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Remove TYPE_FIELD_BITPOS, replace its uses with type::field +
field::loc_bitpos.
Change-Id: Iccd8d5a77e5352843a837babaa6bd284162e0320
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Remove TYPE_FIELD_LOC_KIND, replace its uses with type::field +
field::loc_kind.
Change-Id: Ib124a26365df82ac1d23df7962d954192913bd90
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There's a common pattern to call add_basic_prefix_cmd and
add_show_prefix_cmd to add matching set and show commands. Add the
add_setshow_prefix_cmd function to factor that out and use it at a few
places.
Change-Id: I6e9e90a30e9efb7b255bf839cac27b85d7069cfd
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The bug fixed by this [1] patch was caused by an out-of-bounds access to
a value's content. The code gets the value's content (just a pointer)
and then indexes it with a non-sensical index.
This made me think of changing functions that return value contents to
return array_views instead of a plain pointer. This has the advantage
that when GDB is built with _GLIBCXX_DEBUG, accesses to the array_view
are checked, making bugs more apparent / easier to find.
This patch changes the return types of these functions, and updates
callers to call .data() on the result, meaning it's not changing
anything in practice. Additional work will be needed (which can be done
little by little) to make callers propagate the use of array_view and
reap the benefits.
[1] https://sourceware.org/pipermail/gdb-patches/2021-September/182306.html
Change-Id: I5151f888f169e1c36abe2cbc57620110673816f3
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I found an inaccurate comment in riscv_scan_prologue. This commit fixes
it.
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While working on other problems, I encountered situations where GDB
fails to properly unwind the stack because some functions use the C.MV
instruction in the prologue. The prologue scanner stops when it hits
this instruction assuming its job is done at this point. Unfortunately
the prologue is not necessarily finished yet, preventing GDB to properly
unwind.
This commit adds support for handling such instruction in
riscv_scan_prologue.
Note that C.MV is part of the compressed instruction set. The MV
counterpart from the base ISA is a pseudo instruction that expands to
'ADDI RD,RS1,0' which is already supported.
Tested on riscv64-linux-gnu.
All feedback are welcome.
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While working on the testsuite, I ended up noticing that GDB fails to
produce a full backtrace from a thread waiting in pthread_join. When
selecting the waiting thread and using the 'bt' command, the following
result can be observed:
(gdb) bt
#0 0x0000003ff7fccd20 in __futex_abstimed_wait_common64 () from /lib/riscv64-linux-gnu/libpthread.so.0
#1 0x0000003ff7fc43da in __pthread_clockjoin_ex () from /lib/riscv64-linux-gnu/libpthread.so.0
Backtrace stopped: frame did not save the PC
On my platform, I do not have debug symbols for glibc, so I need to rely
on prologue analysis in order to unwind stack.
Here is what the function prologue looks like:
(gdb) disassemble __pthread_clockjoin_ex
Dump of assembler code for function __pthread_clockjoin_ex:
0x0000003ff7fc42de <+0>: addi sp,sp,-144
0x0000003ff7fc42e0 <+2>: sd s5,88(sp)
0x0000003ff7fc42e2 <+4>: auipc s5,0xd
0x0000003ff7fc42e6 <+8>: ld s5,-2(s5) # 0x3ff7fd12e0
0x0000003ff7fc42ea <+12>: ld a5,0(s5)
0x0000003ff7fc42ee <+16>: sd ra,136(sp)
0x0000003ff7fc42f0 <+18>: sd s0,128(sp)
0x0000003ff7fc42f2 <+20>: sd s1,120(sp)
0x0000003ff7fc42f4 <+22>: sd s2,112(sp)
0x0000003ff7fc42f6 <+24>: sd s3,104(sp)
0x0000003ff7fc42f8 <+26>: sd s4,96(sp)
0x0000003ff7fc42fa <+28>: sd s6,80(sp)
0x0000003ff7fc42fc <+30>: sd s7,72(sp)
0x0000003ff7fc42fe <+32>: sd s8,64(sp)
0x0000003ff7fc4300 <+34>: sd s9,56(sp)
0x0000003ff7fc4302 <+36>: sd a5,40(sp)
As far as prologue analysis is concerned, the most interesting part is
done at address 0x0000003ff7fc42ee (<+16>): 'sd ra,136(sp)'. This stores
the RA (return address) register on the stack, which is the information
we are looking for in order to identify the caller.
In the current implementation of the prologue scanner, GDB stops when
hitting 0x0000003ff7fc42e6 (<+8>) because it does not know what to do
with the 'ld' instruction. GDB thinks it reached the end of the
prologue but have not yet reached the important part, which explain
GDB's inability to unwind past this point.
The section of the prologue starting at <+4> until <+12> is used to load
the stack canary[1], which will then be placed on the stack at <+36> at
the end of the prologue.
In order to have the prologue properly handled, this commit proposes to
add support for the ld instruction in the RISC-V prologue scanner.
I guess riscv32 would use lw in such situation so this patch also adds
support for this instruction.
With this patch applied, gdb is now able to unwind past pthread_join:
(gdb) bt
#0 0x0000003ff7fccd20 in __futex_abstimed_wait_common64 () from /lib/riscv64-linux-gnu/libpthread.so.0
#1 0x0000003ff7fc43da in __pthread_clockjoin_ex () from /lib/riscv64-linux-gnu/libpthread.so.0
#2 0x0000002aaaaaa88e in bar() ()
#3 0x0000002aaaaaa8c4 in foo() ()
#4 0x0000002aaaaaa8da in main ()
I have had a look to see if I could reproduce this easily, but in my
simple testcases using '-fstack-protector-all', the canary is loaded
after the RA register is saved. I do not have a reliable way of
generating a prologue similar to the problematic one so I forged one
instead.
The testsuite have been run on riscv64 ubuntu 21.01 with no regression
observed.
[1] https://en.wikipedia.org/wiki/Buffer_overflow_protection#Canaries
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Currently, gdb cannot step outside of a signal handler on RISC-V
platforms. This causes multiple failures in gdb.base/sigstep.exp:
FAIL: gdb.base/sigstep.exp: continue to handler, nothing in handler, step from handler: leave handler (timeout)
FAIL: gdb.base/sigstep.exp: continue to handler, si+advance in handler, step from handler: leave handler (timeout)
FAIL: gdb.base/sigstep.exp: continue to handler, nothing in handler, next from handler: leave handler (timeout)
FAIL: gdb.base/sigstep.exp: continue to handler, si+advance in handler, next from handler: leave handler (timeout)
FAIL: gdb.base/sigstep.exp: stepi from handleri: leave signal trampoline
FAIL: gdb.base/sigstep.exp: nexti from handleri: leave signal trampoline
=== gdb Summary ===
# of expected passes 587
# of unexpected failures 6
This patch adds support for stepping outside of a signal handler on
riscv*-*-linux*.
Implementation is heavily inspired from mips_linux_syscall_next_pc and
surroundings as advised by Pedro Alves.
After this patch, all tests in gdb.base/sigstep.exp pass.
Build and tested on riscv64-linux-gnu.
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I wrote this while debugging a problem where the expected unwinder for a
frame wasn't used. It adds messages to show which unwinders are
considered for a frame, why they are not selected (if an exception is
thrown), and finally which unwinder is selected in the end.
To be able to show a meaningful, human-readable name for the unwinders,
add a "name" field to struct frame_unwind, and update all instances to
include a name.
Here's an example of the output:
[frame] frame_unwind_find_by_frame: this_frame=0
[frame] frame_unwind_try_unwinder: trying unwinder "dummy"
[frame] frame_unwind_try_unwinder: no
[frame] frame_unwind_try_unwinder: trying unwinder "dwarf2 tailcall"
[frame] frame_unwind_try_unwinder: no
[frame] frame_unwind_try_unwinder: trying unwinder "inline"
[frame] frame_unwind_try_unwinder: no
[frame] frame_unwind_try_unwinder: trying unwinder "jit"
[frame] frame_unwind_try_unwinder: no
[frame] frame_unwind_try_unwinder: trying unwinder "python"
[frame] frame_unwind_try_unwinder: no
[frame] frame_unwind_try_unwinder: trying unwinder "amd64 epilogue"
[frame] frame_unwind_try_unwinder: no
[frame] frame_unwind_try_unwinder: trying unwinder "i386 epilogue"
[frame] frame_unwind_try_unwinder: no
[frame] frame_unwind_try_unwinder: trying unwinder "dwarf2"
[frame] frame_unwind_try_unwinder: yes
gdb/ChangeLog:
* frame-unwind.h (struct frame_unwind) <name>: New. Update
instances everywhere to include this field.
* frame-unwind.c (frame_unwind_try_unwinder,
frame_unwind_find_by_frame): Add debug messages.
Change-Id: I813f17777422425f0d08b22499817b23922e8ddb
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This commit adds support to RISC-V GDB for vector registers in the
incoming target description.
The vector registers should be described in a feature called
"org.gnu.gdb.riscv.vector", and should contain the register v0 to
v31. There's no restriction on the size or type of these registers,
so the target description can set these up as it requires.
However, if the target feature is present then all of the registers
must be present, and they must all be the same size, these
requirements are, I believe, inline with the RISC-V vector extension.
The DWARF register numbers for the vector registers have been added,
and the code to map between GDB's internal numbering and the DWARF
numbering has been updated.
I have not yet added a feature/riscv/*.xml file for the vector
extension, the consequence of this is that we can't, right now, detect
vector registers on a native target, this patch is all about
supporting vectors on a remote target.
It is worth noting that I don't actually have access to a RISC-V
target with vectors, so the only testing that this patch has had has
been done using 'set tdesc filename ....' to load a target description
to which I have manually added the vector feature. This has shown
that the vector register feature can be successfully parsed, and that
the registers show up in the expected register groups.
