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Age	Commit message (Collapse)	Author	Files	Lines
2019-09-19	bfd_section_* macros	Alan Modra	1	-2/+2
	This large patch removes the unnecessary bfd parameter from various bfd section macros and functions. The bfd is hardly ever used and if needed for the bfd_set_section_* or bfd_rename_section functions can be found via section->owner except for the com, und, abs, and ind std_section special sections. Those sections shouldn't be modified anyway. The patch also removes various bfd_get_section_<field> macros, replacing their use with bfd_section_<field>, and adds bfd_set_section_lma. I've also fixed a minor bug in gas where compressed section renaming was done directly rather than calling bfd_rename_section. This would have broken bfd_get_section_by_name and similar functions, but that hardly mattered at such a late stage in gas processing. bfd/ * bfd-in.h (bfd_get_section_name, bfd_get_section_vma), (bfd_get_section_lma, bfd_get_section_alignment), (bfd_get_section_size, bfd_get_section_flags), (bfd_get_section_userdata): Delete. (bfd_section_name, bfd_section_size, bfd_section_vma), (bfd_section_lma, bfd_section_alignment): Lose bfd parameter. (bfd_section_flags, bfd_section_userdata): New. (bfd_is_com_section): Rename parameter. * section.c (bfd_set_section_userdata, bfd_set_section_vma), (bfd_set_section_alignment, bfd_set_section_flags, bfd_rename_section), (bfd_set_section_size): Delete bfd parameter, rename section parameter. (bfd_set_section_lma): New. * bfd-in2.h: Regenerate. * mach-o.c (bfd_mach_o_init_section_from_mach_o): Delete bfd param, update callers. * aoutx.h, * bfd.c, * coff-alpha.c, * coff-arm.c, * coff-mips.c, * coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c, * compress.c, * ecoff.c, * elf-eh-frame.c, * elf-hppa.h, * elf-ifunc.c, * elf-m10200.c, * elf-m10300.c, * elf-properties.c, * elf-s390-common.c, * elf-vxworks.c, * elf.c, * elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-bfin.c, * elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c, * elf32-crx.c, * elf32-csky.c, * elf32-d10v.c, * elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c, * elf32-h8300.c, * elf32-hppa.c, * elf32-i386.c, * elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c, * elf32-m32c.c, * elf32-m32r.c, * elf32-m68hc1x.c, * elf32-m68k.c, * elf32-mcore.c, * elf32-mep.c, * elf32-metag.c, * elf32-microblaze.c, * elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c, * elf32-nios2.c, * elf32-or1k.c, * elf32-ppc.c, * elf32-pru.c, * elf32-rl78.c, * elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-score7.c, * elf32-sh.c, * elf32-spu.c, * elf32-tic6x.c, * elf32-tilepro.c, * elf32-v850.c, * elf32-vax.c, * elf32-visium.c, * elf32-xstormy16.c, * elf32-xtensa.c, * elf64-alpha.c, * elf64-bpf.c, * elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mmix.c, * elf64-ppc.c, * elf64-s390.c, * elf64-sparc.c, * elf64-x86-64.c, * elflink.c, * elfnn-aarch64.c, * elfnn-ia64.c, * elfnn-riscv.c, * elfxx-aarch64.c, * elfxx-mips.c, * elfxx-sparc.c, * elfxx-tilegx.c, * elfxx-x86.c, * i386msdos.c, * linker.c, * mach-o.c, * mmo.c, * opncls.c, * pdp11.c, * pei-x86_64.c, * peicode.h, * reloc.c, * section.c, * syms.c, * vms-alpha.c, * xcofflink.c: Update throughout for bfd section macro and function changes. binutils/ * addr2line.c, * bucomm.c, * coffgrok.c, * dlltool.c, * nm.c, * objcopy.c, * objdump.c, * od-elf32_avr.c, * od-macho.c, * od-xcoff.c, * prdbg.c, * rdcoff.c, * rddbg.c, * rescoff.c, * resres.c, * size.c, * srconv.c, * strings.c, * windmc.c: Update throughout for bfd section macro and function changes. gas/ * as.c, * as.h, * dw2gencfi.c, * dwarf2dbg.c, * ecoff.c, * read.c, * stabs.c, * subsegs.c, * subsegs.h, * write.c, * config/obj-coff-seh.c, * config/obj-coff.c, * config/obj-ecoff.c, * config/obj-elf.c, * config/obj-macho.c, * config/obj-som.c, * config/tc-aarch64.c, * config/tc-alpha.c, * config/tc-arc.c, * config/tc-arm.c, * config/tc-avr.c, * config/tc-bfin.c, * config/tc-bpf.c, * config/tc-d10v.c, * config/tc-d30v.c, * config/tc-epiphany.c, * config/tc-fr30.c, * config/tc-frv.c, * config/tc-h8300.c, * config/tc-hppa.c, * config/tc-i386.c, * config/tc-ia64.c, * config/tc-ip2k.c, * config/tc-iq2000.c, * config/tc-lm32.c, * config/tc-m32c.c, * config/tc-m32r.c, * config/tc-m68hc11.c, * config/tc-mep.c, * config/tc-microblaze.c, * config/tc-mips.c, * config/tc-mmix.c, * config/tc-mn10200.c, * config/tc-mn10300.c, * config/tc-msp430.c, * config/tc-mt.c, * config/tc-nds32.c, * config/tc-or1k.c, * config/tc-ppc.c, * config/tc-pru.c, * config/tc-rl78.c, * config/tc-rx.c, * config/tc-s12z.c, * config/tc-s390.c, * config/tc-score.c, * config/tc-score7.c, * config/tc-sh.c, * config/tc-sparc.c, * config/tc-spu.c, * config/tc-tic4x.c, * config/tc-tic54x.c, * config/tc-tic6x.c, * config/tc-tilegx.c, * config/tc-tilepro.c, * config/tc-v850.c, * config/tc-visium.c, * config/tc-wasm32.c, * config/tc-xc16x.c, * config/tc-xgate.c, * config/tc-xstormy16.c, * config/tc-xtensa.c, * config/tc-z8k.c: Update throughout for bfd section macro and function changes. * write.c (compress_debug): Use bfd_rename_section. gdb/ * aarch64-linux-tdep.c, * arm-tdep.c, * auto-load.c, * coff-pe-read.c, * coffread.c, * corelow.c, * dbxread.c, * dicos-tdep.c, * dwarf2-frame.c, * dwarf2read.c, * elfread.c, * exec.c, * fbsd-tdep.c, * gcore.c, * gdb_bfd.c, * gdb_bfd.h, * hppa-tdep.c, * i386-cygwin-tdep.c, * i386-fbsd-tdep.c, * i386-linux-tdep.c, * jit.c, * linux-tdep.c, * machoread.c, * maint.c, * mdebugread.c, * minidebug.c, * mips-linux-tdep.c, * mips-sde-tdep.c, * mips-tdep.c, * mipsread.c, * nto-tdep.c, * objfiles.c, * objfiles.h, * osabi.c, * ppc-linux-tdep.c, * ppc64-tdep.c, * record-btrace.c, * record-full.c, * remote.c, * rs6000-aix-tdep.c, * rs6000-tdep.c, * s390-linux-tdep.c, * s390-tdep.c, * solib-aix.c, * solib-dsbt.c, * solib-frv.c, * solib-spu.c, * solib-svr4.c, * solib-target.c, * spu-linux-nat.c, * spu-tdep.c, * symfile-mem.c, * symfile.c, * symmisc.c, * symtab.c, * target.c, * windows-nat.c, * xcoffread.c, * cli/cli-dump.c, * compile/compile-object-load.c, * mi/mi-interp.c: Update throughout for bfd section macro and function changes. * gcore (gcore_create_callback): Use bfd_set_section_lma. * spu-tdep.c (spu_overlay_new_objfile): Likewise. gprof/ * corefile.c, * symtab.c: Update throughout for bfd section macro and function changes. ld/ * ldcref.c, * ldctor.c, * ldelf.c, * ldlang.c, * pe-dll.c, * emultempl/aarch64elf.em, * emultempl/aix.em, * emultempl/armcoff.em, * emultempl/armelf.em, * emultempl/cr16elf.em, * emultempl/cskyelf.em, * emultempl/m68hc1xelf.em, * emultempl/m68kelf.em, * emultempl/mipself.em, * emultempl/mmix-elfnmmo.em, * emultempl/mmo.em, * emultempl/msp430.em, * emultempl/nios2elf.em, * emultempl/pe.em, * emultempl/pep.em, * emultempl/ppc64elf.em, * emultempl/xtensaelf.em: Update throughout for bfd section macro and function changes. libctf/ * ctf-open-bfd.c: Update throughout for bfd section macro changes. opcodes/ * arc-ext.c: Update throughout for bfd section macro changes. sim/ * common/sim-load.c, * common/sim-utils.c, * cris/sim-if.c, * erc32/func.c, * lm32/sim-if.c, * m32c/load.c, * m32c/trace.c, * m68hc11/interp.c, * ppc/hw_htab.c, * ppc/hw_init.c, * rl78/load.c, * rl78/trace.c, * rx/gdb-if.c, * rx/load.c, * rx/trace.c: Update throughout for bfd section macro changes.
