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Remove FUNCTION pointer in struct btrace_insn_iterator and use an index into
the list of function segments instead.
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Remove FUNCTION pointer in struct btrace_call_iterator and use an index into
the list of function segments instead.
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This will serve as the access path to the vector of function segments once
the FUNCTION pointer in struct btrace_insn_iterator is removed.
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Directly insert new btrace_function pointers into the vector and have the
vector own these pointers. This allows us to later retrieve these objects by
their number directly after creation whereas at the moment we have to wait
until the vector is fully populated.
This requires to pull btrace_thread_info through different functions but
cleans up the code for freeing the trace.
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Change the GDB 8.0 section of the NEWS file to try to follow this order:
* Functional changes
* Added and removed configurations and targets
* New commands
* New options
* MI changes
In particular, there were two "New commands" sections.
gdb/ChangeLog:
* NEWS (Changes in GDB 8.0): Remove extra empty line. Move
"Removed targets and native configurations" up. Merge duplicate
"New commands" sub-sections. Add "New options" sub-sections.
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This test requires calling a function in the inferior, and therefore it
doesn't make sense to run it if the target doesn't support calling
functions from GDB.
gdb/testsuite/ChangeLog:
* gdb.base/watch-cond-infcall.exp: Don't run if target doesn't
support function calls from GDB.
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Use these to replace instances of MAX_REGISTER_SIZE.
* defs.h (copy_integer_to_size): New declaration.
* findvar.c (copy_integer_to_size): New function.
(do_cint_test): New selftest function.
(copy_integer_to_size_test): Likewise.
(_initialize_findvar): Likewise.
* mips-fbsd-tdep.c (mips_fbsd_supply_reg): Use raw_supply_integer.
(mips_fbsd_collect_reg): Use raw_collect_integer.
* mips-linux-tdep.c (supply_32bit_reg): Use raw_supply_integer.
(mips64_fill_gregset): Use raw_collect_integer
(mips64_fill_fpregset): Use raw_supply_integer.
* regcache.c (regcache::raw_supply_integer): New function.
(regcache::raw_collect_integer): Likewise.
* regcache.h: (regcache::raw_supply_integer): New declaration.
(regcache::raw_collect_integer): Likewise.
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This patch adds one unit test for gdbarch methods register_to_value and
value_to_register. The test pass different combinations of {regnu, type}
to gdbarch_register_to_value and gdbarch_value_to_register. In order
to do the test, add a new function create_new_frame to create a fake
frame. It can be improved after we converted frame_info to class.
In order to isolate regcache (from target_ops operations on writing
registers, like target_store_registers), the sub-class of regcache in the
test override raw_write. Also, in order to get the right regcache from
get_thread_arch_aspace_regcache, the sub-class of regcache inserts itself
to current_regcache.
Suppose I incorrectly modified the size of buffer as below,
@@ -1228,7 +1228,7 @@ ia64_register_to_value (struct frame_info *frame, int regnum,
int *optimizedp, int *unavailablep)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
- gdb_byte in[MAX_REGISTER_SIZE];
+ gdb_byte in[1];
/* Convert to TYPE. */
if (!get_frame_register_bytes (frame, regnum, 0,
build GDB with "-fsanitize=address" and run unittest.exp, asan can detect
such error
==2302==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fff98193870 at pc 0xbd55ea bp 0x7fff981935a0 sp 0x7fff98193598
WRITE of size 16 at 0x7fff98193870 thread T0
#0 0xbd55e9 in frame_register_unwind(frame_info*, int, int*, int*, lval_type*, unsigned long*, int*, unsigned char*) /home/yao/SourceCode/gnu/gdb/git/gdb/frame.c:1119
#1 0xbd58c8 in frame_register(frame_info*, int, int*, int*, lval_type*, unsigned long*, int*, unsigned char*) /home/yao/SourceCode/gnu/gdb/git/gdb/frame.c:1147
#2 0xbd6e25 in get_frame_register_bytes(frame_info*, int, unsigned long, int, unsigned char*, int*, int*) /home/yao/SourceCode/gnu/gdb/git/gdb/frame.c:1427
#3 0x70080a in ia64_register_to_value /home/yao/SourceCode/gnu/gdb/git/gdb/ia64-tdep.c:1236
#4 0xbf570e in gdbarch_register_to_value(gdbarch*, frame_info*, int, type*, unsigned char*, int*, int*) /home/yao/SourceCode/gnu/gdb/git/gdb/gdbarch.c:2619
#5 0xc05975 in register_to_value_test /home/yao/SourceCode/gnu/gdb/git/gdb/gdbarch-selftests.c:131
Or, even if GDB is not built with asan, GDB just crashes.
