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Almost every target defines sim_cia the same way -- either using the
address_word type directly, or a type of equivalent size. The only
odd one out is sh64 (who has 32bit address_word and 64bit cia), and
even that case doesn't seem to make sense. We'll put off clean up
though of sh64 and at least set up a sensible default for everyone.
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gdb/ChangeLog:
* solib-svr4.c (svr4_exec_displacement): Rename outer "displacement"
to "exec_displacement" to avoid confusion with inner use of the name.
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FIFO is harder to implement and has less locality than LIFO. It is
also not necessary to implement a transitive closure, a LIFO works
just as well.
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2015-03-19 Richard Biener <rguenther@suse.de>
* partition.h (struct partition_elem): Re-order elements to
avoid padding.
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This fixes lbeg/lend/lcount registers handling through gdbserver.
2015-04-17 Max Filippov <jcmvbkbc@gmail.com>
gdb/gdbserver/
* linux-xtensa-low.c (xtensa_fill_gregset)
(xtensa_store_gregset): Check XCHAL_HAVE_LOOPS instead of
XCHAL_HAVE_LOOP.
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xtensa_usrregs_info refers to undefined variables xtensa_num_regs and
xtensa_regmap. Drop xtensa_usrregs_info and replace pointer to usrregs
in regs_info with NULL since all registers are read/set through regsets.
2015-04-17 Max Filippov <jcmvbkbc@gmail.com>
gdb/gdbserver/
* linux-xtensa-low.c (xtensa_usrregs_info): Remove.
(regs_info): Replace usrregs pointer with NULL.
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This patch is to cherry-pick part of Pedro's patch here
https://sourceware.org/ml/gdb-patches/2015-04/msg00527.html in which
zero is returned if the HW point isn't supported.
In arm-linux native gdb testing on a board doesn't support HW breakpoint,
without this patch, the output in gdb.base/breakpoint-in-ro-region.exp is like:
(gdb) hbreak *0x83bc^M
Hardware breakpoints used exceeds limit.^M
(gdb) PASS: gdb.base/breakpoint-in-ro-region.exp: probe hbreak support (support)
with this patch, the output becomes:
(gdb) hbreak *0x83bc^M
No hardware breakpoint support in the target.^M
(gdb) PASS: gdb.base/breakpoint-in-ro-region.exp: probe hbreak support (no support)
As a result, the following fails are fixed.
-FAIL: gdb.base/breakpoint-in-ro-region.exp: always-inserted off: auto-hw on: step in ro region (cannot insert hw break)
-FAIL: gdb.base/breakpoint-in-ro-region.exp: always-inserted off: auto-hw on: thread advanced
-FAIL: gdb.base/breakpoint-in-ro-region.exp: always-inserted on: auto-hw on: step in ro region (cannot insert hw break)
-FAIL: gdb.base/breakpoint-in-ro-region.exp: always-inserted on: auto-hw on: thread advanced
gdb:
2015-04-17 Pedro Alves <palves@redhat.com>
* arm-linux-nat.c (arm_linux_can_use_hw_breakpoint): Return zero
if HW point of TYPE isn't supported.
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The return value of target_can_use_hardware_watchpoint isn't well
documented, so this patch is to update the comments to reflect the
fact. This patch also removes a trailing ";" which is picked up
from Pedro's patch https://sourceware.org/ml/gdb-patches/2015-04/msg00527.html
gdb:
2015-04-17 Yao Qi <yao.qi@linaro.org>
Pedro Alves <palves@redhat.com>
* target.h (target_can_use_hardware_watchpoint): Update comments.
Remove trailing ";".
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declaration of "link" shadows a global declaration
* config/tc-avr.c (create_record_for_frag): Rename link to
prop_rec_link.
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This commit modifies remote_add_inferior to take an extra argument
try_open_exec. If this is nonzero, remote_add_inferior will attempt
to open this inferior's executable as the main executable if no main
executable is open already. Callers are updated appropriately.
With this commit, remote debugging can now be initiated using only a
"target remote" or "target extended-remote" command; no "set sysroot"
or "file" commands are required, e.g.
bash$ gdb -q
(gdb) target remote | gdbserver - /bin/sh
Remote debugging using | gdbserver - /bin/sh
Process /bin/sh created; pid = 32166
stdin/stdout redirected
Remote debugging using stdio
Reading symbols from target:/bin/bash...