2019-01-01	Update copyright year range in all GDB files.	Joel Brobecker	1	-1/+1
	This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files.
2018-08-27	Avoid -Wnarrowing warnings in ppc64-tdep.c	Tom Tromey	1	-43/+43
	This avoids -Wnarrowing warnings in ppc64-tdep.c, by adding a few casts to unsigned. gdb/ChangeLog 2018-08-27 Tom Tromey <tom@tromey.com> * ppc64-tdep.c (insn_d, insn_ds, insn_xfx): Add casts to unsigned. (ppc64_standard_linkage1, ppc64_standard_linkage2) (ppc64_standard_linkage3, ppc64_standard_linkage4) (ppc64_standard_linkage5, ppc64_standard_linkage6) (ppc64_standard_linkage7, ppc64_standard_linkage8): Add casts to unsigned.
2018-01-26	PowerPC PLT stub matching	Alan Modra	1	-8/+8
	This patch fixes a number of bugs in ppc32 plt stub matching code. 1) The 4-insn stubs for shared libs and PIEs weren't matched. 2) The executable stub miscalculated PLT entry address (by oring a sign-extended quantity rather than adding). 3) Comments were not accurate. In addition, the insn arrays are made const. * ppc-linux-tdep.c (powerpc32_plt_stub): Make const. (powerpc32_plt_stub_so_1): Rename from powerpc32_plt_stub_so. Remove nop. Make const. Comment. (powerpc32_plt_stub_so_2): New. (POWERPC32_PLT_CHECK_LEN): Rename from POWERPC32_PLT_STUB_LEN. Correct count. Update uses. (ppc_skip_trampoline_code): Match powerpc32_plt_stub_so_2 too. Move common code reading PLT entry word. Correct powerpc32_plt_stub PLT address calculation. * ppc64-tdep.c (ppc64_standard_linkage1): Make const. (ppc64_standard_linkage2, ppc64_standard_linkage3): Likewise. (ppc64_standard_linkage4, ppc64_standard_linkage5): Likewise. (ppc64_standard_linkage6, ppc64_standard_linkage7): Likewise. (ppc64_standard_linkage8): Likewise. * rs6000-tdep.c (ppc_insns_match_pattern): Make pattern const. Correct insns description. * ppc-tdep.h (ppc_insns_match_pattern): Update prototype. Reviewed-By: Yao Qi <qiyaoltc@gmail.com>
2018-01-02	Update copyright year range in all GDB files	Joel Brobecker	1	-1/+1
	gdb/ChangeLog: Update copyright year range in all GDB files
2017-12-12	PR22576, ppc64_skip_trampoline_code uses wrong r2 for EXEC_REVERSE	Alan Modra	1	-58/+43
	The TOC pointer register, r2, on powerpc64 is generally not mentioned in debug info. It is saved and restored by call linkage code, and set to the callee value either by call stub code (ELFv1) or in the callee global entry point code (ELFv2). A call stub uses the caller TOC pointer to access the PLT. So for gdb to read the correct PLT entry in order to determine the destination of the trampoline, gdb needs to know the caller r2. When skipping over trampolines in the normal forward direction, the caller r2 is simply the current value of r2 (at the start of the trampoline). However, when reversing over trampolines the current value of r2 is that for the callee. Using that value results in wild reads of memory rather than the correct PLT entry. This patch corrects the value of r2 by using the value saved on the stack for reverse execution. Note that in reverse execution mode it isn't really necessary for skip_trampoline_code to return the actual destination, so we're doing a little more work than needed here. Any non-zero return value would do (and it would be nicer if the interface was changed to return the start of the stub). PR tdep/22576 * ppc64-tdep.c (ppc64_plt_entry_point): Rewrite to take TOC-relative PLT offset, and retrieve r2 from stack when executing in reverse. (ppc64_standard_linkage1_target): Drop pc param. Calculate offset rather than PLT address. (ppc64_standard_linkage2_target): Likewise. (ppc64_standard_linkage3_target): Likewise. (ppc64_standard_linkage4_target): Likewise. (ppc64_skip_trampoline_code_1): Adjust to suit.