*** stack smashing detected ***: ./gdb terminated
Aborted (core dumped)
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* Makefile.in (SFILES): Add gdbarch-selftests.c.
(COMMON_OBS): Add gdbarch-selftests.o.
* frame.c [GDB_SELF_TESTS] (create_new_frame): New function.
* frame.h [GDB_SELF_TESTS] (create_new_frame): Declare.
* gdbarch-selftests.c: New file.
* regcache.h (regcache) <~regcache>: Mark it virtual if
GDB_SELF_TEST.
<raw_write>: Likewise.
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This patches moves global variable current_regcache to a class regcache
static variable (protected) so that the unit test I add in the following
patch can access it (by means of extending class regcache in unit test).
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* regcache.c (current_regcache): Change it to
regcache::current_regcache.
(regcache_observer_target_changed): Update.
(regcache_thread_ptid_changed): Make it a regcache static
method.
(regcache_thread_ptid_changed): Update.
(class regcache_access): New.
(current_regcache_test): Update.
(_initialize_regcache): Update.
* regcache.h: Include forward_list.
(regcache): Declare regcache_thread_ptid_changed and declare
registers_changed_ptid as friend.
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We should use register_size to get register contents instead of
TYPE_LENGTH.
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* i387-tdep.c (i387_register_to_value): Use register_size
instead of TYPE_LENGTH.
* m68k-tdep.c (m68k_register_to_value): Likewise.
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gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* i387-tdep.c (i387_convert_register_p): Return false if type
code isn't TYPE_CODE_FLT.
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This patch restricts alpha_convert_register_p from
"TYPE_LENGTH (type) != 8" to "TYPE_LENGTH (type) == 4", because,
- we have check "TYPE_LENGTH (valtype) == 4" in alpha_register_to_value
and alpha_value_to_register,
- alpha lds and sts instruction access 4 bytes,
- comments "It might need to convert the [float] register into the
corresponding [integer] type (see Alpha)" and integer is 4-byte on
alpha,
I think it is the right restrict condition to "TYPE_LENGTH (valtype) == 4".
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* alpha-tdep.c (alpha_convert_register_p): Return true if type
length is 4.
(alpha_register_to_value): Remove type length check.
(alpha_value_to_register): Likewise.
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gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* ia64-tdep.c (ia64_convert_register_p): Check type's code is
TYPE_CODE_FLT.
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We need to convert register if the type is float. Suppose we get a value
from float point register, but its type is integer, we don't have to convert.
This case may not exist in real code, but exist in my unit test case.
warning: Cannot convert floating-point register value to non-floating-point type.
Self test failed: arch m68k: self-test failed at gdb/git/gdb/findvar.c:1072
ok = gdbarch_register_to_value (gdbarch, frame, regnum, type,
buf.data (), &optim, &unavail);
1072: SELF_CHECK (ok);
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* m68k-tdep.c (m68k_convert_register_p): Check type's code is
TYPE_CODE_FLT or not.
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This patch uses XCNEW gdbarch_tdep instead of XNEW.
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* alpha-tdep.c (alpha_gdbarch_init): Use XCNEW instead of XNEW.
* avr-tdep.c (avr_gdbarch_init): Likewise.
* bfin-tdep.c (bfin_gdbarch_init): Likewise.
* cris-tdep.c (cris_gdbarch_init): Likewise.
* ft32-tdep.c (ft32_gdbarch_init): Likewise.
* lm32-tdep.c (lm32_gdbarch_init): Likewise.
* m32r-tdep.c (m32r_gdbarch_init): Likewise.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Likewise.
* mep-tdep.c (mep_gdbarch_init): Likewise.
* microblaze-tdep.c (microblaze_gdbarch_init): Likewise.