One testcase required updating as a result of this commit. The test
checked that GDB's "info files" command does not crash if no main
executable is open, and relied on GDB's inability to access the main
executable over the remote protocol. The test was updated to inhibit
this new behavior.
gdb/ChangeLog:
* remote.c (remote_add_inferior): New argument try_open_exec.
If nonzero, attempt to open the inferior's executable file as
the main executable if no main executable is open already.
All callers updated.
* NEWS: Mention that GDB now supports automatic location and
retrieval of executable + files from remote targets.
gdb/doc/ChangeLog:
* gdb.texinfo (Connecting to a Remote Target): Mention that
GDB can access program files from remote targets that support
qXfer:exec-file:read and Host I/O packets.
gdb/testsuite/ChangeLog:
* gdb.server/server-exec-info.exp: Inhibit GDB from accessing
the main executable over the remote protocol.
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This commit implements the "qXfer:exec-file:read" packet in gdbserver.
gdb/gdbserver/ChangeLog:
* target.h (struct target_ops) <pid_to_exec_file>: New field.
* linux-low.c (linux_target_ops): Initialize pid_to_exec_file.
* server.c (handle_qxfer_exec_file): New function.
(qxfer_packets): Add exec-file entry.
(handle_query): Report qXfer:exec-file:read as supported packet.
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This commit adds a new packet "qXfer:exec-file:read" to the remote
protocol that can be used to obtain the pathname of the file that
was executed to create a process on the remote system. Support for
this packet is added to GDB and remote_ops.to_pid_to_exec_file is
implemented using it.
gdb/ChangeLog:
* target.h (TARGET_OBJECT_EXEC_FILE): New enum value.
* remote.c (PACKET_qXfer_exec_file): Likewise.
(remote_protocol_features): Register the
"qXfer:exec-file:read" feature.
(remote_xfer_partial): Handle TARGET_OBJECT_EXEC_FILE.
(remote_pid_to_exec_file): New function.
(init_remote_ops): Initialize to_pid_to_exec_file.
(_initialize_remote): Register new "set/show remote
pid-to-exec-file-packet" command.
* NEWS: Announce new qXfer:exec-file:read packet.
gdb/doc/ChangeLog:
* gdb.texinfo (Remote Configuration): Document the "set/show
remote pid-to-exec-file-packet" command.
(General Query Packets): Document the qXfer:exec-file:read
qSupported features. Document the qXfer:exec-file:read packet.
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This commit introduces a new function linux_proc_pid_to_exec_file
that shared Linux code can use to discover the filename of the
executable that was run to create a process on the system.
gdb/ChangeLog:
* nat/linux-procfs.h (linux_proc_pid_to_exec_file):
New declaration.
* nat/linux-procfs.c (linux_proc_pid_to_exec_file):
New function, factored out from...
* linux-nat.c (linux_child_pid_to_exec_file): ...here.
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This commit updates exec_file_locate_attach to use exec_file_find
to compute the full pathname of the main executable in some cases.
The net effect of this is that the main executable's path will be
prefixed with gdb_sysroot in the same way that shared library paths
currently are.
gdb/ChangeLog:
* exec.c (solist.h): New include.
(exec_file_locate_attach): Prefix absolute executable
paths with gdb_sysroot if set.
* NEWS: Mention that executable paths may be prepended
with sysroot.
gdb/doc/ChangeLog:
* gdb.texinfo (set sysroot): Document that "set sysroot" also
applies to executable paths if supplied to GDB as absolute.
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This commit adds a new function, exec_file_find, which computes the
full pathname of the main executable in much the same way solib_find
does for pathnames of shared libraries. The bulk of the existing
solib_find was moved into a new static function solib_find_1, with
exec_file_find and solib_find being small wrappers for solib_find_1.
gdb/ChangeLog:
* solist.h (exec_file_find): New declaration.
* solib.c (solib_find_1): New function, factored out from...
(solib_find): ...here.
(exec_file_find): New function.
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This commit adds a new function, exec_file_locate_attach, which works
like exec_file_attach except that, instead of a filename argument, it
takes an integer process ID and attempts to determine the executable
filename from that.
gdb/ChangeLog:
* gdbcore.h (exec_file_locate_attach): New declaration.
* exec.c (exec_file_locate_attach): New function, factored
out from...
