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gdb and binutils branch master updated. 5d9cf8a4d31f8c793ad7ba47fe79dac11894052c
- From: tromey at sourceware dot org
- To: gdb-cvs at sourceware dot org
- Date: 3 Mar 2014 20:12:21 -0000
- Subject: gdb and binutils branch master updated. 5d9cf8a4d31f8c793ad7ba47fe79dac11894052c
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5d9cf8a4d31f8c793ad7ba47fe79dac11894052c
commit 5d9cf8a4d31f8c793ad7ba47fe79dac11894052c
Author: Tom Tromey <tromey@redhat.com>
Date: Tue Dec 3 10:21:20 2013 -0700
move probes to be per-bfd
This patch moves the probe data from the objfile to the per-BFD
object. This lets the probes be shared between different inferiors
(and different objfiles when dlmopen is in use, should gdb ever handle
that).
2014-03-03 Tom Tromey <tromey@redhat.com>
* elfread.c (probe_key): Change to bfd_data.
(elf_get_probes, probe_key_free, _initialize_elfread): Probes are
now per-BFD, not per-objfile.
* stap-probe.c (stap_probe_destroy): Update comment.
(handle_stap_probe): Allocate on the per-BFD obstack.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=729662a5221eaee2b3cd71d79afb3f612c4df904
commit 729662a5221eaee2b3cd71d79afb3f612c4df904
Author: Tom Tromey <tromey@redhat.com>
Date: Mon Dec 2 13:58:59 2013 -0700
change probes to be program-space-independent
This changes the probes to be independent of the program space.
After this, when a probe's address is needed, it is determined by
applying offsets at the point of use.
This introduces a bound_probe object, similar to bound minimal
symbols. Objects of this type are used when it's necessary to pass a
probe and its corresponding objfile.
This removes the backlink from probe to objfile, which was primarily
used to fetch the architecture to use.
This adds a get_probe_address function which calls a probe method to
compute the probe's relocated address. Similarly, it adds an objfile
parameter to the semaphore methods so they can do the relocation
properly as well.
2014-03-03 Tom Tromey <tromey@redhat.com>
* break-catch-throw.c (fetch_probe_arguments): Use bound probes.
* breakpoint.c (create_longjmp_master_breakpoint): Use
get_probe_address.
(add_location_to_breakpoint, bkpt_probe_insert_location)
(bkpt_probe_remove_location): Update.
* breakpoint.h (struct bp_location) <probe>: Now a bound_probe.
* elfread.c (elf_symfile_relocate_probe): Remove.
(elf_probe_fns): Update.
(insert_exception_resume_breakpoint): Change type of "probe"
parameter to bound_probe.
(check_exception_resume): Update.
* objfiles.c (objfile_relocate1): Don't relocate probes.
* probe.c (bound_probe_s): New typedef.
(parse_probes): Use get_probe_address. Set sal's objfile.
(find_probe_by_pc): Return a bound_probe.
(collect_probes): Return a VEC(bound_probe_s).
(compare_probes): Update.
(gen_ui_out_table_header_info): Change type of "probes"
parameter. Update.
(info_probes_for_ops): Update.
(get_probe_address): New function.
(probe_safe_evaluate_at_pc): Update.
* probe.h (struct probe_ops) <get_probe_address>: New field.
<set_semaphore, clear_semaphore>: Add objfile parameter.
(struct probe) <objfile>: Remove field.
<arch>: New field.
<address>: Update comment.
(struct bound_probe): New.
(find_probe_by_pc): Return a bound_probe.
(get_probe_address): Declare.
* solib-svr4.c (struct probe_and_action) <address>: New field.
(hash_probe_and_action, equal_probe_and_action): Update.
(register_solib_event_probe): Add address parameter.
(solib_event_probe_at): Update.
(svr4_create_probe_breakpoints): Add objfile parameter. Use
get_probe_address.
* stap-probe.c (struct stap_probe) <sem_addr>: Update comment.
(stap_get_probe_address): New function.
(stap_can_evaluate_probe_arguments, compute_probe_arg)
(compile_probe_arg): Update.
(stap_set_semaphore, stap_clear_semaphore): Compute semaphore's
address.
(handle_stap_probe): Don't relocate the probe.
(stap_relocate): Remove.
(stap_gen_info_probes_table_values): Update.
(stap_probe_ops): Remove stap_relocate.
* symfile-debug.c (debug_sym_relocate_probe): Remove.
(debug_sym_probe_fns): Update.
* symfile.h (struct sym_probe_fns) <sym_relocate_probe>: Remove.
* symtab.c (init_sal): Use memset.
* symtab.h (struct symtab_and_line) <objfile>: New field.
* tracepoint.c (start_tracing, stop_tracing): Update.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ff8879201af6e734741c2be0c26b71b1745667ad
commit ff8879201af6e734741c2be0c26b71b1745667ad
Author: Tom Tromey <tromey@redhat.com>
Date: Mon Dec 2 11:12:15 2013 -0700
comment fixes
This fixes up a few mildly erroneous comments in probe.h.
2014-03-03 Tom Tromey <tromey@redhat.com>
* probe.h (parse_probes, find_probe_by_pc)
(find_probes_in_objfile): Fix comments.
-----------------------------------------------------------------------
Summary of changes:
gdb/ChangeLog | 68 ++++++++++++++++++++++++++++
gdb/break-catch-throw.c | 18 ++++----
gdb/breakpoint.c | 19 ++++++--
gdb/breakpoint.h | 3 +-
gdb/elfread.c | 42 +++++------------
gdb/infrun.c | 8 ++--
gdb/objfiles.c | 5 --
gdb/probe.c | 114 +++++++++++++++++++++++++++++------------------
gdb/probe.h | 60 +++++++++++++++++-------
gdb/solib-svr4.c | 27 +++++++----
gdb/stap-probe.c | 75 ++++++++++++++++---------------
gdb/symfile-debug.c | 19 --------
gdb/symfile.h | 5 --
gdb/symtab.c | 10 +----
gdb/symtab.h | 3 +
gdb/tracepoint.c | 12 +++--
16 files changed, 289 insertions(+), 199 deletions(-)
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gdb and binutils