Additionally, the RISC-V vector extension is currently at v0.10, which
is also the v1.0 draft release. However, this extension is not yet
finalised. It is possible (but unlikely I think) that the register
set could change between now and the final release of the vector
extension. If this were to happen then we would potentially end up
changing the requirements for the new org.gnu.gdb.riscv.vector
feature. I really don't think it is likely that the register set will
change this late in the process, and even if it did, changing the
feature requirements will not be a problem as far as I am
concerned (when the alternative is GDB just continues without this
feature for now).
gdb/ChangeLog:
* NEWS: Mention new target feature name.
* arch/riscv.c (riscv_create_target_description): GDB doesn't
currently create target descriptions containing vector registers.
* arch/riscv.h (struct riscv_gdbarch_features) <vlen>: New member
variable.
<operator==>: Also compare vlen.
<hash>: Also include vlen.
* riscv-tdep.c (riscv_feature_name_vector): New static global.
(struct riscv_vector_feature): New struct.
(riscv_vector_feature): New static global.
(riscv_register_reggroup_p): Ensure vector registers are part of
the 'all' group, and part of the 'vector' group.
(riscv_dwarf_reg_to_regnum): Handle vector registers.
(riscv_gdbarch_init): Check vector register feature.
* riscv-tdep.h: Add vector registers to GDB's internal register
numbers, and to the DWARF register numbers.
gdb/doc/ChangeLog:
* gdb.texinfo (RISC-V Features): Mention vector register feature.
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Previously, the prefixname field of struct cmd_list_element was manually
set for prefix commands. This seems verbose and error prone as it
required every single call to functions adding prefix commands to
specify the prefix name while the same information can be easily
generated.
Historically, this was not possible as the prefix field was null for
many commands, but this was fixed in commit
3f4d92ebdf7f848b5ccc9e8d8e8514c64fde1183 by Philippe Waroquiers, so
we can rely on the prefix field being set when generating the prefix
name.
This commit also fixes a use after free in this scenario:
* A command gets created via Python (using the gdb.Command class).
The prefix name member is dynamically allocated.
* An alias to the new command is created. The alias's prefixname is set
to point to the prefixname for the original command with a direct
assignment.
* A new command with the same name as the Python command is created.
* The object for the original Python command gets freed and its
prefixname gets freed as well.
* The alias is updated to point to the new command, but its prefixname
is not updated so it keeps pointing to the freed one.
gdb/ChangeLog:
* command.h (add_prefix_cmd): Remove the prefixname argument as
it can now be generated automatically. Update all callers.
(add_basic_prefix_cmd): Ditto.
(add_show_prefix_cmd): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_abbrev_prefix_cmd): Ditto.
* cli/cli-decode.c (add_prefix_cmd): Ditto.
(add_basic_prefix_cmd): Ditto.
(add_show_prefix_cmd): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_abbrev_prefix_cmd): Ditto.
* cli/cli-decode.h (struct cmd_list_element): Replace the
prefixname member variable with a method which generates the
prefix name at runtime. Update all code reading the prefix
name to use the method, and remove all code setting it.
* python/py-cmd.c (cmdpy_destroyer): Remove code to free the
prefixname member as it's now a method.
(cmdpy_function): Determine if the command is a prefix by
looking at prefixlist, not prefixname.
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To allow breakpoints to be created at invalid addresses,
target_read_code is used instead of read_code. This was fixed in
commit:
commit c01660c625766e848195285cc20581b9ed7ecfe2
Date: Wed Apr 17 00:31:43 2019 +0100
gdb/riscv: Allow breakpoints to be created at invalid addresses
Unfortunately, the call to read_code was left in by mistake. The
result is that GDB will fail when trying to create the breakpoint,
rather than when trying to install the breakpoint (as is the case with
other targets).
This commit fixes this mistake and removes the offending call to
read_code.
gdb/ChangeLog:
* riscv-tdep.c (riscv_breakpoint_kind_from_pc): Remove call to
read_code.
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A later commit will need the names of the RISC-V target description
features in files other than riscv-tdep.c. This commit just makes the
names global strings that can be accessed from other riscv-*.c files.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* riscv-tdep.c (riscv_feature_name_csr): Define.
(riscv_feature_name_cpu): Define.
(riscv_feature_name_fpu): Define.
(riscv_feature_name_virtual): Define.
(riscv_xreg_feature): Use riscv_feature_name_cpu.
(riscv_freg_feature): Use riscv_feature_name_fpu.
(riscv_virtual_feature): Use riscv_feature_name_virtual.
(riscv_csr_feature): Use riscv_feature_name_csr.
* riscv-tdep.h (riscv_feature_name_csr): Declare.
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GDB for RISC-V always uses target descriptions. When the target
doesn't provide a target description then a default is selected.
Usually this default is selected based on the properties of the
executable being debugged. However, when there is no executable being
debugged we currently fallback to the riscv:rv64 target description as
the default. This leads to strange behaviour like this:
$ gdb
(gdb) set architecture riscv:rv32
(gdb) p sizeof ($pc)
$1 = 8
Despite the users specifically setting the architecture to riscv:rv32
GDB still thinks that the target has riscv:rv64 register sizes.
The above is a bit of a contrived situation. I actually ran into this
situation while trying to connect to a running riscv:rv32 target
without supplying an executable (the target didn't provide a target
description). When I tried to set a register on the target I ran into
errors because GDB was passing 8 bytes to the target rather than the
expected 4. Even when I manually specified the architecture (as
above) I couldn't convince GDB to only send 4 bytes.
This patch fixes this issue. Now, when we selected a default target
description we will make use of the user selected architecture to
guide our choice. In the above example we now get:
$ gdb
(gdb) set architecture riscv:rv32
(gdb) p sizeof ($pc)
$1 = 4
And my real world example of connecting to a remote without an
executable works fine.
I've used the fact that we can ask GDB about $pc even when no
executable is loaded as the basis for a test to cover this situation.
gdb/ChangeLog:
* riscv-tdep.c (riscv_features_from_gdbarch_info): Rename to...
(riscv_features_from_bfd): ...this. Change parameter type to
'bfd*', and update as required.
(riscv_find_default_target_description): Update call to
riscv_features_from_bfd. Select a default xlen based on
info.bfd_arch_info.
(riscv_gdbarch_init): Update call to riscv_features_from_bfd.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-default-tdesc.exp: New file.
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* Renamed obsolete UJ/SB types and RVC types, also added CSS/CL(CS) types,
[VALID/EXTRACT/ENCODE macros]
BTYPE_IMM: Renamed from SBTYPE_IMM.
JTYPE_IMM: Renamed from UJTYPE_IMM.
CITYPE_IMM: Renamed from RVC_IMM.
CITYPE_LUI_IMM: Renamed from RVC_LUI_IMM.
CITYPE_ADDI16SP_IMM: Renamed from RVC_ADDI16SP_IMM.
CITYPE_LWSP_IMM: Renamed from RVC_LWSP_IMM.
CITYPE_LDSP_IMM: Renamed from RVC_LDSP_IMM.
CIWTYPE_IMM: Renamed from RVC_UIMM8.
CIWTYPE_ADDI4SPN_IMM: Renamed from RVC_ADDI4SPN_IMM.
CSSTYPE_IMM: Added for .insn without special encoding.
CSSTYPE_SWSP_IMM: Renamed from RVC_SWSP_IMM.
CSSTYPE_SDSP_IMM: Renamed from RVC_SDSP_IMM.
CLTYPE_IMM: Added for .insn without special encoding.
CLTYPE_LW_IMM: Renamed from RVC_LW_IMM.
CLTYPE_LD_IMM: Renamed from RVC_LD_IMM.
RVC_SIMM3: Unused and removed.
CBTYPE_IMM: Renamed from RVC_B_IMM.
CJTYPE_IMM: Renamed from RVC_J_IMM.
* Added new operands and removed the unused ones,
C5: Unsigned CL(CS) immediate, added for .insn directive.
C6: Unsigned CSS immediate, added for .insn directive.
Ci: Unused and removed.
C<: Unused and removed.
bfd/
PR 27158
* elfnn-riscv.c (perform_relocation): Updated encoding macros.
(_bfd_riscv_relax_call): Likewise.
(_bfd_riscv_relax_lui): Likewise.
* elfxx-riscv.c (howto_table): Likewise.
gas/
PR 27158
* config/tc-riscv.c (riscv_ip): Updated encoding macros.
(md_apply_fix): Likewise.
(md_convert_frag_branch): Likewise.
(validate_riscv_insn): Likewise. Also arranged operands, including
added C5 and C6 operands, and removed unused Ci and C< operands.
* doc/c-riscv.texi: Updated and added CSS/CL/CS types.
* testsuite/gas/riscv/insn.d: Added CSS/CL/CS instructions.
* testsuite/gas/riscv/insn.s: Likewise.
gdb/
PR 27158
* riscv-tdep.c (decode_ci_type_insn): Updated encoding macros.
(decode_j_type_insn): Likewise.
(decode_cj_type_insn): Likewise.
(decode_b_type_insn): Likewise.
(decode): Likewise.
include/
PR 27158
* opcode/riscv.h: Updated encoding macros.
opcodes/
PR 27158
* riscv-dis.c (print_insn_args): Updated encoding macros.
* riscv-opc.c (MASK_RVC_IMM): defined to ENCODE_CITYPE_IMM.
(match_c_addi16sp): Updated encoding macros.
(match_c_lui): Likewise.
(match_c_lui_with_hint): Likewise.
(match_c_addi4spn): Likewise.
(match_c_slli): Likewise.
(match_slli_as_c_slli): Likewise.
(match_c_slli64): Likewise.
(match_srxi_as_c_srxi): Likewise.
(riscv_insn_types): Added .insn css/cl/cs.
sim/
PR 27158
* riscv/sim-main.c (execute_i): Updated encoding macros.
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With the new member functions for struct trad_frame_saved_reg, there is no
need to invoke some of the set/get functions anymore. This patch removes
those and adjusts all callers.
Even though the most natural initial state of a saved register value is
UNKNOWN, there are target backends relying on the previous initial state
of REALREG set to a register's own number. I noticed this in at least a
couple targets: aarch64 and riscv.
Because of that, I decided to keep the reset function that sets the set of
register values to REALREG. I can't exercise all the targets to make sure
the initial state change won't break things, hence why it is risky to change
the default.