* infcmd.c (attach_command_post_wait): ...here.
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Re-use the existing memory core that handles reads/writes.
This drops support for the dumpmem command, but gdb itself has
support for dumping memory regions.
The verbose command is converted to the common --verbose flag
since only two call sites use it now.
Support for the clearstats command is dropped entirely, but no
other sim really does this, and the same thing can be done by
reloading. If it's important (clearing cycle stats) to someone,
we can add a common function for it.
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The CIA_{GET,SET} macros serve the same function as CPU_PC_{GET,SET}
except the latter adds a layer of indirection via the sim state. This
lets models set up different functions at runtime and doesn't reach so
directly into the arch-specific cpu state.
It also doesn't make sense to have two sets of macros that do exactly
the same thing, so lets standardize on the one that gets us more.
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This makes the common sim-cpu logic work.
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It implemented scanning the binary and reporting occurrences to users
when '--fix-cortex-a53' is turned on. With this, gold users will be
able to see if or not there are such erratum occurrences in the output
binary. Also included in the CL is reading/recording mapping symbols,
which is needed during scan.
gold/ChangeLog:
* aarch64.cc (AArch64_insn_utilities): New utility class.
(AArch64_relobj::Mapping_symbol_position): New struct.
(AArch64_relobj::Mapping_symbol_info): New typedef.
(AArch64_relobj::do_count_local_symbols): New function overriding
parent's implementation.
(AArch64_relobj::mapping_symbol_info_): New member
(AArch64_relobj::scan_erratum_843419): New method.
(Target_aarch64::scan_erratum_843419_span): New method.
(Target_aarch64::is_erratum_843419_sequence): New method.
* options.h (fix_cortex_a53): New option.
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Fixes:
-FAIL: gdb.trace/mi-tracepoint-changed.exp: reconnect: break-info 1
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: tracepoint created
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: tracepoint on marker is installed
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: break-info 1
-FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv1 created
-FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv2 created
+PASS: gdb.trace/mi-tsv-changed.exp: upload: tsv1 created
+PASS: gdb.trace/mi-tsv-changed.exp: upload: tsv2 created
These tests do something like this:
#0 - start gdb/gdbserver normally
#1 - setup some things in the debug session
#2 - disconnect from gdbserver
#3 - restart gdb
#4 - reconnect to gdbserver
The problem is that the native-extended-gdbserver board always spawns
a new gdbserver instance in #3 (and has gdb connect to that). So when
the test gets to #4, it connects to that new instance instead of the
old one:
(gdb) spawn ../gdbserver/gdbserver --multi :2354
Listening on port 2354
target extended-remote localhost:2354
Remote debugging using localhost:2354
...
spawn ../gdbserver/gdbserver --multi :2355
Listening on port 2355
47-target-select extended-remote localhost:2355
=tsv-created,name="trace_timestamp",initial="0"\n
47^connected
(gdb)
...
47-target-select extended-remote localhost:2355
47^connected
(gdb)
FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv1 created
FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv2 created
testsuite/ChangeLog:
2015-04-16 Pedro Alves <palves@redhat.com>
* boards/native-extended-gdbserver.exp (mi_gdb_start): Don't start
a new gdbserver if gdbserver_reconnect_p is set.
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Commit 6423214f (testsuite: Don't use expect_background to reap
gdbserver) broke a couple tests that set gdbserver_reconnect_p and
restart gdb before reconnecting, because a gdb_exit (e.g., through
clean_restart) exits gdbserver unconditionally.
Fixes, with --target_board=native-gdbserver:
-FAIL: gdb.trace/mi-tracepoint-changed.exp: reconnect: break-info 1
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: tracepoint created
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: tracepoint on marker is installed
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: break-info 1
-FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv1 created
-FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv2 created
+PASS: gdb.trace/mi-tsv-changed.exp: upload: tsv1 created
+PASS: gdb.trace/mi-tsv-changed.exp: upload: tsv2 created
gdb/testsuite/
2015-04-16 Pedro Alves <palves@redhat.com>
* lib/gdbserver-support.exp (gdb_exit): If gdbserver_reconnect_p
is set, don't exit gdbserver.
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Hi,
When I run gdb.threads/non-stop-fair-events.exp on arm-linux target,
I see the following message in the debugging log,
displaced: breakpoint is gone: Thread 22518, step(1)^M
Sending packet: $vCont;s:p57f3.57f6#9d...
