8 May 2004 03:45:44 +0000 (03:45 +0000)]
2004-05-07 Randolph Chung <tausq@debian.org>
* hppa-linux-tdep.c (hppa_linux_sigtramp_find_sigcontext): Pass in pc
instead of sp, handle sigaltstack case.
(hppa_linux_sigtramp_frame_unwind_cache): Adjust calls to
hppa_linux_sigtramp_find_sigcontext, and set base to the frame of the
signal handler and not that of the caller.
(hppa_linux_sigtramp_unwind_sniffer): Adjust calls to
hppa_linux_sigtramp_find_sigcontext.
Randolph Chung [Sat, 8 May 2004 03:27:24 +0000 (03:27 +0000)]
2004-05-07 Randolph Chung <tausq@debian.org>
* Makefile.in (ALLDEPFILES): Add hppa-linux-tdep.c and
hppa-linux-nat.c.
(hppa-linux-tdep.o, hppa-linux-nat.o): Define rules.
* hppa-linux-nat.c (fetch_register, store_register): Define.
(fetch_inferior_registers, store_inferior_registers): Define.
(supply_gregset): Add comment and clean up some unneeded code.
(fill_gregset): Add comment and fix so that it saves registers in
the right place in the gregset.
(fill_fpregset): Fix buffer overrun problem.
* config/pa/nm-linux.h (FETCH_INFERIOR_REGISTERS): Define.
Randolph Chung [Sat, 8 May 2004 03:17:57 +0000 (03:17 +0000)]
2004-05-07 Randolph Chung <tausq@debian.org>
* hppa-tdep.c (hppa_frame_prev_register_helper): New function to
do common handling of the pcoqt register.
(hppa_frame_prev_register, hppa_stub_frame_prev_register): Convert
to use helper function.
(hppa_frame_unwind_sniffer): Only use if unwind entry is present.
(hppa_fallback_frame_cache, hppa_fallback_frame_this_id)
(hppa_fallback_frame_prev_register, hppa_fallback_frame_unwind): New
generic fallback unwinder when all else fails.
(hppa_gdbarch_init): Add fallback sniffer.
* hppa-tdep.h (hppa_frame_prev_register_helper): Prototype.
* hppa-linux-tdep.c (hppa_linux_sigtramp_frame_prev_register): Convert
to use helper function.
Jim Blandy [Fri, 7 May 2004 20:50:37 +0000 (20:50 +0000)]
* aix-thread.c (fetch_regs_kernel_thread, fill_gprs64,
fill_gprs32, store_regs_kernel_thread): Use tdep->ppc_gp0_regnum
to recognize gpr regnums, instead of assuming that
tdep->ppc_fp0_regnum marks the end of the general-purpose
registers.
Andrew Cagney [Fri, 7 May 2004 14:55:59 +0000 (14:55 +0000)]
2004-05-07 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_USE_GENERIC_DUMMY_FRAMES): Replace with
macro defined to 1.
* gdbarch.h, gdbarch.c: Re-generate.
* ns32k-tdep.c (ns32k_gdbarch_init): Do not set
deprecated_use_generic_dummy_frames.
Alexandre Oliva [Fri, 7 May 2004 06:28:39 +0000 (06:28 +0000)]
* elf32-frv.c (elf32_frvfdpic_modify_segment_map): Return
immediately if there's no link info.
(elf32_frvfdpic_copy_private_bfd_data): New.
(bfd_elf32_bfd_copy_private_bfd_data): Use it for frvfdpic.
Jim Wilson [Thu, 6 May 2004 22:32:44 +0000 (22:32 +0000)]
Patch from David Mosberger-Tang.
* config/tc-ia64.c (dot_serialize): Declare.
(dot_serialize): New function.
(md_pseudo_table): Add ".serialize.data" and
".serialize.instruction" directives.
Alexandre Oliva [Thu, 6 May 2004 02:46:29 +0000 (02:46 +0000)]
* configure.in (bfd_elf32_frvfdpic_vec): New.
* configure: Rebuilt.
* targets.c (bfd_elf32_frvfdpic_vec): New.
* config.bfd: Enable it on frv-*-elf and frv-*-*linux*, as default
on the latter.
* elf32-frv.c: Prefix all identifiers added for FDPIC support with
frvfdpic instead of frv. Rearrange elf-target macros such that
the FDPIC-specific ones are only defined for this new target
vector.
(bfd_elf32_frvfdpic_vec): Declare.
(IS_FDPIC): New.
(elf32_frv_relocate_section): Use it to enable segment checking
and to control rofixup emission. Add output section vma to
applied relocation in non-LOAD non-ALLOC sections. Use
_bfd_error_handler for errors.
(_frv_create_got_section): Create .rel.got and .rofixup only in
FDPIC. Create non-dynamic _gp at .got+2048 in non-FDPIC, like the
linker script.
(elf32_frvfdpic_size_dynamic_sections): Assume FDPIC.
(elf32_frvfdpic_modify_segment_map): Likewise.
(elf32_frv_finish_dynamic_sections): New, do-nothing.
(elf32_frvfdpic_finish_dynamic_sections): Assume FDPIC. Improve
error message if we miscompute the rofixup size.
(frvfdpic_elf_use_relative_eh_frame): Assume FDPIC.
(frvfdpic_elf_encode_eh_address): Likewise.
(elf32_frv_check_relocs): Reject FDPIC-only relocs in non-FDPIC.
Record relocs only in FDPIC. Make sure _gp is defined for GPREL
relocs. Reject unknown relocation types.
(elf32_frv_object_p): Make sure target vector matches FDPIC bits.
(frv_elf_merge_private_bfd_data): Likewise.
(ELF_MAXPAGESIZE): Revert to 0x1000 for elf32-frv; keep it as
0x4000 for newly-added elf32-frvfdpic.
Jim Blandy [Wed, 5 May 2004 01:48:37 +0000 (01:48 +0000)]
* ppc-linux-nat.c (fetch_ppc_registers, store_ppc_registers):
Don't assume that the gprs, fprs, and UISA sprs are
contiguous, start at register number zero, and end with fpscr.
Instead, use the numbers from the tdep structure.