Validated with --enable-targets=all on aarch64-linux Ubuntu 18.04/20.04.
gdb/ChangeLog
2021-01-19 Luis Machado <luis.machado@linaro.org>
* trad-frame.h (trad_frame_saved_reg) <set_value_bytes>: Allocate
memory and save data.
(trad_frame_set_value, trad_frame_set_realreg, trad_frame_set_addr)
(trad_frame_set_unknown, trad_frame_set_value_bytes)
(trad_frame_value_p, trad_frame_addr_p, trad_frame_realreg_p)
(trad_frame_value_bytes_p): Remove.
(trad_frame_reset_saved_regs): Adjust documentation.
* trad-frame.c (trad_frame_alloc_saved_regs): Initialize via a
constructor and reset the state of the registers.
(trad_frame_value_p, trad_frame_addr_p, trad_frame_realreg_p)
(trad_frame_value_bytes_p, trad_frame_set_value)
(trad_frame_set_realreg, trad_frame_set_addr)
(trad_frame_set_unknown, trad_frame_set_value_bytes): Remove.
(trad_frame_set_reg_realreg): Update to call member function.
(trad_frame_set_reg_addr, trad_frame_set_reg_value_bytes): Likewise.
(trad_frame_get_prev_register): Likewise.
* aarch64-tdep.c (aarch64_analyze_prologue)
(aarch64_analyze_prologue_test, aarch64_make_prologue_cache_1)
(aarch64_prologue_prev_register): Update to use member functions.
* alpha-mdebug-tdep.c (alpha_mdebug_frame_unwind_cache): Likewise.
* alpha-tdep.c (alpha_heuristic_frame_unwind_cache): Likewise.
* arc-tdep.c (arc_print_frame_cache, arc_make_frame_cache): Likewise.
* arm-tdep.c (arm_make_prologue_cache, arm_exidx_fill_cache)
(arm_make_epilogue_frame_cache): Likewise.
* avr-tdep.c (avr_frame_unwind_cache)
(avr_frame_prev_register): Likewise.
* cris-tdep.c (cris_scan_prologue): Likewise.
* csky-tdep.c (csky_frame_unwind_cache): Likewise.
* frv-tdep.c (frv_analyze_prologue): Likewise.
* hppa-tdep.c (hppa_frame_cache, hppa_fallback_frame_cache): Likewise.
* lm32-tdep.c (lm32_frame_cache): Likewise.
* m32r-tdep.c (m32r_frame_unwind_cache): Likewise.
* m68hc11-tdep.c (m68hc11_frame_unwind_cache): Likewise.
* mips-tdep.c (set_reg_offset, mips_insn16_frame_cache)
(mips_micro_frame_cache, mips_insn32_frame_cache): Likewise.
(reset_saved_regs): Adjust to set realreg.
* riscv-tdep.c (riscv_scan_prologue, riscv_frame_cache): Adjust to
call member functions.
* rs6000-tdep.c (rs6000_frame_cache, rs6000_epilogue_frame_cache)
* s390-tdep.c (s390_prologue_frame_unwind_cache)
(s390_backchain_frame_unwind_cache): Likewise.
* score-tdep.c (score7_analyze_prologue)
(score3_analyze_prologue, score_make_prologue_cache): Likewise.
* sparc-netbsd-tdep.c (sparc32nbsd_sigcontext_saved_regs): Likewise.
* sparc-sol2-tdep.c (sparc32_sol2_sigtramp_frame_cache): Likewise.
* sparc64-netbsd-tdep.c (sparc64nbsd_sigcontext_saved_regs): Likewise.
* sparc64-sol2-tdep.c (sparc64_sol2_sigtramp_frame_cache): Likewise.
* tilegx-tdep.c (tilegx_analyze_prologue)
(tilegx_frame_cache): Likewise.
* v850-tdep.c (v850_frame_cache): Likewise.
* vax-tdep.c (vax_frame_cache): Likewise.
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The RISC-V x0 register is hard-coded to zero. As such neither Linux
or FreeBSD supply the value of the register x0 in their core dump
files.
For FreeBSD we take care of this by manually supplying the value of x0
in riscv_fbsd_supply_gregset, however we don't do this for Linux. As
a result after loading a core file on Linux we see this behaviour:
(gdb) p $x0
$1 = <unavailable>
In this commit I make riscv_fbsd_supply_gregset a common function that
can be shared between RISC-V for FreeBSD and Linux, this resolves the
above issue.
There is a similar problem for the two registers `fflags` and `frm`.
These two floating point related CSRs are a little weird. They are
separate CSRs in the RISC-V specification, but are actually sub-fields
of the `fcsr` CSR.
As a result neither Linux or FreeBSD supply the `fflags` or `frm`
registers as separate fields in their core dumps, and so, after
restoring a core dump these register are similarly unavailable.
In this commit I supply `fflags` and `frm` by first asking for the
value of `fcsr`, extracting the two fields, and using these to supply
the values for `fflags` and `frm`.
gdb/ChangeLog:
* riscv-fbsd-tdep.c (riscv_fbsd_supply_gregset): Delete.
(riscv_fbsd_gregset): Use riscv_supply_regset.
(riscv_fbsd_fpregset): Likewise.
* riscv-linux-tdep.c (riscv_linux_gregset): Likewise.
(riscv_linux_fregset): Likewise.
* riscv-tdep.c (riscv_supply_regset): Define new function.
* riscv-tdep.h (riscv_supply_regset): Declare new function.
|
|
The following patch drops the overloading going on with the trad_frame_saved_reg
struct and defines a new struct with a KIND enum and a union of different
fields.
The new struct looks like this:
struct trad_frame_saved_reg
{
setters/getters
...
private:
trad_frame_saved_reg_kind m_kind;
union {
LONGEST value;
int realreg;
LONGEST addr;
const gdb_byte *value_bytes;
} m_reg;
};
And the enums look like this:
/* Describes the kind of encoding a stored register has. */
enum class trad_frame_saved_reg_kind
{
/* Register value is unknown. */
UNKNOWN = 0,
/* Register value is a constant. */
VALUE,
/* Register value is in another register. */
REALREG,
/* Register value is at an address. */
ADDR,
/* Register value is a sequence of bytes. */
VALUE_BYTES
};
The patch also adds setters/getters and updates all the users of the old
struct.
It is worth mentioning that due to the previous overloaded nature of the
fields, some tdep files like to store negative offsets and indexes in the ADDR
field, so I kept the ADDR as LONGEST instead of CORE_ADDR. Those cases may
be better supported by a new enum entry.
I have not addressed those cases in this patch to prevent unwanted breakage,
given I have no way to test some of the targets. But it would be nice to
clean those up eventually.
The change to frame-unwind.* is to constify the parameter being passed to the
unwinding functions, given we now accept a "const gdb_byte *" for value bytes.
Tested on aarch64-linux/Ubuntu 20.04/18.04 and by building GDB with
--enable-targets=all.
gdb/ChangeLog:
2021-01-04 Luis Machado <luis.machado@linaro.org>
Update all users of trad_frame_saved_reg to use the new member
functions.
Remote all struct keywords from declarations of trad_frame_saved_reg
types, except on forward declarations.
* aarch64-tdep.c: Update.
* alpha-mdebug-tdep.c: Update.
* alpha-tdep.c: Update.
* arc-tdep.c: Update.
* arm-tdep.c: Update.
* avr-tdep.c: Update.
* cris-tdep.c: Update.
* csky-tdep.c: Update.
* frv-tdep.c: Update.
* hppa-linux-tdep.c: Update.
* hppa-tdep.c: Update.
* hppa-tdep.h: Update.
* lm32-tdep.c: Update.
* m32r-linux-tdep.c: Update.
* m32r-tdep.c: Update.
* m68hc11-tdep.c: Update.
* mips-tdep.c: Update.
* moxie-tdep.c: Update.
* riscv-tdep.c: Update.
* rs6000-tdep.c: Update.
* s390-linux-tdep.c: Update.
* s390-tdep.c: Update.
* score-tdep.c: Update.
* sparc-netbsd-tdep.c: Update.
* sparc-sol2-tdep.c: Update.
* sparc64-fbsd-tdep.c: Update.
* sparc64-netbsd-tdep.c: Update.
* sparc64-obsd-tdep.c: Update.
* sparc64-sol2-tdep.c: Update.
* tilegx-tdep.c: Update.
* v850-tdep.c: Update.
* vax-tdep.c: Update.
* frame-unwind.c (frame_unwind_got_bytes): Make parameter const.
* frame-unwind.h (frame_unwind_got_bytes): Likewise.
* trad-frame.c: Update.
Remove TF_REG_* enum.
(trad_frame_alloc_saved_regs): Add a static assertion to check for
a trivially-constructible struct.
(trad_frame_reset_saved_regs): Adjust to use member function.
(trad_frame_value_p): Likewise.
(trad_frame_addr_p): Likewise.
(trad_frame_realreg_p): Likewise.
(trad_frame_value_bytes_p): Likewise.
(trad_frame_set_value): Likewise.
(trad_frame_set_realreg): Likewise.
(trad_frame_set_addr): Likewise.
(trad_frame_set_unknown): Likewise.
(trad_frame_set_value_bytes): Likewise.
(trad_frame_get_prev_register): Likewise.
* trad-frame.h: Update.
(trad_frame_saved_reg_kind): New enum.
(struct trad_frame_saved_reg) <addr, realreg, data>: Remove.
<m_kind, m_reg>: New member fields.
<set_value, set_realreg, set_addr, set_unknown, set_value_bytes>
<kind, value, realreg, addr, value_bytes, is_value, is_realreg>
<is_addr, is_unknown, is_value_bytes>: New member functions.
|
|
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
|
|
This commit started as adding rv32e support to gdb. The rv32e
architecture is a cut-down rv32i, it only has 16 x-registers compared
to the usual 32, and an rv32e target should not have any floating
point registers.
In order to add this I needed to adjust the target description
validation checks that are performed from riscv_gdbarch_init, and I
finally got fed up with the current scheme of doing these checks and
rewrote this code.