^^^^^^^^^
GDB sends vCont;s by mistake, and GDBserver fails on assert. GDB
doesn't consider software single step in infrun.c:displaced_step_fixup,
/* Go back to what we were trying to do. */
step = currently_stepping (tp);
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog,
"displaced: breakpoint is gone: %s, step(%d)\n",
target_pid_to_str (tp->ptid), step);
target_resume (ptid, step, GDB_SIGNAL_0);
The patch is to let GDB consider software single step here. It fixes
fails in gdb.threads/non-stop-fair-events.exp on arm.
gdb:
2015-04-16 Yao Qi <yao.qi@linaro.org>
* infrun.c (maybe_software_singlestep): Declare.
(displaced_step_fixup): Call maybe_software_singlestep.
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The test case s390-vregs.exp yields compile errors on 31-bit targets
as well as when using a GCC that defaults to an older "-march=". This
patch fixes these issues.
gdb/testsuite/ChangeLog:
* gdb.arch/s390-vregs.S (change_vrs): Replace exrl by an
appropriate .insn, such that an older assembler can be used.
* gdb.arch/s390-vregs.exp: Add the compile flag -mzarch, to enable
the z/Architecture instruction set on 31-bit targets as well.
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On s390x targets some of the Go test cases fail because the first
breakpoint happens to be at the same spot as the breakpoint at
main.main. When such a test case tries to continue to the first
breakpoint, the program runs until the end instead, and the test fails
like this:
FAIL: gdb.go/handcall.exp: Going to first breakpoint (the program exited)
This patch removes all the handling related to the first breakpoint in
those cases. After applying the patch, the tests run successfully on
s390x.
gdb/testsuite/ChangeLog:
* gdb.go/handcall.exp: Remove all logic related to the first
breakpoint and rely on go_runto_main instead.
* gdb.go/strings.exp: Likewise.
* gdb.go/unsafe.exp: Likewise.
* gdb.go/hello.exp: Likewise. Also rename the remaining
breakpoint marker to "breakpoint 1".
* gdb.go/handcall.go: Remove comment "set breakpoint 1 here".
* gdb.go/strings.go: Likewise.
* gdb.go/unsafe.go: Likewise.
* gdb.go/hello.go: Likewise. Also remove the second occurrence of
"set breakpoint 2 here" and rename the remaining breakpoint marker
to "breakpoint 1".
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This makes the common sim-cpu logic work.
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Remove the unused PREFIX_UD_XXX. Invalid opcodes should be handled by
prefix_table.
* i386-dis.c (PREFIX_UD_SHIFT): Removed.
(PREFIX_UD_REPZ): Likewise.
(PREFIX_UD_REPNZ): Likewise.
(PREFIX_UD_DATA): Likewise.
(PREFIX_UD_ADDR): Likewise.
(PREFIX_UD_LOCK): Likewise.
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gdb/ChangeLog:
* psymtab.c (psym_expand_symtabs_matching): Add QUIT call.
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"info fun foo" can be a pain when it's not interruptable,
especially if you're not exactly sure of what you're looking for
and provide something that matches too much.
gdb/ChangeLog:
* dwarf2read.c (dw2_expand_symtabs_matching): Add some QUIT calls.
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This patch removes prefix_requirement and checks dp->prefix_requirement
instead.
* i386-dis.c (prefix_requirement): Removed.
(print_insn): Don't set prefix_requirement. Check
dp->prefix_requirement instead of prefix_requirement.
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This patch puts rdrand and rdseed in prefix_table so that invalid
prefixes for rdrand and rdseed are handled properly.
gas/testsuite/
PR binutils/17898
* gas/i386/prefix.s: Add rdrand/rdseed prefix tests.
* gas/i386/prefix.d: Updated.
opcodes/
PR binutils/17898
* i386-dis.c (PREFIX_0FC7_REG_6): Renamed to ...
(PREFIX_MOD_0_0FC7_REG_6): This.
(PREFIX_MOD_3_0FC7_REG_6): New.
(PREFIX_MOD_3_0FC7_REG_7): Likewise.
(prefix_table): Replace PREFIX_0FC7_REG_6 with
PREFIX_MOD_0_0FC7_REG_6. Add PREFIX_MOD_3_0FC7_REG_6 and
PREFIX_MOD_3_0FC7_REG_7.