2017-01-01	update copyright year range in GDB files	Joel Brobecker	1	-1/+1
	This applies the second part of GDB's End of Year Procedure, which updates the copyright year range in all of GDB's files. gdb/ChangeLog: Update copyright year range in all GDB files.
2016-01-01	GDB copyright headers update after running GDB's copyright.py script.	Joel Brobecker	1	-1/+1
	gdb/ChangeLog: Update year range in copyright notice of all files.
2015-09-15	[ppc64le] Use skip_entrypoint for skip_trampoline_code	Jan Kratochvil	1	-2/+16
	ppc64le loses control when stepping between two PLT-called functions inside a shared library: 29 shlib_second (); /* first-hit /^M (gdb) PASS: gdb.base/solib-intra-step.exp: first-hit step^M ^M Program received signal SIGABRT, Aborted.^M 0x00003fffb7cbe578 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56^M 56 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);^M (gdb) FAIL: gdb.base/solib-intra-step.exp: second-hit -> 29 shlib_second (); / first-hit /^M (gdb) PASS: gdb.base/solib-intra-step.exp: first-hit step^M shlib_second () at ./gdb.base/solib-intra-step-lib.c:23^M 23 abort (); / second-hit /^M (gdb) PASS: gdb.base/solib-intra-step.exp: second-hit This is because gdbarch_skip_trampoline_code() will resolve the final function as shlib_second+0 and place there the breakpoint, but ld.so will jump after the breakpoint - at shlib_second+8 - as it is ELFv2 local symbol optimization: Dump of assembler code for function shlib_second: 0x0000000000000804 <+0>: addis r2,r12,2 0x0000000000000808 <+4>: addi r2,r2,30668 0x000000000000080c <+8>: mflr r0 Currently gdbarch_skip_entrypoint() has been called in skip_prologue_sal() and fill_in_stop_func() but that is not enough. I believe gdbarch_skip_entrypoint() should be called after every gdbarch_skip_trampoline_code(). gdb/ChangeLog 2015-09-15 Jan Kratochvil <jan.kratochvil@redhat.com> linespec.c (minsym_found): Call gdbarch_skip_entrypoint. * ppc64-tdep.c (ppc64_skip_trampoline_code): Rename to ... (ppc64_skip_trampoline_code_1): ... here. (ppc64_skip_trampoline_code): New wrapper function. * symtab.c (find_function_start_sal): Call gdbarch_skip_entrypoint. gdb/testsuite/ChangeLog 2015-09-15 Jan Kratochvil <jan.kratochvil@redhat.com> * gdb.opt/solib-intra-step-lib.c: New file. * gdb.opt/solib-intra-step-main.c: New file. * gdb.opt/solib-intra-step.exp: New file.
2015-01-21	Add missing comments in rs6000-tdep.c, ppc64-tdep.c and ppc-linux-tdep.c.	Wei-cheng Wang	1	-1/+4
	gdb/ChangeLog: * ppc-linux-tdep.c (ppc_skip_trampoline_code, ppc_canonicalize_syscall, ppc_linux_syscall_record, ppc_linux_record_signal, ppc_init_linux_record_tdep): Add comments. * ppc64-tdep.c (ppc64_skip_trampoline_code): Likewise. * rs6000-tdep.c (rs6000_epilogue_frame_cache, rs6000_epilogue_frame_this_id, rs6000_epilogue_frame_prev_register, rs6000_epilogue_frame_sniffer, ppc_record_vsr, ppc_process_record_op4, ppc_process_record_op19, ppc_process_record_op31, ppc_process_record_op59, ppc_process_record_op60, ppc_process_record_op63): Likewise.
2015-01-17	Skip-trampoline for PowerPC reverse-stepping.	Wei-cheng Wang	1	-28/+60

2015-01-01	Update year range in copyright notice of all files owned by the GDB project.	Joel Brobecker	1	-1/+1
	gdb/ChangeLog: Update year range in copyright notice of all files.