Unfortunately the rv32e changes are currently mixed in with the
rewrite of the validation scheme. I could split these apart if anyone
is really interested in seeing these two ideas as separate patches.
The main idea behind this change is that where previously I tried to
have a purely data driven approach, a set of tables one for each
expected feature, and then a single generic function that would
validate a feature given a table, I have created a new class for each
feature. Each class has its own check member function which allows
the logic for how to check each feature to be different. I think the
new scheme is much easier to follow.
There are some other changes that I made to the validation code as
part of this commit.
I've relaxed some of the checks related to the floating point CSRs.
Previously the 3 CSRs fflags, frm, and fcsr all had to be present in
either the fpu feature or the csr feature. This requirement is now
relaxed, if the CSRs are not present then gdb will not reject the
target description. My thinking here is that there's no gdb
functionality that specifically requires these registers, and so, if a
target offers a description without these registers nothing else in
gdb should stop working.
And as part of the rv32e support targets now only have to provide the
first 16 x-registers and $pc. The second half of the x-registers (x16
-> x31) are now optional.
gdb/ChangeLog:
* arch/riscv.c: Include 'rv32e-xregs.c'.
(riscv_create_target_description): Update to handle rv32e.
* arch/riscv.h (struct riscv_gdbarch_features) <embedded>: New
member variable.
<operator==>: Update to account for new field.
<hash>: Likewise.
* features/Makefile (FEATURE_XMLFILES): Add riscv/rv32e-xregs.xml.
* features/riscv/rv32e-xregs.c: Generated.
* features/riscv/rv32e-xregs.xml: New file.
* riscv-tdep.c (riscv_debug_breakpoints): Move from later in the
file.
(riscv_debug_infcall): Likewise.
(riscv_debug_unwinder): Likewise.
(riscv_debug_gdbarch): Likewise.
(enum riscv_register_required_status): Delete.
(struct riscv_register_feature): Add constructor, delete default
constructor, copy, and assign constructors.
(struct riscv_register_feature::register_info) <required>: Delete.
<check>: Update comment and arguments.
(struct riscv_register_feature) <name>: Change to member function.
<prefer_first_name>: Delete.
<tdesc_feature>: New member function.
<registers>: Rename to...
<m_registers>: ...this.
<m_feature_name>: New member variable.
(riscv_register_feature::register_info::check): Update arguments.
(riscv_xreg_feature): Rewrite as class, create a single static
instance of the class.
(riscv_freg_feature): Likewise.
(riscv_virtual_feature): Likewise.
(riscv_csr_feature): Likewise.
(riscv_create_csr_aliases): Has become a member function inside
riscv_csr_feature class.
(riscv_abi_embedded): New function definition.
(riscv_register_name): Adjust to use new feature objects.
(struct riscv_call_info) <riscv_call_info>: Check for rv32e abi,
and adjust available argument registers.
(riscv_features_from_gdbarch_info): Check for EF_RISCV_RVE flag.
(riscv_check_tdesc_feature): Delete.
(riscv_tdesc_unknown_reg): Adjust to use new feature objects.
(riscv_gdbarch_init): Delete target description checking code, and
instead call to the new feature objects to perform the checks.
Reorder handling of no abi information case, allows small code
simplification.
(_initialize_riscv_tdep): Remove call, this is now done in the
riscv_csr_feature constructor.
* riscv-tdep.h (riscv_abi_embedded): Declare.
|
|
In this commit:
commit 767a879e31ce31179e6135c2f991f670a35709fa
Date: Tue Jun 9 17:38:30 2020 +0100
gdb/riscv: Improved register alias name creation
RISC-V GDB was changed to make use of the DECLARE_CSR_ALIAS macro to
define register aliases for some CSRs. Actually, only one alias was
created 'dscratch' as an alias for 'dscratch0'. All of the other
DECLARE_CSR_ALIAS lines (from include/opcode/riscv-opc.h) were
filtered out.
In this commit:
commit 08ccfccf0ed825be9be2972594d4be4a2207ef13
Date: Mon Jun 8 10:54:53 2020 +0800
RISC-V: Support debug and float CSR as the unprivileged ones.
Changes were made to include/opcode/riscv-opc.h so that GDB no longer
created even the dscratch alias.
This caused a test failure in gdb.arch/riscv-tdesc-regs.exp.
In looking at how to address this failure I think that the best
strategy is, for now at least, to just remove the code that tries to
create aliases with DECLARE_CSR_ALIAS.
My thoughts are that:
1. At least some of the aliases are for CSRs where the register now
has a completely different use. Being able to reference the CSR
using a completely inappropriate name just seems confusing. This
was solved by the filtering added in the first commit referenced
above. But we certainly don't want to blindly add all aliases.
2. Names presented in a target description are always honoured, so
if a user has a legacy target then they should just start sending a
target description with their legacy register names in, this problem
is then solved.
3. It's easy enough to figure out which CSRs a target has with the
info registers command, so missing an alias shouldn't be a big
issue.
4. Allowing users to use names for registers that differ from the
names the target announces doesn't feel like a critical feature. If
in the future targets want multiple names for a register then maybe
we could/should extend target descriptions to allow the target to
send aliases as well as the primary name.... but that can wait for
another day.
So in this commit I remove the use of DECLARE_CSR_ALIAS, and remove
the test that was failing.
gdb/ChangeLog:
* riscv-tdep.c (riscv_create_csr_aliases): Remove use of
DECLARE_CSR_ALIAS.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-tdesc-regs.exp: Remove unwanted test.
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Unknown riscv CSRs should not be in the 'general' group, but should be
in the system and csr register groups.
To see this in action connect to QEMU, this target advertises two
registers dscratch and mucounteren which are unknown to GDB (these are
legacy CSRs). Before this commit these registers would show up in the
output of:
(gdb) info registers
....
dscratch Could not fetch register "dscratch"; remote failure reply 'E14'
mucounteren Could not fetch register "mucounteren"; remote failure reply 'E14'
Ignore the errors, this is just a QEMU annoyance, it advertises these
CSRs, but doesn't actually let GDB read them. These registers don't
show up in the output of either:
(gdb) info registers csr
(gdb) info registers system
After this commit this situation is reveresed, which makes more sense
to me.
gdb/ChangeLog:
* riscv-tdep.c (riscv_is_unknown_csr): New function,
implementation moved from riscv_register_reggroup_p.
(riscv_register_reggroup_p): Update group handling for unknown
CSRs.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-tdesc-regs.exp (get_expected_result): New proc,
update test to use this.
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Extends riscv_dwarf_reg_to_regnum to add the ability to convert the
DWARF register numbers for CSRs into GDB's internal numbers.
gdb/ChangeLog:
* riscv-tdep.c (riscv_dwarf_reg_to_regnum): Decode DWARF CSR
numbers.
* riscv-tdep.h (RISCV_DWARF_FIRST_CSR, RISCV_DWARF_LAST_CSR): New
enum values.
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Many spots incorrectly use only spaces for indentation (for example,
there are a lot of spots in ada-lang.c). I've always found it awkward
when I needed to edit one of these spots: do I keep the original wrong
indentation, or do I fix it? What if the lines around it are also
wrong, do I fix them too? I probably don't want to fix them in the same
patch, to avoid adding noise to my patch.
So I propose to fix as much as possible once and for all (hopefully).
One typical counter argument for this is that it makes code archeology
more difficult, because git-blame will show this commit as the last
change for these lines. My counter counter argument is: when
git-blaming, you often need to do "blame the file at the parent commit"
anyway, to go past some other refactor that touched the line you are
interested in, but is not the change you are looking for. So you
already need a somewhat efficient way to do this.
Using some interactive tool, rather than plain git-blame, makes this
trivial. For example, I use "tig blame <file>", where going back past
the commit that changed the currently selected line is one keystroke.
It looks like Magit in Emacs does it too (though I've never used it).
Web viewers of Github and Gitlab do it too. My point is that it won't
really make archeology more difficult.
The other typical counter argument is that it will cause conflicts with
existing patches. That's true... but it's a one time cost, and those
are not conflicts that are difficult to resolve. I have also tried "git
rebase --ignore-whitespace", it seems to work well. Although that will
re-introduce the faulty indentation, so one needs to take care of fixing
the indentation in the patch after that (which is easy).
gdb/ChangeLog:
* aarch64-linux-tdep.c: Fix indentation.
* aarch64-ravenscar-thread.c: Fix indentation.
* aarch64-tdep.c: Fix indentation.
* aarch64-tdep.h: Fix indentation.
* ada-lang.c: Fix indentation.
* ada-lang.h: Fix indentation.
* ada-tasks.c: Fix indentation.
* ada-typeprint.c: Fix indentation.
* ada-valprint.c: Fix indentation.
* ada-varobj.c: Fix indentation.
* addrmap.c: Fix indentation.
* addrmap.h: Fix indentation.
* agent.c: Fix indentation.
* aix-thread.c: Fix indentation.
* alpha-bsd-nat.c: Fix indentation.
* alpha-linux-tdep.c: Fix indentation.
* alpha-mdebug-tdep.c: Fix indentation.
* alpha-nbsd-tdep.c: Fix indentation.
* alpha-obsd-tdep.c: Fix indentation.
* alpha-tdep.c: Fix indentation.
* amd64-bsd-nat.c: Fix indentation.
* amd64-darwin-tdep.c: Fix indentation.
* amd64-linux-nat.c: Fix indentation.
* amd64-linux-tdep.c: Fix indentation.
* amd64-nat.c: Fix indentation.
* amd64-obsd-tdep.c: Fix indentation.
* amd64-tdep.c: Fix indentation.
* amd64-windows-tdep.c: Fix indentation.
* annotate.c: Fix indentation.
* arc-tdep.c: Fix indentation.
* arch-utils.c: Fix indentation.
* arch/arm-get-next-pcs.c: Fix indentation.
* arch/arm.c: Fix indentation.
* arm-linux-nat.c: Fix indentation.
* arm-linux-tdep.c: Fix indentation.
* arm-nbsd-tdep.c: Fix indentation.