* mips-tdep.c (mips_gdbarch_init): Likewise.
* mn10300-tdep.c (mn10300_gdbarch_init): Likewise.
* moxie-tdep.c (moxie_gdbarch_init): Likewise.
* msp430-tdep.c (msp430_gdbarch_init): Likewise.
* sh64-tdep.c (sh64_gdbarch_init): Likewise.
* v850-tdep.c (v850_gdbarch_init): Likewise.
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GDB has some global variables, like sentinel_frame,
current_thread_arch, and etc, we need to reset them after each unit
tests.
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* selftest-arch.c (tests_with_arch): Call registers_changed
and reinit_frame_cache.
* selftest.c (run_self_tests): Likewise.
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Nowadays, rs6000 disassembler is selected in different ways in
opcodes and gdb,
opcodes:
case bfd_arch_rs6000:
if (mach == bfd_mach_ppc_620)
disassemble = print_insn_big_powerpc;
else
disassemble = print_insn_rs6000;
break;
gdb:
if (arch == bfd_arch_rs6000)
set_gdbarch_print_insn (gdbarch, print_insn_rs6000);
else
set_gdbarch_print_insn (gdbarch, gdb_print_insn_powerpc);
I am not sure which one is the right one. However, such selection
should be done in one place instead of two.
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* rs6000-tdep.c (gdb_print_insn_powerpc): Remove.
(rs6000_gdbarch_init): Don't call set_gdbarch_print_insn.
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This patch changes rl78 to let disassble.c:disassembler select
disassembler. rl78_get_disassembler doesn't handle the case
that abfd is NULL, so this patch also fix it.
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* rl78-tdep.c (rl78_gdbarch_init): Don't call
set_gdbarch_print_insn.
opcodes:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* rl78-dis.c (rl78_get_disassembler): If parameter abfd
is NULL, set cpu to E_FLAG_RL78_ANY_CPU.
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opcodes/disassble.c:disassembler select h8300 disassembler like this,
if (mach == bfd_mach_h8300h || mach == bfd_mach_h8300hn)
disassemble = print_insn_h8300h;
else if (mach == bfd_mach_h8300s
|| mach == bfd_mach_h8300sn
|| mach == bfd_mach_h8300sx
|| mach == bfd_mach_h8300sxn)
disassemble = print_insn_h8300s;
else
disassemble = print_insn_h8300;
which is the same as what gdb/h8300-tdpe.c does,
switch (info.bfd_arch_info->mach)
{
case bfd_mach_h8300:
...
set_gdbarch_print_insn (gdbarch, print_insn_h8300);
case bfd_mach_h8300h:
case bfd_mach_h8300hn:
...
set_gdbarch_print_insn (gdbarch, print_insn_h8300h);
case bfd_mach_h8300s:
case bfd_mach_h8300sn:
...
set_gdbarch_print_insn (gdbarch, print_insn_h8300s);
so we can leave disassble.c:disassembler doing the selection.
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* h8300-tdep.c (h8300_gdbarch_init): Don't call
set_gdbarch_print_insn.
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This patch changes GDB to use disassembler selected by opcodes in
default, so that we don't have to duplicate the selection logic again
in GDB side. For example, gdb/score-tdep.c has
static int
score_print_insn (bfd_vma memaddr, struct disassemble_info *info)
{
if (info->endian == BFD_ENDIAN_BIG)
return print_insn_big_score (memaddr, info);
else
return print_insn_little_score (memaddr, info);
}
and opcodes/disassemble.c has the same logic,
case bfd_arch_score:
if (big)
disassemble = print_insn_big_score;
else
disassemble = print_insn_little_score;
This patch removes the logic in GDB and calls
opcodes/disassemble.c:disassembler in default to select disassembler.
gdb:
2017-05-24 Yao Qi <yao.qi@linaro.org>
* alpha-tdep.c (alpha_gdbarch_init): Don't call
set_gdbarch_print_insn.
* arc-tdep.c (arc_gdbarch_init): Likewise.
* arch-utils.c: include dis-asm.h.
(default_print_insn): New function.
* arch-utils.h (default_print_insn): Declare.
* avr-tdep.c (avr_gdbarch_init): Don't call set_gdbarch_print_insn.