2014-06-03	Support fusion for ELFv2 stubs	Alan Modra	1	-2/+29
	Power8 fuses addis,addi and addis,ld sequences when the target of the addis is the same as the addi/ld. Thus addis r12,r2,xxx@ha addi r12,r12,xxx@l / ld r12,xxx@l(r12) is faster than addis r11,r2,xxx@ha addi r12,r11,xxx@l / ld r12,xxx@l(r11) So use the form that allows fusion in plt call and branch stubs. bfd/ * elf64-ppc.c (ADDIS_R12_R2): Define. (build_plt_stub): Support fusion on ELFv2 stub. (ppc_build_one_stub): Likewise for plt branch stubs. gold/ * powerpc.cc (addis_12_2): Define. (Stub_table::do_write): Support fusion on ELFv2 stubs. ld/testsuite/ * ld-powerpc/elfv2exe.d: Update for changed plt call stubs. gdb/ * ppc64-tdep.c (ppc64_standard_linkage8): New. (ppc64_skip_trampoline_code): Recognise ELFv2 stub supporting fusion.
2014-01-28	Fix typo in ppc64_standard_linkage7	Ulrich Weigand	1	-1/+1
	The ppc64_standard_linkage7 pattern added by Alan's recent patch: https://sourceware.org/ml/gdb-patches/2013-11/msg00274.html contains a typo: the ELFv2 TOC slot offset is 24, not 40. This was correct in the comment, but not the actual code. ChangeLog: * ppc64-tdep.c (ppc64_standard_linkage7): Fix typo.
2014-01-01	Update Copyright year range in all files maintained by GDB.	Joel Brobecker	1	-1/+1

2013-11-15	PowerPC64 ELFv2 trampoline match	Alan Modra	1	-28/+173
	ELFv2 needs different plt call stubs to ELFv1, register usage differs too. When I added these to ld I changed register usage in the ELFv1 stubs as well, simplifying the linker code and (perhaps) future maintenance. All well and good, but this means gdb needs to cope with more stub variants. This patch also handles skipping over addis/addi setting up r2 in ELFv2 global entry code. We want breakpoints to be set past this point to catch calls via the local entry point. * ppc64-tdep.c (ppc64_plt_entry_point): Renamed from.. (ppc64_desc_entry_point): ..this. Update comments here and at call points. (ppc64_standard_linkage1, ppc64_standard_linkage2, ppc64_standard_linkage3): Update comments. (ppc64_standard_linkage4, ppc64_standard_linkage5, (ppc64_standard_linkage6, ppc64_standard_linkage7): New insn patterns. (ppc64_standard_linkage4_target): New function. (ppc64_skip_trampoline_code): Skip ELFv2 patterns too. * rs6000-tdep.c (skip_prologue): Skip ELFv2 r2 setup. Correct nop match. Fix comment wrap.
2013-07-17	* nto-tdep.c (nto_relocate_section_addresses): Update,	Doug Evans	1	-1/+2
	target_section.bfd deleted. * ppc64-tdep.c (ppc64_convert_from_func_ptr_addr): Ditto. * s390-tdep.c (s390_load): Ditto. * solib-aix.c (solib_aix_relocate_section_addresses): Ditto.
2013-06-04	* ppc-tdep.h (ppc_insns_match_pattern): Update prototype.	Alan Modra	1	-56/+86
	* rs6000-tdep.c (read_insn): Add frame param, don't assume big-endian. (ppc_insns_match_pattern): Add frame param. Avoid multiple target mem reads on optional insns. * ppc-linux-tdep.c (ppc_skip_trampoline_code): Update ppc_insns_match_pattern calls. * ppc64-tdep.c (ppc64_standard_linkage2, ppc64_standard_linkage3): Add match for power7 thread safety insns, and new order of std 2,40(1) insn. Correct code shown for _dl_runtime_resolve invocation in comment, and update rest of comment. (PPC64_STANDARD_LINKAGE1_LEN, PPC64_STANDARD_LINKAGE2_LEN, PPC64_STANDARD_LINKAGE3_LEN): Delete. (ppc64_standard_linkage2_target): Update insn offsets. (ppc64_skip_trampoline_code): Use a single insn buffer. Match newer stubs first. Update calls.
2013-02-22	* elfread.c (elf_symtab_read): Do not use udata.p here to find	Alan Modra	1	-0/+15
	symbol size. * ppc64-tdep.c (ppc64_elf_make_msymbol_special): New function. * ppc64-tdep.h (ppc64_elf_make_msymbol_special): Declare. * ppc-linux-tdep.c (ppc_linux_init_abi): Set up to use the above. * ppcfbsd-tdep.c (ppcfbsd_init_abi): Likewise.
2013-02-01	Add missing file from the previous commit.	Andreas Tobler	1	-0/+363