* arm-pikeos-tdep.c: Fix indentation.
* arm-tdep.c: Fix indentation.
* arm-tdep.h: Fix indentation.
* arm-wince-tdep.c: Fix indentation.
* auto-load.c: Fix indentation.
* auxv.c: Fix indentation.
* avr-tdep.c: Fix indentation.
* ax-gdb.c: Fix indentation.
* ax-general.c: Fix indentation.
* bfin-linux-tdep.c: Fix indentation.
* block.c: Fix indentation.
* block.h: Fix indentation.
* blockframe.c: Fix indentation.
* bpf-tdep.c: Fix indentation.
* break-catch-sig.c: Fix indentation.
* break-catch-syscall.c: Fix indentation.
* break-catch-throw.c: Fix indentation.
* breakpoint.c: Fix indentation.
* breakpoint.h: Fix indentation.
* bsd-uthread.c: Fix indentation.
* btrace.c: Fix indentation.
* build-id.c: Fix indentation.
* buildsym-legacy.h: Fix indentation.
* buildsym.c: Fix indentation.
* c-typeprint.c: Fix indentation.
* c-valprint.c: Fix indentation.
* c-varobj.c: Fix indentation.
* charset.c: Fix indentation.
* cli/cli-cmds.c: Fix indentation.
* cli/cli-decode.c: Fix indentation.
* cli/cli-decode.h: Fix indentation.
* cli/cli-script.c: Fix indentation.
* cli/cli-setshow.c: Fix indentation.
* coff-pe-read.c: Fix indentation.
* coffread.c: Fix indentation.
* compile/compile-cplus-types.c: Fix indentation.
* compile/compile-object-load.c: Fix indentation.
* compile/compile-object-run.c: Fix indentation.
* completer.c: Fix indentation.
* corefile.c: Fix indentation.
* corelow.c: Fix indentation.
* cp-abi.h: Fix indentation.
* cp-namespace.c: Fix indentation.
* cp-support.c: Fix indentation.
* cp-valprint.c: Fix indentation.
* cris-linux-tdep.c: Fix indentation.
* cris-tdep.c: Fix indentation.
* darwin-nat-info.c: Fix indentation.
* darwin-nat.c: Fix indentation.
* darwin-nat.h: Fix indentation.
* dbxread.c: Fix indentation.
* dcache.c: Fix indentation.
* disasm.c: Fix indentation.
* dtrace-probe.c: Fix indentation.
* dwarf2/abbrev.c: Fix indentation.
* dwarf2/attribute.c: Fix indentation.
* dwarf2/expr.c: Fix indentation.
* dwarf2/frame.c: Fix indentation.
* dwarf2/index-cache.c: Fix indentation.
* dwarf2/index-write.c: Fix indentation.
* dwarf2/line-header.c: Fix indentation.
* dwarf2/loc.c: Fix indentation.
* dwarf2/macro.c: Fix indentation.
* dwarf2/read.c: Fix indentation.
* dwarf2/read.h: Fix indentation.
* elfread.c: Fix indentation.
* eval.c: Fix indentation.
* event-top.c: Fix indentation.
* exec.c: Fix indentation.
* exec.h: Fix indentation.
* expprint.c: Fix indentation.
* f-lang.c: Fix indentation.
* f-typeprint.c: Fix indentation.
* f-valprint.c: Fix indentation.
* fbsd-nat.c: Fix indentation.
* fbsd-tdep.c: Fix indentation.
* findvar.c: Fix indentation.
* fork-child.c: Fix indentation.
* frame-unwind.c: Fix indentation.
* frame-unwind.h: Fix indentation.
* frame.c: Fix indentation.
* frv-linux-tdep.c: Fix indentation.
* frv-tdep.c: Fix indentation.
* frv-tdep.h: Fix indentation.
* ft32-tdep.c: Fix indentation.
* gcore.c: Fix indentation.
* gdb_bfd.c: Fix indentation.
* gdbarch.sh: Fix indentation.
* gdbarch.c: Re-generate
* gdbarch.h: Re-generate.
* gdbcore.h: Fix indentation.
* gdbthread.h: Fix indentation.
* gdbtypes.c: Fix indentation.
* gdbtypes.h: Fix indentation.
* glibc-tdep.c: Fix indentation.
* gnu-nat.c: Fix indentation.
* gnu-nat.h: Fix indentation.
* gnu-v2-abi.c: Fix indentation.
* gnu-v3-abi.c: Fix indentation.
* go32-nat.c: Fix indentation.
* guile/guile-internal.h: Fix indentation.
* guile/scm-cmd.c: Fix indentation.
* guile/scm-frame.c: Fix indentation.
* guile/scm-iterator.c: Fix indentation.
* guile/scm-math.c: Fix indentation.
* guile/scm-ports.c: Fix indentation.
* guile/scm-pretty-print.c: Fix indentation.
* guile/scm-value.c: Fix indentation.
* h8300-tdep.c: Fix indentation.
* hppa-linux-nat.c: Fix indentation.
* hppa-linux-tdep.c: Fix indentation.
* hppa-nbsd-nat.c: Fix indentation.
* hppa-nbsd-tdep.c: Fix indentation.
* hppa-obsd-nat.c: Fix indentation.
* hppa-tdep.c: Fix indentation.
* hppa-tdep.h: Fix indentation.
* i386-bsd-nat.c: Fix indentation.
* i386-darwin-nat.c: Fix indentation.
* i386-darwin-tdep.c: Fix indentation.
* i386-dicos-tdep.c: Fix indentation.
* i386-gnu-nat.c: Fix indentation.
* i386-linux-nat.c: Fix indentation.
* i386-linux-tdep.c: Fix indentation.
* i386-nto-tdep.c: Fix indentation.
* i386-obsd-tdep.c: Fix indentation.
* i386-sol2-nat.c: Fix indentation.
* i386-tdep.c: Fix indentation.
* i386-tdep.h: Fix indentation.
* i386-windows-tdep.c: Fix indentation.
* i387-tdep.c: Fix indentation.
* i387-tdep.h: Fix indentation.
* ia64-libunwind-tdep.c: Fix indentation.
* ia64-libunwind-tdep.h: Fix indentation.
* ia64-linux-nat.c: Fix indentation.
* ia64-linux-tdep.c: Fix indentation.
* ia64-tdep.c: Fix indentation.
* ia64-tdep.h: Fix indentation.
* ia64-vms-tdep.c: Fix indentation.
* infcall.c: Fix indentation.
* infcmd.c: Fix indentation.
* inferior.c: Fix indentation.
* infrun.c: Fix indentation.
* iq2000-tdep.c: Fix indentation.
* language.c: Fix indentation.
* linespec.c: Fix indentation.
* linux-fork.c: Fix indentation.
* linux-nat.c: Fix indentation.
* linux-tdep.c: Fix indentation.
* linux-thread-db.c: Fix indentation.
* lm32-tdep.c: Fix indentation.
* m2-lang.c: Fix indentation.
* m2-typeprint.c: Fix indentation.
* m2-valprint.c: Fix indentation.
* m32c-tdep.c: Fix indentation.
* m32r-linux-tdep.c: Fix indentation.
* m32r-tdep.c: Fix indentation.
* m68hc11-tdep.c: Fix indentation.
* m68k-bsd-nat.c: Fix indentation.
* m68k-linux-nat.c: Fix indentation.
* m68k-linux-tdep.c: Fix indentation.
* m68k-tdep.c: Fix indentation.
* machoread.c: Fix indentation.
* macrocmd.c: Fix indentation.
* macroexp.c: Fix indentation.
* macroscope.c: Fix indentation.
* macrotab.c: Fix indentation.
* macrotab.h: Fix indentation.
* main.c: Fix indentation.
* mdebugread.c: Fix indentation.
* mep-tdep.c: Fix indentation.
* mi/mi-cmd-catch.c: Fix indentation.
* mi/mi-cmd-disas.c: Fix indentation.
* mi/mi-cmd-env.c: Fix indentation.
* mi/mi-cmd-stack.c: Fix indentation.
* mi/mi-cmd-var.c: Fix indentation.
* mi/mi-cmds.c: Fix indentation.
* mi/mi-main.c: Fix indentation.
* mi/mi-parse.c: Fix indentation.
* microblaze-tdep.c: Fix indentation.
* minidebug.c: Fix indentation.
* minsyms.c: Fix indentation.
* mips-linux-nat.c: Fix indentation.
* mips-linux-tdep.c: Fix indentation.
* mips-nbsd-tdep.c: Fix indentation.
* mips-tdep.c: Fix indentation.
* mn10300-linux-tdep.c: Fix indentation.
* mn10300-tdep.c: Fix indentation.
* moxie-tdep.c: Fix indentation.
* msp430-tdep.c: Fix indentation.
* namespace.h: Fix indentation.
* nat/fork-inferior.c: Fix indentation.
* nat/gdb_ptrace.h: Fix indentation.
* nat/linux-namespaces.c: Fix indentation.
* nat/linux-osdata.c: Fix indentation.
* nat/netbsd-nat.c: Fix indentation.
* nat/x86-dregs.c: Fix indentation.
* nbsd-nat.c: Fix indentation.
* nbsd-tdep.c: Fix indentation.
* nios2-linux-tdep.c: Fix indentation.
* nios2-tdep.c: Fix indentation.
* nto-procfs.c: Fix indentation.
* nto-tdep.c: Fix indentation.
* objfiles.c: Fix indentation.
* objfiles.h: Fix indentation.
* opencl-lang.c: Fix indentation.
* or1k-tdep.c: Fix indentation.
* osabi.c: Fix indentation.
* osabi.h: Fix indentation.
* osdata.c: Fix indentation.
* p-lang.c: Fix indentation.
* p-typeprint.c: Fix indentation.
* p-valprint.c: Fix indentation.
* parse.c: Fix indentation.
* ppc-linux-nat.c: Fix indentation.
* ppc-linux-tdep.c: Fix indentation.
* ppc-nbsd-nat.c: Fix indentation.
* ppc-nbsd-tdep.c: Fix indentation.