* bfin-tdep.c (bfin_gdbarch_init): Likewise.
* cris-tdep.c (cris_delayed_get_disassembler): Remove.
(cris_gdbarch_init): Don't call set_gdbarch_print_insn.
* frv-tdep.c (frv_gdbarch_init): Likewise.
* ft32-tdep.c (ft32_gdbarch_init): Likewise.
* gdbarch.sh (print_insn): Use default_print_insn.
* gdbarch.c: Regenerated.
* hppa-tdep.c (hppa_gdbarch_init): Likewise.
* iq2000-tdep.c (iq2000_gdbarch_init): Likewise.
* lm32-tdep.c (lm32_gdbarch_init): Likewise.
* m32c-tdep.c (m32c_gdbarch_init): Likewise.
* m32r-tdep.c (m32r_gdbarch_init): Likewise.
* m68hc11-tdep.c (gdb_print_insn_m68hc11): Remove.
(m68hc11_gdbarch_init): Don't call set_gdbarch_print_insn.
* m68k-tdep.c (m68k_gdbarch_init): Likewise.
* m88k-tdep.c (m88k_gdbarch_init): Likewise.
* microblaze-tdep.c (microblaze_gdbarch_init): Likewise.
* mn10300-tdep.c (mn10300_gdbarch_init): Likewise.
* moxie-tdep.c (moxie_gdbarch_init): Likewise.
* msp430-tdep.c (msp430_gdbarch_init): Likewise.
* mt-tdep.c (mt_gdbarch_init): Likewise.
* nds32-tdep.c (nds32_gdbarch_init): Likewise.
* nios2-tdep.c (nios2_print_insn): Remove.
(nios2_gdbarch_init): Don't call set_gdbarch_print_insn.
* rx-tdep.c (rx_gdbarch_init): Likewise.
* s390-linux-tdep.c (s390_gdbarch_init): Likewise.
* score-tdep.c (score_print_insn): Remove.
(score_gdbarch_init): Don't call set_gdbarch_print_insn.
* sh-tdep.c (sh_gdbarch_init): Likewise.
* sh64-tdep.c (sh64_gdbarch_init): Likewise.
* sparc-tdep.c (sparc32_gdbarch_init): Likewise.
* tic6x-tdep.c (tic6x_print_insn): Remove.
(tic6x_gdbarch_init): Don't call set_gdbarch_print_insn.
* tilegx-tdep.c (tilegx_gdbarch_init): Likewise.
* v850-tdep.c (v850_gdbarch_init): Likewise.
* vax-tdep.c (vax_gdbarch_init): Likewise.
* xstormy16-tdep.c (xstormy16_gdbarch_init): Likewise.
* xtensa-tdep.c (xtensa_gdbarch_init): Likewise.
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gdb/ChangeLog:
* mips-fbsd-tdep.c (MIPS_PC_REGNUM): Remove.
(MIPS_FP0_REGNUM): Remove.
(MIPS_FSR_REGNUM): Remove.
(mips_fbsd_supply_fpregs): Use mips_regnum.
(mips_fbsd_supply_gregs): Likewise.
(mips_fbsd_collect_fpregs): Likewise.
(mips_fbsd_collect_gregs): Likewise.
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Compare against the "raw" PC register number instead of the cooked
register number when determining if a register was handled by
PT_GETREGS. Previously the register fetch/store operations only tried
PT_GETREGS to fetch any individual register. The result was that
fetching or storing an individual register not covered by PT_GETREGS
(such as floating point registers) did not work.
While here, remove an early exit to simplify the code flow from the
PT_GETREGS / PT_SETREGS case, and add a getfpregs_supplies similar to
getregs_supplies to describe the registers supplied by PT_GETFPREGS
and PT_SETFPREGS.
gdb/ChangeLog:
* mips-fbsd-nat.c (getregs_supplies): Fix upper bound comparison.
(getpfpregs_supplies): New function.
(mips_fbsd_fetch_inferior_registers): Remove early exit and use
getfpregs_supplies.
(mips_fbsd_store_inferior_registers): Likewise.