(mod_table): Replace PREFIX_0FC7_REG_6 with
PREFIX_MOD_0_0FC7_REG_6. Use PREFIX_MOD_3_0FC7_REG_6 and
PREFIX_MOD_3_0FC7_REG_7.
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* i386-dis.c (PREFIX_MANDATORY_REPZ): Removed.
(PREFIX_MANDATORY_REPNZ): Likewise.
(PREFIX_MANDATORY_DATA): Likewise.
(PREFIX_MANDATORY_ADDR): Likewise.
(PREFIX_MANDATORY_LOCK): Likewise.
(PREFIX_MANDATORY): Likewise.
(PREFIX_UD_SHIFT): Set to 8
(PREFIX_UD_REPZ): Updated.
(PREFIX_UD_REPNZ): Likewise.
(PREFIX_UD_DATA): Likewise.
(PREFIX_UD_ADDR): Likewise.
(PREFIX_UD_LOCK): Likewise.
(PREFIX_IGNORED_SHIFT): New.
(PREFIX_IGNORED_REPZ): Likewise.
(PREFIX_IGNORED_REPNZ): Likewise.
(PREFIX_IGNORED_DATA): Likewise.
(PREFIX_IGNORED_ADDR): Likewise.
(PREFIX_IGNORED_LOCK): Likewise.
(PREFIX_OPCODE): Likewise.
(PREFIX_IGNORED): Likewise.
(Bad_Opcode): Replace PREFIX_MANDATORY with 0.
(dis386_twobyte): Replace PREFIX_MANDATORY with PREFIX_OPCODE.
(three_byte_table): Likewise.
(mod_table): Likewise.
(mandatory_prefix): Renamed to ...
(prefix_requirement): This.
(prefix_table): Replace PREFIX_MANDATORY with PREFIX_OPCODE.
Update PREFIX_90 entry.
(get_valid_dis386): Check prefix_requirement to see if a prefix
should be ignored.
(print_insn): Replace mandatory_prefix with prefix_requirement.
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2015-04-15 Renlin Li <renlin.li@arm.com>
opcodes/:
* arm-dis.c (thumb32_opcodes): Define 'D' format control code,
use it for ssat and ssat16.
(print_insn_thumb32): Add handle case for 'D' control code.
gas/testsuite/:
* gas/arm/arch7em.d: Adjust required ssat and ssat16 immediate field.
* gas/arm/thumb32.d: Likewise.
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Since commit d86d4aafd4fa22fa4cccb83253fb187b03f97f48, the pid
must be retrieved from current_thread.
The change has not been made in the function linux_read_offsets().
Fixes:
http://autobuild.buildroot.net/results/9e4/9e4df085319e346803c26c65478accb27eb950ae/build-end.log
2015-04-14 Romain Naour <romain.naour@openwide.fr> (tiny change)
* linux-low.c (linux_read_offsets): Remove get_thread_lwp.
Signed-off-by: Romain Naour <romain.naour@openwide.fr>
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Some missing parentheses and one itertools.imap (Py2) vs map (Py3) issue.
gdb/ChangeLog:
* python/lib/gdb/command/unwinders.py: Add parentheses.
gdb/testsuite/ChangeLog:
* gdb.python/py-framefilter.py (ErrorFilter.filter): Use map function
if itertools.imap is not present.
* gdb.python/py-objfile.exp: Add parentheses.
* gdb.python/py-type.exp: Same.
* gdb.python/py-unwind-maint.py: Same.
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When I "set debug displaced 1" to fix fail in
gdb.base/disp-step-syscall.exp, the debug message is wrong. This
patch is to fix it.
gdb:
2015-04-15 Yao Qi <yao.qi@linaro.org>
* arm-linux-tdep.c (arm_linux_copy_svc): Update debug message.
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gdb:
2015-04-15 Yao Qi <yao.qi@linaro.org>
* arm-linux-tdep.c (arm_linux_copy_svc): Fix indentation.