* ppc-obsd-nat.c: Fix indentation.
* ppc-ravenscar-thread.c: Fix indentation.
* ppc-sysv-tdep.c: Fix indentation.
* ppc64-tdep.c: Fix indentation.
* printcmd.c: Fix indentation.
* proc-api.c: Fix indentation.
* producer.c: Fix indentation.
* producer.h: Fix indentation.
* prologue-value.c: Fix indentation.
* prologue-value.h: Fix indentation.
* psymtab.c: Fix indentation.
* python/py-arch.c: Fix indentation.
* python/py-bpevent.c: Fix indentation.
* python/py-event.c: Fix indentation.
* python/py-event.h: Fix indentation.
* python/py-finishbreakpoint.c: Fix indentation.
* python/py-frame.c: Fix indentation.
* python/py-framefilter.c: Fix indentation.
* python/py-inferior.c: Fix indentation.
* python/py-infthread.c: Fix indentation.
* python/py-objfile.c: Fix indentation.
* python/py-prettyprint.c: Fix indentation.
* python/py-registers.c: Fix indentation.
* python/py-signalevent.c: Fix indentation.
* python/py-stopevent.c: Fix indentation.
* python/py-stopevent.h: Fix indentation.
* python/py-threadevent.c: Fix indentation.
* python/py-tui.c: Fix indentation.
* python/py-unwind.c: Fix indentation.
* python/py-value.c: Fix indentation.
* python/py-xmethods.c: Fix indentation.
* python/python-internal.h: Fix indentation.
* python/python.c: Fix indentation.
* ravenscar-thread.c: Fix indentation.
* record-btrace.c: Fix indentation.
* record-full.c: Fix indentation.
* record.c: Fix indentation.
* reggroups.c: Fix indentation.
* regset.h: Fix indentation.
* remote-fileio.c: Fix indentation.
* remote.c: Fix indentation.
* reverse.c: Fix indentation.
* riscv-linux-tdep.c: Fix indentation.
* riscv-ravenscar-thread.c: Fix indentation.
* riscv-tdep.c: Fix indentation.
* rl78-tdep.c: Fix indentation.
* rs6000-aix-tdep.c: Fix indentation.
* rs6000-lynx178-tdep.c: Fix indentation.
* rs6000-nat.c: Fix indentation.
* rs6000-tdep.c: Fix indentation.
* rust-lang.c: Fix indentation.
* rx-tdep.c: Fix indentation.
* s12z-tdep.c: Fix indentation.
* s390-linux-tdep.c: Fix indentation.
* score-tdep.c: Fix indentation.
* ser-base.c: Fix indentation.
* ser-mingw.c: Fix indentation.
* ser-uds.c: Fix indentation.
* ser-unix.c: Fix indentation.
* serial.c: Fix indentation.
* sh-linux-tdep.c: Fix indentation.
* sh-nbsd-tdep.c: Fix indentation.
* sh-tdep.c: Fix indentation.
* skip.c: Fix indentation.
* sol-thread.c: Fix indentation.
* solib-aix.c: Fix indentation.
* solib-darwin.c: Fix indentation.
* solib-frv.c: Fix indentation.
* solib-svr4.c: Fix indentation.
* solib.c: Fix indentation.
* source.c: Fix indentation.
* sparc-linux-tdep.c: Fix indentation.
* sparc-nbsd-tdep.c: Fix indentation.
* sparc-obsd-tdep.c: Fix indentation.
* sparc-ravenscar-thread.c: Fix indentation.
* sparc-tdep.c: Fix indentation.
* sparc64-linux-tdep.c: Fix indentation.
* sparc64-nbsd-tdep.c: Fix indentation.
* sparc64-obsd-tdep.c: Fix indentation.
* sparc64-tdep.c: Fix indentation.
* stabsread.c: Fix indentation.
* stack.c: Fix indentation.
* stap-probe.c: Fix indentation.
* stubs/ia64vms-stub.c: Fix indentation.
* stubs/m32r-stub.c: Fix indentation.
* stubs/m68k-stub.c: Fix indentation.
* stubs/sh-stub.c: Fix indentation.
* stubs/sparc-stub.c: Fix indentation.
* symfile-mem.c: Fix indentation.
* symfile.c: Fix indentation.
* symfile.h: Fix indentation.
* symmisc.c: Fix indentation.
* symtab.c: Fix indentation.
* symtab.h: Fix indentation.
* target-float.c: Fix indentation.
* target.c: Fix indentation.
* target.h: Fix indentation.
* tic6x-tdep.c: Fix indentation.
* tilegx-linux-tdep.c: Fix indentation.
* tilegx-tdep.c: Fix indentation.
* top.c: Fix indentation.
* tracefile-tfile.c: Fix indentation.
* tracepoint.c: Fix indentation.
* tui/tui-disasm.c: Fix indentation.
* tui/tui-io.c: Fix indentation.
* tui/tui-regs.c: Fix indentation.
* tui/tui-stack.c: Fix indentation.
* tui/tui-win.c: Fix indentation.
* tui/tui-winsource.c: Fix indentation.
* tui/tui.c: Fix indentation.
* typeprint.c: Fix indentation.
* ui-out.h: Fix indentation.
* unittests/copy_bitwise-selftests.c: Fix indentation.
* unittests/memory-map-selftests.c: Fix indentation.
* utils.c: Fix indentation.
* v850-tdep.c: Fix indentation.
* valarith.c: Fix indentation.
* valops.c: Fix indentation.
* valprint.c: Fix indentation.
* valprint.h: Fix indentation.
* value.c: Fix indentation.
* value.h: Fix indentation.
* varobj.c: Fix indentation.
* vax-tdep.c: Fix indentation.
* windows-nat.c: Fix indentation.
* windows-tdep.c: Fix indentation.
* xcoffread.c: Fix indentation.
* xml-syscall.c: Fix indentation.
* xml-tdesc.c: Fix indentation.
* xstormy16-tdep.c: Fix indentation.
* xtensa-config.c: Fix indentation.
* xtensa-linux-nat.c: Fix indentation.
* xtensa-linux-tdep.c: Fix indentation.
* xtensa-tdep.c: Fix indentation.
gdbserver/ChangeLog:
* ax.cc: Fix indentation.
* dll.cc: Fix indentation.
* inferiors.h: Fix indentation.
* linux-low.cc: Fix indentation.
* linux-nios2-low.cc: Fix indentation.
* linux-ppc-ipa.cc: Fix indentation.
* linux-ppc-low.cc: Fix indentation.
* linux-x86-low.cc: Fix indentation.
* linux-xtensa-low.cc: Fix indentation.
* regcache.cc: Fix indentation.
* server.cc: Fix indentation.
* tracepoint.cc: Fix indentation.
gdbsupport/ChangeLog:
* common-exceptions.h: Fix indentation.
* event-loop.cc: Fix indentation.
* fileio.cc: Fix indentation.
* filestuff.cc: Fix indentation.
* gdb-dlfcn.cc: Fix indentation.
* gdb_string_view.h: Fix indentation.
* job-control.cc: Fix indentation.
* signals.cc: Fix indentation.
Change-Id: I4bad7ae6be0fbe14168b8ebafb98ffe14964a695
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I noticed an issue with the RISC-V prologue scanning stack unwinder.
We currently read the frame base register (either $sp or $fp) as a
signed value. This means that the frame_id's stack_addr field will be
a signed value.
In other contexts though these registers are data pointers, and so are
unsigned.
There's not many places where this mismatch actually shows though, but
I did find one place. Consider this GDB session:
(gdb) maintenance set dwarf unwinders off
(gdb) set backtrace past-main on
...
(gdb) b main
Breakpoint 1 at 0x20400344: file main.c, line 86.
(gdb) run
...
(gdb) bt
#0 main () at main.c:86
#1 0x2040005c in _start () at start.S:59
Backtrace stopped: frame did not save the PC
(gdb) info frame 1
Stack frame at 0x80000a1c:
pc = 0x2040005c in _start (start.S:59); saved pc = <not saved>
Outermost frame: frame did not save the PC
caller of frame at 0x80000a1c
source language asm.
Arglist at 0x80000a1c, args:
Locals at 0x80000a1c, Previous frame's sp is 0x80000a1c
(gdb) frame address 0x80000a1c
No frame at address 0x80000a1c.
(gdb) frame address 0xffffffff80000a1c
#1 0x2040005c in _start () at start.S:59
59 call main
Notice that the 'info frame 1' reports that the frame is at
'0x80000a1c', this is the unsigned frame base value, but when I try
to select a frame using this address I can't.
The reason is that the frame_id for frame #1 actually has the
unsigned (and hence sign-extended) stack_addr value. When I use the
sign extended address I can correctly select the frame.
I propose changing the prologue scanning unwinder to read the frame
base as unsigned. After this in the above case I can now do this:
(gdb) frame address 0x80000a1c
#1 0x2040005c in _start () at start.S:59
59 call main
(gdb) frame address 0xffffffff80000a1c
No frame at address 0xffffffff80000a1c.
Which I think makes more sense.
This issue causes failures in gdb.base/frame-selection.exp if you
compile for RV32 with a linker script that places the stack in the
correct location, which are resolved by this patch.
gdb/ChangeLog:
* riscv-tdep.c (riscv_frame_cache): Read the frame base register
as an unsigned value.
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|
While working on something else, I noticed that tdesc_data_cleanup
took a void* parameter. Looking more into this, I found that
tdesc_use_registers expected a transfer of ownership.
I think it's better to express this sort of thing via the type system,
when possible. This patch changes tdesc_data_alloc to return a unique
pointer, changes tdesc_use_registers to accept an rvalue reference,
and then adapts all the users.
Note that a deleter structure is introduced to avoid having to move
tdesc_arch_data to the header file.
2020-09-17 Tom Tromey <tromey@adacore.com>
* tic6x-tdep.c (tic6x_gdbarch_init): Update.
* target-descriptions.h (struct tdesc_arch_data_deleter): New.
(tdesc_arch_data_up): New typedef.
(tdesc_use_registers, tdesc_data_alloc): Update.
