Implement a "generate-core-file" command in gdb, save target state.
* gcore.c: New file. Implement new command 'generate-core-file'.
Save a corefile image of the current state of the inferior.
* linux-proc.c: Add linux-specific code for saving corefiles.
* target.h (struct target_ops): Add new target vectors for saving
corefiles; to_find_memory_regions and to_make_corefile_notes.
(target_find_memory_regions): New macro.
(target_make_corefile_notes): New macro.
* target.c (update_current_target): Inherit new target methods.
(dummy_find_memory_regions): New place-holder method.
(dummy_make_corefile_notes): New place-holder method.
(init_dummy_target): Initialize new dummy target vectors.
* exec.c (exec_set_find_memory_regions): New function.
Allow the exec_ops vector for memory regions to be taken over.
(exec_make_note_section): New function, target vector method.
* defs.h (exec_set_find_memory_regions): Export prototype.
* procfs.c (proc_find_memory_regions): New function, corefile method.
(procfs_make_note_section): New function, corefile method.
(init_procfs_ops): Set new target vector pointers.
(find_memory_regions_callback): New function.
(procfs_do_thread_registers): New function.
(procfs_corefile_thread_callback): New function.
* sol-thread.c (sol_find_memory_regions): New function.
(sol_make_note_section): New function.
(init_sol_thread_ops): Initialize new target vectors.
* inftarg.c (inftarg_set_find_memory_regions): New function.
Allow to_find_memory_regions vector to be taken over.
(inftarg_set_make_corefile_notes): New function.
Allow to_make_corefile_notes vector to be taken over.
* thread-db.c (thread_db_new_objfile): Don't activate thread-db
interface layer if not target_has_execution (may be a corefile).
* config/i386/linux.mh: Add gcore.o to NATDEPFILES.
* config/sparc/sun4sol2.mh: Ditto.
* config/alpha/alpha-linux.mh: Ditto.
* config/arm/linux.mh: Ditto.
* config/i386/x86-64linux.mh: Ditto.
* config/ia64/linux.mh: Ditto.
* config/m68k/linux.mh: Ditto.
* config/mips/linux.mh: Ditto.
* config/powerpc/linux.mh: Ditto.
* config/sparc/linux.mh: Ditto.
Add capability to write corefile note sections, for gdb.
* elf.c (elfcore_write_note): New function.
(elfcore_write_prpsinfo): New function.
(elfcore_write_prstatus): New function.
(elfcore_write_pstatus): New function.
(elfcore_write_prfpreg): New function.
(elfcore_write_prxfpreg): New function.
* elf-bfd.h: Add prototypes for above functions.
* Makefile.am (BFD32_BACKENDS): Add elf32-sh-nbsd.lo.
(BFD32_BACKENDS_CFILES): Add elf32-sh-nbsd.c.
(elf32-sh-nbsd.lo): New rule.
* Makefile.in: Regenerate.
* config.bfd (sh*le-*-netbsdelf*): New target.
(sh*-*-netbsdelf*): New target.
* configure.in: Include netbsd-core.lo for native sh*-*-netbsd*.
(bfd_elf32_shnbsd_vec): New vector.
(bfd_elf32_shlnbsd_vec): New vector.
* configure: Regenerate.
* elf32-sh-nbsd.c: New file.
* targets.c: Update copyright years.
(_bfd_target_vector): Add bfd_elf32_shlnbsd_vec and
bfd_elf32_shnbsd_vec.
gas:
* configure.in (sh*le): Set cpu_type=sh and endian=little.
(sh*-*-netbsdelf*): New target.
* configure: Regenerate.
* tc-sh.h: Update copyright years.
(TARGET_FORMAT): Add version for TE_NetBSD.
ld:
* Makefile.am (ALL_EMULATIONS): Add eshelf_nbsd.o and eshlelf_nbsd.o.
(eshelf_nbsd.c): New rule.
(eshlelf_nbsd.c): New rule.
* Makefile.in: Regenerate.
* configure.tgt (sh*le-*-netbsdelf*): New target.
(sh*-*-netbsdelf*): New target.
* emulparams/shelf.sh: Document that shelf_nbsd.sh sources this file.
* ld/emulparams/shelf_nbsd.sh: New emulation.
* ld/emulparams/shlelf_nbsd.sh: New emulation.
* infptrace.c (GDB_MAX_ALLOCA): New define.
(child_xfer_memory): Use xmalloc/xfree instead of alloca if the
size of the buffer exceeds GDB_MAX_ALLOCA (default 1 megabyte,
can be overridden with whatever value is appropriate to the host).
* infttrace.c (child_xfer_memory): Add FIXME warning about use of
alloca to allocate potentially large buffer.
* rs6000-nat.c (child_xfer_memory): Ditto.
* symm-nat.c (child_xfer_memory): Ditto.
* x86-64-linux-nat.c (child_xfer_memory): Ditto.
* gdb.base/huge.exp: New test. Print a very large target data object.
(skip_huge_test): New test variable. Define if you want to skip this
test. The test reads an 8 megabyte data object from the target, so it
might be very time consuming on remote targets with a slow connection.
* gdb.base/huge.c: New file. Test case for above.
* infptrace.c (GDB_MAX_ALLOCA): New define.
(child_xfer_memory): Use xmalloc/xfree instead of alloca if the
size of the buffer exceeds GDB_MAX_ALLOCA (default 1 megabyte,
can be overridden with whatever value is appropriate to the host).
* infttrace.c (child_xfer_memory): Add FIXME warning about use of
alloca to allocate potentially large buffer.
* rs6000-nat.c (child_xfer_memory): Ditto.
* symm-nat.c (child_xfer_memory): Ditto.
* x86-64-linux-nat.c (child_xfer_memory): Ditto.
(multi_ilne_while_conditional): Likewise.
* gdb.base/break.exp: Verify that a breakpoint on a multi-line
IF or WHILE condition puts the breakpoint at the start of
the condition.
argument so we can handle HP-UX specially.
(elfNN_ia64_hpux_vec): New for use in is_unwind_section_name.
(elfNN_hpux_backend_section_from_bfd_section): New for support
of SHN_IA_64_ANSI_COMMON.
(elfNN_ia64_relax_section): Add support for SHN_IA_64_ANSI_COMMON.
(is_unwind_section_name): Add special HP-UX support.
(elfNN_ia64_section_from_shdr): Add support for more sections.
(elfNN_ia64_fake_sections): Modify is_unwind_section_name call and
add support for more sections.
(elfNN_ia64_additional_program_headers): Modify
is_unwind_section_name call.
(elfNN_ia64_modify_segment_map): Remove assumption that there is
only one unwind section in segment.