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Hi,
I see this fail on arm-linux target,
FAIL: gdb.base/disp-step-syscall.exp: fork: single step over fork final pc
which is caused by the PC isn't expected after displaced stepping the
svc instruction. The code is:
=> 0xb6ead9a4 <__libc_do_syscall+4>: svc 0
0xb6ead9a6 <__libc_do_syscall+6>: pop {r7, pc}
0xb6ead9a8: nop.w^M
0xb6ead9ac: nop.w
after single step svc instruction, pc should be 0xb6ead9a6, but the
actual value of pc is 0xb6ead9a8. The problem is illustrated by
turning on debug message of displaced stepping,
stepi^M
displaced: stepping Thread 12031 now^M
displaced: saved 0x8574: 02 bc 6a 46 04 b4 01 b4 df f8 10 c0 4d f8 04 cd 03 48 04 4b ff f7 d2 ef ff f7 e8 ef 0d 87 00 00 ^M
displaced: process thumb insn df00 at b6ead9a4^M
displaced: copying svc insn df00^M
displaced: read r7 value 00000078^M
displaced: sigreturn/rt_sigreturn SVC call not in signal trampoline frame^M
displaced: writing insn df00 at 00008574^M
displaced: copy 0xb6ead9a4->0x8574: displaced: check mode of b6ead9a4 instead of 00008574^M
displaced: displaced pc to 0x8574^M
displaced: run 0x8574: 00 df 01 de ^M
displaced: restored Thread 12031 0x8574^M
displaced: PC is apparently 00008576 after SVC step (within scratch space)^M
displaced: writing pc b6ead9a8 <----- WRONG ADDRESS
GDB writes the wrong address back to pc because GDB thinks the
instruction size is 4, which isn't true for thumb instruction.
This patch is to replace 4 with dsc->insn_size.
gdb:
2015-04-15 Yao Qi <yao.qi@linaro.org>
* arm-linux-tdep.c (arm_linux_cleanup_svc): Use
dsc->insn_size instead of 4.
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I see many fails in gdb.dwarf2/dynarr-ptr.exp on arm-linux target,
started from this
print foo.three_ptr.all^M
Cannot access memory at address 0x107c8^M
(gdb) FAIL: gdb.dwarf2/dynarr-ptr.exp: print foo.three_ptr.all
print foo.three_ptr.all(1)^M
Cannot access memory at address 0x107c8
It turns out that ":$ptr_size" is used incorrectly.
array_ptr_label: DW_TAG_pointer_type {
{DW_AT_byte_size :$ptr_size }
^^^^^^^^^^
{DW_AT_type :$array_label}
}
Since the FORM isn't given, and it starts with the ":", it is regarded
as a label reference by dwarf assembler. The generated asm file on
x86_64 is
.uleb128 6 /* Abbrev (DW_TAG_pointer_type) */
.4byte 8 - .Lcu1_begin <----- WRONG
.4byte .Llabel2 - .Lcu1_begin
Looks .Lcu1_begin is 0 on x86_64 and that is why this test passes on
x86_64. On arm, .Lcu1_begin is an address somewhere, and the value
of DW_AT_byte_size is a very large number, so memory read request
of such large length failed.
This patch is to remove ":" and set the form explicitly. The generated
asm file on x86_64 becomes
.uleb128 6 /* Abbrev (DW_TAG_pointer_type) */
.byte 8
.4byte .Llabel2 - .Lcu1_begin
gdb/testsuite:
2015-04-15 Yao Qi <yao.qi@linaro.org>
* gdb.dwarf2/dynarr-ptr.exp (assemble): Use $ptr_size instead
of ":$ptr_size" and set its form explicitly.
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binutils/
* NEWS: Mention
--compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi].
gas/
* NEWS: Mention
--compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi].
ld/
* NEWS: Mention
--compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi].
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I see the following two timeout fails on pandaboard (arm-linux target),
FAIL: gdb.base/watch-bitfields.exp: -location watch against bitfields: continue until exit (timeout)
FAIL: gdb.base/watch-bitfields.exp: regular watch against bitfields: continue until exit (timeout)
In this test, more than one watchpoint is used, so the following
watchpoint requests fall back to software watchpoint, so that GDB
will single step all the way and it is very slow.
This patch is to copy the fix from
[PATCH] GDB/testsuite: Correct gdb.base/watchpoint-solib.exp timeout tweak
https://sourceware.org/ml/gdb-patches/2014-07/msg00716.html
I find the left-over of this patch review is to factor out code into
a procedure, so I do that in this patch.