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Add mention of the vMustReplyEmpty to the remote serial protocol
documentation. It is important that this packet be treated in the same
fashion as any other unknown 'v' packet, and I have tried to reflect
this in the description of the packet, it is not simply the case that we
_must_ return the empty string for this packet.
As the intention is that we should treat this packet as unknown then an
argument could be made that we should not document it, however, for
someone implementing a gdbserver from scratch, seeing an undocumented
packet arrive from gdb is confusing, and will probably cause them to
have to read the code in order to check how this packet should be
handled, which is not ideal.
gdb/doc/ChangeLog:
* gdb.texinfo (Packets): Document vMustReplyEmpty packet.
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gdb/ChangeLog:
2017-05-22 Pedro Alves <palves@redhat.com>
* MAINTAINERS (Host/Native): Add John Baldwin as FreeBSD
maintainer.
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gdb/
* ppc-linux-nat.c (fetch_register): Use PPC_MAX_REGISTER_SIZE.
(store_register): Likewise.
* ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Likewise.
(get_decimal_float_return_value): Likewise.
(do_ppc_sysv_return_value): Likewise.
(ppc64_sysv_abi_push_integer): Likewise.
(ppc64_sysv_abi_push_freg): Likewise.
(ppc64_sysv_abi_return_value_base): Likewise.
(ppc64_sysv_abi_return_value): Likewise.
* rs6000-aix-tdep.c (rs6000_push_dummy_call): Likewise.
* rs6000-lynx178-tdep.c (rs6000_lynx178_push_dummy_call): Likewise.
* rs6000-nat.c: Likewise.
* rs6000-tdep.c (rs6000_register_to_value): Likewise.
(rs6000_value_to_register): Likewise.
* ppc-tdep.h (PPC_MAX_REGISTER_SIZE): Add.
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It's a bit difficult to create an unsized array type in Rust, but if
you do, right now ptype will show something like "[u8; ]". It really
should print "[u8]", though, which is what this patch implements.
This is part of PR 21466.
Built and regtested on x86-64 Fedora 25. I'm checking this in.
ChangeLog
2017-05-21 Tom Tromey <tom@tromey.com>
PR rust/21466:
* rust-lang.c (rust_print_type) <TYPE_CODE_ARRAY>: Print unsized
arrays as "[T]", not "[T; ]".
testsuite/ChangeLog
2017-05-21 Tom Tromey <tom@tromey.com>
PR rust/21466:
* gdb.rust/unsized.exp: New file.
* gdb.rust/unsized.rs: New file.
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PR rust/21484 notes that watch -location does not work with Rust:
(gdb) watch -location a
syntax error in expression, near `) 0x00007fffffffe0f4'.
update_watchpoint tries to tell gdb that the new expression it creates
has C syntax:
/* The above expression is in C. */
b->language = language_c;
However, update_watchpoint doesn't actually use this language when
re-parsing the expression.
Originally I was going to fix this by saving and restoring the
language in update_watchpoint, but this regressed
gdb.dlang/watch-loc.exp, because the constructed expression actually
has D syntax (specifically the name is not parseable by C).
Next I looked at directly constructing an expression, and not relying
on the parser at all; but it seemed to me that upon a re-set, we'd
want to reparse the type, and there is no existing API to do this
correctly.
So, in the end I made a hook to let each language choose what
expression to use. I made all the languages other than Rust use the C
expression, because that is the status quo ante. However, this is
probably not truly correct. After this patch, at least, it is easy to
correct by someone who knows the language(s) in question.
Regtested by the buildbot.
ChangeLog
2017-05-19 Tom Tromey <tom@tromey.com>
PR rust/21484:
* rust-lang.c (exp_descriptor_rust): New function.
(rust_language_defn): Use it.
* p-lang.c (pascal_language_defn): Update.
* opencl-lang.c (opencl_language_defn): Update.
* objc-lang.c (objc_language_defn): Update.
* m2-lang.c (m2_language_defn): Update.
* language.h (struct language_defn)
<la_watch_location_expression>: New member.
* language.c (unknown_language_defn, auto_language_defn)
(local_language_defn): Update.
* go-lang.c (go_language_defn): Update.
* f-lang.c (f_language_defn): Update.
* d-lang.c (d_language_defn): Update.