(tdesc_data_cleanup): Don't declare.
* target-descriptions.c (tdesc_data_alloc): Return a
tdesc_arch_data_up.
(tdesc_arch_data_deleter::operator()): Rename from
tdesc_data_cleanup. Change argument type.
(tdesc_use_registers): Change early_data to an rvalue reference.
(tdesc_use_registers): Don't use delete.
* sparc-tdep.c (sparc32_gdbarch_init): Update.
* s390-tdep.c (s390_gdbarch_init): Update.
* rx-tdep.c (rx_gdbarch_init): Update.
* rs6000-tdep.c (rs6000_gdbarch_init): Update.
* riscv-tdep.c (riscv_gdbarch_init): Update.
* or1k-tdep.c (or1k_gdbarch_init): Update.
* nios2-tdep.c (nios2_gdbarch_init): Update.
* nds32-tdep.c (nds32_gdbarch_init): Update.
* mips-tdep.c (mips_gdbarch_init): Update.
* microblaze-tdep.c (microblaze_gdbarch_init): Update.
* m68k-tdep.c (m68k_gdbarch_init): Update.
* i386-tdep.c (i386_gdbarch_init): Update.
* arm-tdep.c (arm_gdbarch_init): Update.
* arc-tdep.c (arc_tdesc_init): Update.
(arc_gdbarch_init): Update.
* aarch64-tdep.c (aarch64_gdbarch_init): Update.
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|
The decode of c.sdsp was incorrectly claiming to be a 4-byte store
instead of an 8-byte store.
gdb/ChangeLog:
* riscv-tdep.c (riscv-insn::decode): Fix recorded insn type.
|
|
gdb/ChangeLog:
* gdbtypes.h (TYPE_VECTOR): Remove, replace all
uses with type::is_vector.
Change-Id: I1ac28755af44b1585c190553f9961288c8fb9137
|
|
Add the `is_vector` and `set_is_vector` methods on `struct type`, in
order to remove the `TYPE_VECTOR` macro. In this patch, the macro is
changed to use the getter, so all the call sites of the macro that are
used as a setter are changed to use the setter method directly. The
next patch will remove the macro completely.
gdb/ChangeLog:
* gdbtypes.h (struct type) <is_vector, set_is_vector>: New methods.
(TYPE_VECTOR): Use type::is_vector, change all write call sites to
use type::set_is_vector.
Change-Id: I415e8d169f058662e0750329bfa4017bea3ca0cb
|
|
gdb/ChangeLog:
* gdbtypes.h (TYPE_VARARGS): Remove, replace all
uses with type::has_varargs.
Change-Id: Ieea4a64b4bfa4b8be643e68cb403081881133740
|
|
Currently the 'info all-registers' command only loops over those
registers that are known to GDB. Any registers that are unknown, that
is, are mentioned in the target description, but are not something GDB
otherwise knows, will not be displayed.
This feels wrong, so this commit fixes this mistake. The output of
'info all-registers' now matches 'info registers all'.
gdb/ChangeLog:
* riscv-tdep.c (riscv_print_registers_info): Loop over all
registers, not just the known core set of registers.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-tdesc-regs.exp: New test cases.
|
|
Making use of the previous commit, record information about unknown
registers in the target description, and use this to resolve two
issues.
1. Some targets (QEMU) are reporting three register fflags, frm, and
fcsr, twice, once in the FPU feature, and once in the CSR feature.
GDB does create two registers with identical names, but this
is (sort of) fine, we only ever use the first one, and as both
registers access the same target state things basically work OK.
The only real problem is that the register names show up twice in
'info registers all' output.
In this commit we spot the duplicates of these registers and then
return NULL when asked for the name of these registers. This
causes GDB to hide these registers from the user, fixing this
problem.
2. Some targets (QEMU) advertise CSRs that GDB then can't read. The
problem is these targets also say these CSRs are part of the
save/restore register groups.
This means that before an inferior call GDB tries to save all of
these CSRs, and a failure to read one causes the inferior call to
be abandoned.
We already work around this issue to some degree, known CSRs are
removed from the save/restore groups, despite what the target might
say. However, any unknown CSRs are (currently) not removed in this
way.
After this commit we keep a log of the register numbers for all
unknown CSRs, then when asked about the register groups, we
override the group information for unknown CSRs, removing them from
the save and restore groups.
gdb/ChangeLog:
* riscv-tdep.c (riscv_register_name): Return NULL for duplicate
fflags, frm, and fcsr registers.
(riscv_register_reggroup_p): Remove unknown CSRs from save and
restore groups.
(riscv_tdesc_unknown_reg): New function.
(riscv_gdbarch_init): Pass riscv_tdesc_unknown_reg to
tdesc_use_registers.
* riscv-tdep.h (struct gdbarch_tdep): Add
unknown_csrs_first_regnum, unknown_csrs_count,
duplicate_fflags_regnum, duplicate_frm_regnum, and
duplicate_fcsr_regnum fields.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-tdesc-regs.exp: Extend test case.
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|
For the RISC-V target it is desirable if the three floating pointer
status CSRs fflags, frm, and fcsr can be placed into either the FPU
feature or the CSR feature. This allows different targets to build
the features in a way that better reflects their target.
The change to support this within GDB is fairly simple, so this is
done in this commit, and some tests added to check this new
functionality.
gdb/ChangeLog:
* riscv-tdep.c (value_of_riscv_user_reg): Moved to here from later
in the file.
(class riscv_pending_register_alias): Likewise.
(riscv_register_feature::register_info): Change 'required_p' field
to 'required', and change its type. Add 'check' member function.
(riscv_register_feature::register_info::check): Define new member
function.
(riscv_xreg_feature): Change initialisation of 'required' field.
(riscv_freg_feature): Likewise.
(riscv_virtual_feature): Likewise.
(riscv_csr_feature): Likewise.
(riscv_check_tdesc_feature): Take extra parameter, the csr
tdesc_feature, rewrite the function to use the new
riscv_register_feature::register_info::check function.
(riscv_gdbarch_init): Pass the csr tdesc_feature where needed.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-tdesc-loading-01.xml: New file.
* gdb.arch/riscv-tdesc-loading-02.xml: New file.
* gdb.arch/riscv-tdesc-loading-03.xml: New file.
* gdb.arch/riscv-tdesc-loading-04.xml: New file.
* gdb.arch/riscv-tdesc-loading.exp: New file.
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|
First, consider the RISC-V register $x1. This register has an alias
$ra. When GDB processes an incoming target description we allow the
target to use either register name to describe the target.
However, within GDB's UI we want to use the $ra alias in preference to
the $x1 architecture name.
To achieve this GDB overrides the tdesc_register_name callback with
riscv_register_name. In riscv_register_name we ensure that we always
return the preferred name, so in this case "ra".
To ensure the user can still access the register as $x1 if they want
to, when in riscv_check_tdesc_feature we spot that the target has
supplied the register, we add aliases for every name except the
preferred one, so in this case we add the alias "x1".
This scheme seems to work quite well, the targets have the flexibility
to be architecture focused if they wish (using x0 - x31) while GDB is
still using the ABI names ra, sp, gp, etc.
When this code was originally added there was an attempt made to
include the CSRs in the same scheme. At the time the CSRs only had
two names, one pulled from riscv-opc.h, and one generated in GDB that
had the pattern csr%d.
The idea was that if the remote targets description described the CSRs
as csr%d then GDB would rename these back to the real CSR name. This
code was only included because if followed the same pattern as the
x-regs and f-regs, not because I was actually aware of any target that
did this.
However, recent changes to add additional CSR aliases has made me
rethink the position here.
Lets consider the CSR $dscratch0. This register has an alias
'csr1970' (1970 is 0x7b2, which is the offset of the CSR register into
the CSR address space). However, this register was originally called
just 'dscratch', and so, after recent commits, this register also has
the alias 'dscratch'.
As the riscv-opc.h file calls this register 'dscratch0' GDB's
preferred name for this register is 'dscratch0'.
So, if the remote target description includes the register
'dscratch0', then GDB will add the aliases 'dscratch', and 'csr1970'.
In the UI GDB will describe the register as 'dscratch0', and all it
good.
The problem I see in this case is where the target describes the
register as 'dscratch'. In this case GDB will still spot the register
and add the aliases 'dscratch', and 'csr1970', GDB will then give the
register the preferred name 'dscratch0'.
I don't like this. For the CSRs I think that we should stick with the
naming scheme offered by the remote target description. As the RISC-V
specification evolves and CSR register names evolve, insisting on
referring to registers by the most up to date name makes it harder for
a target to provide a consistent target description for an older
version of the RISC-V architecture spec.
In this precise case the target offers 'dscratch', which is from an
older version of the RISC-V specification, the newer version of the
spec has two registers 'dscratch0' and 'dscratch1'. If we insist on
using 'dscratch0' it is then a little "weird" (or seems so to me) when
'dscratch1' is missing.
This patch makes a distinction between the x and f registers and the
other register sets. For x and f we still make use of the renaming
scheme, forcing GDB to prefer the ABI name. But after this patch the
CSR register group, and also the virtual register group, will always
prefer to use the name given in the target description, adding other
names as aliases, but not making any other name the preferred name.
gdb/ChangeLog:
* riscv-tdep.c (struct riscv_register_feature::register_info): Fix
whitespace error for declaration of names member variable.
(struct riscv_register_feature): Add new prefer_first_name member
variable, and fix whitespace error in declaration of registers.
(riscv_xreg_feature): Initialize prefer_first_name field.
(riscv_freg_feature): Likewise.
(riscv_virtual_feature): Likewise.
(riscv_csr_feature): Likewise.
(riscv_register_name): Expand on comments. Remove register name
modifications for CSR and virtual registers.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-tdesc-regs.exp: Extend test case.
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|
Should be 'std::vector<type>' not 'std::vector <type>'.
gdb/ChangeLog:
* riscv-tdep.c (struct riscv_register_feature): Fix whitespace
errors.
|
|
This commit does two things:
1. Makes use of the DECLARE_CSR_ALIAS definitions in riscv-opc.h to
add additional aliases for CSRs.