Re-run tests watch-bitfields.exp, watchpoint-solib.exp, sigall-reverse.exp,
and until-precsave.exp on pandaboard, no regression.
gdb/testsuite:
2015-04-15 Pedro Alves <palves@redhat.com>
Yao Qi <yao.qi@linaro.org>
* gdb.base/watch-bitfields.exp (test_watch_location): Increase
timeout by factor of 4.
(test_regular_watch): Likewise.
* gdb.base/watchpoint-solib.exp: Use with_timeout_factor.
* gdb.reverse/sigall-reverse.exp: Likewise.
* gdb.reverse/until-precsave.exp: Likewise.
* lib/gdb.exp (with_timeout_factor): New proc.
(gdb_expect): Move some code to ...
(get_largest_timeout): ... here. New procedure.
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Now that all the targets are utilizing CPU_PC_{FETCH,STORE}, and the
cpu state is multicore, and the STATE_CPU defines match, we can move
it all to the common code.
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This sets up the sim_state structure and the cpu member to match what we
do in most other sims, and what the common code suggests. This is a step
to unifying on the sim-cpu.o object.
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This patch adds --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]
to ld for ELF targets to support generating compressed DWARF debug
sections. We always generate .zdebug_* section since section names have
been finalized and they can't be changed easily when compression is
being performed.
bfd/
* bfd-in.h (compressed_debug_section_type): New.
* compress.c (bfd_compress_section_contents): Add an argument
for linker write compression and always generate .zdebug_*
section when linking.
(bfd_init_section_compress_status): Pass FALSE to
bfd_compress_section_contents.
(bfd_compress_section): New function.
* elf.c (elf_fake_sections): For linking, set SEC_ELF_COMPRESS
on DWARF debug sections if COMPRESS_DEBUG is set and rename
section if COMPRESS_DEBUG_GABI_ZLIB isn't set.
(assign_file_positions_for_non_load_sections): Set sh_offset
to -1 if SEC_ELF_COMPRESS is set.
(assign_file_positions_except_relocs): Likwise.
(_bfd_elf_assign_file_positions_for_relocs): Renamed to ...
(_bfd_elf_assign_file_positions_for_non_load): This. Change
return time to bfd_boolean. Compress the section if
SEC_ELF_COMPRESS is set.
(_bfd_elf_write_object_contents): Updated.
(_bfd_elf_set_section_contents): Write section contents to
the buffer if SEC_ELF_COMPRESS is set.
* merge.c: Include "elf-bfd.h".
(sec_merge_emit): Add arguments for contents and offset. Write
to contents with offset if contents isn't NULL.
(_bfd_write_merged_section): Write section contents to the
buffer if SEC_ELF_COMPRESS is set. Pass contents and
output_offset to sec_merge_emit.
* elflink.c (bfd_elf_final_link): Allocate the buffer for
output section contents if SEC_ELF_COMPRESS is set.
* section.c (SEC_ELF_COMPRESS): New.
* bfd-in2.h: Regenerated.
gas/
* as.h (compressed_debug_section_type): Removed.
include/
* bfdlink.h (bfd_link_info): Add compress_debug.
ld/
* ld.texinfo: Document --compress-debug-sections=.
* ldmain.c (main): Set BFD_COMPRESS on output_bfd if
COMPRESS_DEBUG is set. Set BFD_COMPRESS_GABI on output_bfd
for COMPRESS_DEBUG_GABI_ZLIB.
* lexsup.c (elf_static_list_options): Add
--compress-debug-sections=.
* emultempl/elf32.em (OPTION_COMPRESS_DEBUG): New.
(xtra_long): Add "compress-debug-sections".
(gld${EMULATION_NAME}_handle_option): Handle
OPTION_COMPRESS_DEBUG.
ld/testsuite/
* ld-elf/compress.exp (build_tests): Add tests for
--compress-debug-sections=.
(run_tests): Likewise.
Add additonal tests for --compress-debug-sections=.
* ld-elf/gabiend.rt: New file.
* ld-elf/gabinormal.rt: Likewise.
* ld-elf/gnubegin.rS: Likewise.
* ld-elf/gnunormal.rS: Likewise.
* ld-elf/zlibbegin.rS: Likewise.
* ld-elf/zlibnormal.rS: Likewise.
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Fails due to
warning: generating a shared library containing non-PIC/PID code
* ld-gc/pr18223.d: xfail tic6x.
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