* c-lang.h (c_watch_location_expression): Declare.
* c-lang.c (c_watch_location_expression): New function.
(c_language_defn, cplus_language_defn, asm_language_defn)
(minimal_language_defn): Use it.
* breakpoint.c (watch_command_1): Call
la_watch_location_expression.
* ada-lang.c (ada_language_defn): Update.
testsuite/ChangeLog
2017-05-19 Tom Tromey <tom@tromey.com>
PR rust/21484:
* gdb.rust/watch.exp: New file.
* gdb.rust/watch.rs: New file.
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On both mainline and the 8.0 branch, gdb compilation fails on Solaris 10
with the native libcurses like this:
In file included from /vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/gdb_curses.h:42:
0,
from /vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-data.h:2
6,
from /vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-disasm.c
:31:
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-disasm.c: In function `CORE_A
DDR tui_disassemble(gdbarch*, tui_asm_line*, CORE_ADDR, int)':
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-disasm.c:71:19: error: `class
string_file' has no member named `wclear'; did you mean `clear'?
gdb_dis_out.clear ();
^
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-disasm.c:78:19: error: `class
string_file' has no member named `wclear'; did you mean `clear'?
gdb_dis_out.clear ();
^
make[2]: *** [Makefile:1927: tui-disasm.o] Error 1
It turned out this happens because <curses.h> has
#define clear() wclear(stdscr)
This can be avoided by defining NOMACROS, which the patch below does.
ncurses potentially has a similar problem, which can be avoided by defining
NCURSES_NOMACROS.
PR tui/21482
* gdb_curses.h (NOMACROS): Define.
(NCURSES_NOMACROS): Define.
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(PR tui/21482)
On both mainline and the 8.0 branch, gdb compilation fails on Solaris 10
with the native libcurses in gdb/tui for several instances of the same problem:
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-winsource.c: In function `void tui_erase_source_content(tui_win_info*, int)':
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-winsource.c:257:18: error: invalid conversion from `const char*' to `char*' [-fpermissive]
no_src_str);
^
In file included from /vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/gdb_curses.h:42:0,
from /vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-data.h:26,
from /vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/tui/tui-winsource.c:33:
/vol/gcc-7/lib/gcc/sparc-sun-solaris2.10/7.1.0/include-fixed/curses.h:699:12: note: initializing argument 4 of `int mvwaddstr(WINDOW*, int, int, char*)'
extern int mvwaddstr(WINDOW *, int, int, char *);
^~~~~~~~~
make[2]: *** [Makefile:1927: tui-winsource.o] Error 1
Unlike ncurses, <curses.h> declares
extern int mvwaddstr(WINDOW *, int, int, char *);
i.e. the last arg is char *, not const char *.
The patch fixes this by casting the last arg to mvwaddstr to char *,
as was recently done on mainline in a newterm() call (the only
difference between 8.0 and mainline gdb/tui).
* tui/tui-windata.c (tui_erase_data_content): Cast last mvwaddstr
arg to char *.
* tui/tui-wingeneral.c (box_win): Likewise.
* tui/tui-winsource.c (tui_erase_source_content): Likewise.
(tui_show_source_line): Likewise.
(tui_show_exec_info_content): Likewise.
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gdb has a special type (TYPE_CODE_ARRAY) to support the gcc extension
(https://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html).
TYPE_CODE_ARRAY is handled incorrectly for both (32- and 64-bit) modes
on Sparc machines.
Tested on sparc64-linux-gnu and sparc-solaris (32- and 64-bit mode).
6 tests ( from gdb/testsuite/gdb.base/gnu_vector.exp) failed on
sparc64-Linux and on sparc-Solaris in 32- and 64-bit mode. Now all
these tests passed. gdb/testsuite/gdb.base/gnu_vector.exp has 117
different cases for small (and not small) arrays and structures.
No regressions.
gdb/ChangeLog:
2017-05-19 Vladimir Mezentsev <vladimir.mezentsev@oracle.com>
* sparc-tdep.c (sparc_structure_return_p)
(sparc_arg_on_registers_p): New functions.
(sparc32_store_arguments): Use them.
* sparc64-tdep.c (sparc64_16_byte_align_p)
(sparc64_store_floating_fields, sparc64_extract_floating_fields):
Handle TYPE_CODE_ARRAY.
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With Rust 1.18 and 1.19, I saw some test suite failures. They were
all of the same form -- Box seems to be qualified in the output now,
like:
print box_some
$64 = core::option::Option<alloc::boxed::Box<u8>>::Some(0x7ffff6c21018 "\001\000")
... where the test was expecting Option<Box<u8>>.
This patch fixes the problem in a way that should work with earlier
versions of Rust.
gdb/testsuite/ChangeLog
2017-05-18 Tom Tromey <tom@tromey.com>
* gdb.rust/simple.exp: Allow Box to be qualified.
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2017-05-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
gdb/testsuite/
* gdb.base/float.exp: Expect GDB prompt for targets without FPU.
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src/gdb/testsuite/gdb.base/fileio.c: In function ‘test_write’:
src/gdb/testsuite/gdb.base/fileio.c:158:5: warning: ‘ret’ may be used uninitialized in this function [-Wmaybe-uninitialized]
printf ("write 1: ret = %d, errno = %d\n", ret, errno);
^
gdb/ChangeLog:
2017-05-18 Pedro Alves <palves@redhat.com>
* gdb.base/fileio.c (test_write, test_read, test_close)
(test_fstat): Don't print 'ret' in the fail path.
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All the "test_" functions warn like:
src/gdb/testsuite/gdb.base/fileio.c: In function ‘test_close’:
src/gdb/testsuite/gdb.base/fileio.c:280:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
Nothing looks at the return of these functions, so just make them
return void. While at it, "()" is not the same as "(void)" in C - fix
that too.
gdb/ChangeLog:
2017-05-18 Pedro Alves <palves@redhat.com>
* gdb.base/fileio.c (stop, test_open, test_write, test_read)
(test_lseek, test_close, test_stat, test_fstat, test_isatty)
(test_system, test_rename, test_unlink, test_time): Change
prototypes.
* gdb.base/fileio.exp (stop_msg): Adjust.
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... and quiet -Wnonnull in a different way.
gdb/testsuite/ChangeLog:
2017-05-18 Pedro Alves <palves@redhat.com>
* gdb.base/fileio.c (null_str): New global.
(test_stat): Use it.
* gdb.base/fileio.exp: Remove nowarnings.
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I see the following warning in gdb.base/fileio.c,
testsuite/gdb.base/fileio.c:297:3: warning: null argument where non-null required (argument 1) [-Wnonnull]
ret = stat (NULL, &st);
^
This patch adds "nowarnings" to the list passed to gdb_compile.
gdb/testsuite:
2017-05-17 Yao Qi <yao.qi@linaro.org>
* gdb.base/fileio.exp: Pass nowarnings to gdb_compile.
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When we add alias command, we call add_alias_cmd and pass the alias name
and command name. This implicitly requires the command and its prefix
commands are already added to cmdlist. This may not be true, for example,
add_com_alias ("tty", "set inferior-tty", class_alias, 0);
"inferior-tty" command is added to setlist, but setlist may not be added
to cmdlist (It depends on the order of related _initialize_XXX functions
called) so that we can't find "set inferior-tty" from cmdlist.
This patch fixes this problem by passing cmd_list_element of "inferior-tty"
to add_alias_cmd, so that cmd_list_element of "inferior-tty" doesn't have
to be reachable from cmdlist at that moment.
gdb:
2017-05-17 Yao Qi <yao.qi@linaro.org>
* cli/cli-decode.c (add_alias_cmd): New function.
* command.h (add_alias_cmd): Declare.
* infcmd.c (_initialize_infcmd): Don't call add_com_alias,
instead call add_alias_cmd.
gdb/testsuite:
2017-05-17 Simon Marchi <simon.marchi@ericsson.com>
* gdb.base/set-inferior-tty.exp (test_set_inferior_tty): Add
argument command.
(top-level): Invoke test_set_inferior_tty.
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gdb/ChangeLog:
2017-05-17 Pedro Alves <palves@redhat.com>
* Makefile.in (nat_extra_makefile_frag): Rename to ...
(nat_makefile_frag): ... this. All references updated.
* configure.ac: Likewise.
* configure.nat: Likewise. Enhance comments.
* configure: Regenerate.
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Prompted by the creation of the gdb 8.0 branch, I tried to build it on
x86_64-pc-solaris2.12, but failed:
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c: In function `target_ops* procfs_target()':
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c:186:27: error: invalid conversion from `void (*)(target_ops*, char*, char*, char**, int)' to `void (*)(target_ops*, const char*, const string&, char**, int) {aka void (*)(target_ops*, const char*, const std::__cxx11::basic_string<char>&, char**, int)}' [-fpermissive]
t->to_create_inferior = procfs_create_inferior;
^~~~~~~~~~~~~~~~~~~~~~
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c: At global scope:
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c:125:13: warning: `void procfs_create_inferior(target_ops*, char*, char*, char**, int)' declared `static' but never defined [-Wunused-function]
static void procfs_create_inferior (struct target_ops *, char *,
^~~~~~~~~~~~~~~~~~~~~~
/vol/src/gnu/gdb/gdb-8.0-branch/local/gdb/procfs.c:4529:1: warning: `void procfs_create_inferior(target_ops*, const char*, const string&, char**, int)' defined but not used [-Wunused-function]
procfs_create_inferior (struct target_ops *ops, const char *exec_file,
^~~~~~~~~~~~~~~~~~~~~~
This can easily be fixed by the following patch.
* procfs.c (procfs_create_inferior): Change prototype to match
definition.
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gdb:
2017-05-13 Eli Zaretskii <eliz@gnu.org>
* tui/tui.c (tui_enable): Cast "unknown" to 'char *' to avoid a
C++ compiler warning.
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The STRUCTOP_STRUCT case in rust_evaluate_subexp would evaluate its
LHS, and then, if it did not need Rust-specific treatment, it would
back up and re-evaluate the entire STRUCTOP_STRUCT part of the
expression using evaluate_subexp_standard. This yields exponential
behavior and causes some expressions to evaluate extremely slowly.
The fix is to simply do the needed work inline.
This is PR rust/21483.
ChangeLog
2017-05-12 Tom Tromey <tom@tromey.com>
PR rust/21483:
* rust-lang.c (rust_evaluate_subexp) <STRUCTOP_STRUCT>: Don't
recurse, just call value_struct_elt directly.
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rust_dump_subexp_body was not correct in a couple of cases. While
debugging the bug I was really interested in, this caused a crash.
This patch fixes the problems. No test case because, IIRC there
generally aren't tests for expression dumping.
ChangeLog
2017-05-12 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_dump_subexp_body) <STRUCTOP_ANONYMOUS,
OP_RUST_ARRAY>: Fix.
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This replaces a "return" with a "break" in rust_print_subexp, for
consistency.
ChangeLog
2017-05-12 Tom Tromey <tom@tromey.com>
* rust-lang.c (rust_print_subexp): Replace "return" with "break".
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gdb:
2017-05-09 Yao Qi <yao.qi@linaro.org>
* regcache.c: Include <forward_list>.
(struct regcache_list): Remove.
(current_regcache): Update.
(get_thread_arch_aspace_regcache): Update for std::forward_list.
(regcache_thread_ptid_changed): Likewise.
(registers_changed_ptid): Likewise.
(current_regcache_size): Likewise.
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This patch adds a unit test to current_regcache, to make sure it is
correctly updated by get_thread_arch_aspace_regcache and
registers_changed_ptid.
gdb:
2017-05-09 Yao Qi <yao.qi@linaro.org>
* regcache.c [GDB_SELF_TEST]: Include selftest.h.
(current_regcache_size): New function.
(current_regcache_test): New function.
(_initialize_regcache) [GDB_SELF_TEST]: Register the unit test.
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gdb/
* mips-tdep.c (mips_o32_return_value): Remove unused buffer.
(print_gp_register_row): Use get_frame_register_value.
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gdb/
* mips-linux-tdep.c (mips_supply_gregset): Use raw_supply_zeroed.
(mips_supply_fpregset): Likewise.
(mips64_supply_gregset): Likewise.
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gdb/
* mn10300-linux-tdep.c (am33_supply_gregset_method): Use
regcache->raw_supply_zeroed.
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