2. Only creates aliases for registers that are actually present on
the target (as announced in the target XML description).
This means that the 'csr%d' aliases that exist will only be created
for those CSRs the target actually has, which is a nice improvement,
as accessing one of the CSRs that didn't exist would cause GDB to
crash with this error:
valprint.c:1560: internal-error: bool maybe_negate_by_bytes(const gdb_byte*, unsigned int, bfd_endian, gdb::byte_vector*): Assertion `len > 0' failed.
When we look at the DECLARE_CSR_ALIAS lines in riscv-opc.h, these can
be split into three groups:
DECLARE_CSR_ALIAS(misa, 0xf10, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9, PRIV_SPEC_CLASS_1P9P1)
The 'misa' register used to exist of offset 0xf10, but was moved to
its current offset (0x301) in with privilege spec 1.9.1. We don't
want GDB to create an alias called 'misa' as we will already have a
'misa' register created by the DECLARE_CSR(misa ....) call earlier in
riscv-opc.h
DECLARE_CSR_ALIAS(ubadaddr, CSR_UTVAL, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9, PRIV_SPEC_CLASS_1P10)
DECLARE_CSR_ALIAS(sbadaddr, CSR_STVAL, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9, PRIV_SPEC_CLASS_1P10)
DECLARE_CSR_ALIAS(sptbr, CSR_SATP, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9, PRIV_SPEC_CLASS_1P10)
DECLARE_CSR_ALIAS(mbadaddr, CSR_MTVAL, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9, PRIV_SPEC_CLASS_1P10)
DECLARE_CSR_ALIAS(mucounteren, CSR_MCOUNTINHIBIT, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9, PRIV_SPEC_CLASS_1P10)
These aliases are all CSRs that were removed in privilege spec 1.10,
and whose addresses were reused by new CSRs. The names meaning of the
old names is totally different to the new CSRs that have taken their
place. I don't believe we should add these as aliases into GDB. If
the new CSR exists in the target then that should be enough.
DECLARE_CSR_ALIAS(dscratch, CSR_DSCRATCH0, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9, PRIV_SPEC_CLASS_1P11)
In privilege spec 1.11 the 'dscratch' register was renamed to
'dscratch0', however the meaning of the register didn't change.
Adding the 'dscratch' alias makes sense I think.
Looking then at the final PRIV_SPEC_CLASS_* field for each alias then
we can see that currently we only want to take the alias from
PRIV_SPEC_CLASS_1P11. For now then this is what I'm using to filter
the aliases within GDB.
In the future there's no telling how DECLARE_CSR_ALIAS will be used.
I've heard it said that future RISC-V privilege specs will not reuse
CSR offsets again. But it could happen. We just don't know.
If / when it does we may need to revisit how aliases are created for
GDB, but for now this seems to be OK.
gdb/ChangeLog:
* riscv-tdep.c (riscv_create_csr_aliases): Handle csr aliases from
riscv-opc.h.
(class riscv_pending_register_alias): New class.
(riscv_check_tdesc_feature): Take vector of pending aliases and
populate it as appropriate.
(riscv_setup_register_aliases): Delete.
(riscv_gdbarch_init): Create vector of pending aliases and pass it
to riscv_check_tdesc_feature in all cases. Use the vector to
create the register aliases.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-tdesc-regs-32.xml: New file.
* gdb.arch/riscv-tdesc-regs-64.xml: New file.
* gdb.arch/riscv-tdesc-regs.c: New file.
* gdb.arch/riscv-tdesc-regs.exp: New file.
|
|
Remove the `TYPE_FIELD_TYPE` macro, changing all the call sites to use
`type::field` and `field::type` directly.
gdb/ChangeLog:
* gdbtypes.h (TYPE_FIELD_TYPE): Remove. Change all call sites
to use type::field and field::type instead.
Change-Id: Ifda6226a25c811cfd334a756a9fbc5c0afdddff3
|
|
Remove `TYPE_NFIELDS`, changing all the call sites to use
`type::num_fields` directly. This is quite a big diff, but this was
mostly done using sed and coccinelle. A few call sites were done by
hand.
gdb/ChangeLog:
* gdbtypes.h (TYPE_NFIELDS): Remove. Change all cal sites to use
type::num_fields instead.
Change-Id: Ib73be4c36f9e770e0f729bac3b5257d7cb2f9591
|
|
extensions and CSR
1. Remove the -mriscv-isa-version and --with-riscv-isa-version options.
We can still use -march to choose the version for each extensions, so there is
no need to add these.
2. Change the arguments of options from [1p9|1p9p1|...] to [1.9|1.9.1|...].
Unlike the architecture string has specified by spec, ther is no need to do
the same thing for options.
3. Spilt the patches to reduce the burdens of review.
[PATCH 3/7] RISC-V: Support new GAS options and configure options to set ISA versions
to
[PATCH v2 3/9] RISC-V: Support GAS option -misa-spec to set ISA versions
[PATCH v2 4/9] RISC-V: Support configure options to set ISA versions by default.
[PATCH 4/7] RISC-V: Support version checking for CSR according to privilege version.
to
[PATCH v2 5/9] RISC-V: Support version checking for CSR according to privilege spec version.
[PATCH v2 6/9] RISC-V: Support configure option to choose the privilege spec version.
4. Use enum class rather than string to compare the choosen ISA spec in opcodes/riscv-opc.c.
The behavior is same as comparing the choosen privilege spec.
include * opcode/riscv.h: Include "bfd.h" to support bfd_boolean.
(enum riscv_isa_spec_class): New enum class. All supported ISA spec
belong to one of the class
(struct riscv_ext_version): New structure holds version information
for the specific ISA.
* opcode/riscv-opc.h (DECLARE_CSR): There are two version information,
define_version and abort_version. The define_version means which
privilege spec is started to define the CSR, and the abort_version
means which privilege spec is started to abort the CSR. If the CSR is
valid for the newest spec, then the abort_version should be
PRIV_SPEC_CLASS_DRAFT.
(DECLARE_CSR_ALIAS): Same as DECLARE_CSR, but only for the obselete CSR.
* opcode/riscv.h (enum riscv_priv_spec_class): New enum class. Define
the current supported privilege spec versions.
(struct riscv_csr_extra): Add new fields to store more information
about the CSR. We use these information to find the suitable CSR
address when user choosing a specific privilege spec.
binutils * dwarf.c: Updated since DECLARE_CSR is changed.
opcodes * riscv-opc.c (riscv_ext_version_table): The table used to store
all information about the supported spec and the corresponding ISA
versions. Currently, only Zicsr is supported to verify the
correctness of Z sub extension settings. Others will be supported
in the future patches.
(struct isa_spec_t, isa_specs): List for all supported ISA spec
classes and the corresponding strings.
(riscv_get_isa_spec_class): New function. Get the corresponding ISA
spec class by giving a ISA spec string.
* riscv-opc.c (struct priv_spec_t): New structure.
(struct priv_spec_t priv_specs): List for all supported privilege spec
classes and the corresponding strings.
(riscv_get_priv_spec_class): New function. Get the corresponding
privilege spec class by giving a spec string.
(riscv_get_priv_spec_name): New function. Get the corresponding
privilege spec string by giving a CSR version class.
* riscv-dis.c: Updated since DECLARE_CSR is changed.
* riscv-dis.c: Add new disassembler option -Mpriv-spec to dump the CSR
according to the chosen version. Build a hash table riscv_csr_hash to
store the valid CSR for the chosen pirv verison. Dump the direct
CSR address rather than it's name if it is invalid.
(parse_riscv_dis_option_without_args): New function. Parse the options
without arguments.
(parse_riscv_dis_option): Call parse_riscv_dis_option_without_args to
parse the options without arguments first, and then handle the options
with arguments. Add the new option -Mpriv-spec, which has argument.
* riscv-dis.c (print_riscv_disassembler_options): Add description
about the new OBJDUMP option.
ld * testsuite/ld-riscv-elf/attr-merge-arch-01.d: Updated
priv attributes according to the -mpriv-spec option.
* testsuite/ld-riscv-elf/attr-merge-arch-02.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-arch-03.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-priv-spec-a.s: Likewise.
* testsuite/ld-riscv-elf/attr-merge-priv-spec-b.s: Likewise.
* testsuite/ld-riscv-elf/attr-merge-priv-spec.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-stack-align.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-strict-align-01.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-strict-align-02.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-strict-align-03.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-strict-align-04.d: Likewise.
* testsuite/ld-riscv-elf/attr-merge-strict-align-05.d: Likewise.
bfd * elfxx-riscv.h (riscv_parse_subset_t): Add new callback function
get_default_version. It is used to find the default version for
the specific extension.
* elfxx-riscv.c (riscv_parsing_subset_version): Remove the parameters
default_major_version and default_minor_version. Add new bfd_boolean
parameter *use_default_version. Set it to TRUE if we need to call
the callback rps->get_default_version to find the default version.
(riscv_parse_std_ext): Call rps->get_default_version if we fail to find
the default version in riscv_parsing_subset_version, and then call
riscv_add_subset to add the subset into subset list.
(riscv_parse_prefixed_ext): Likewise.
(riscv_std_z_ext_strtab): Support Zicsr extensions.
* elfnn-riscv.c (riscv_merge_std_ext): Use strcasecmp to compare the
strings rather than characters.
riscv_merge_arch_attr_info): The callback function get_default_version
is only needed for assembler, so set it to NULL int the linker.
* elfxx-riscv.c (riscv_estimate_digit): Remove the static.
* elfxx-riscv.h: Updated.
gas * testsuite/gas/riscv/priv-reg-fail-read-only-01.s: Updated.
* config/tc-riscv.c (default_arch_with_ext, default_isa_spec):
Static variables which are used to set the ISA extensions. You can
use -march (or ELF build attributes) and -misa-spec to set them,
respectively.
(ext_version_hash): The hash table used to handle the extensions
with versions.
(init_ext_version_hash): Initialize the ext_version_hash according
to riscv_ext_version_table.
(riscv_get_default_ext_version): The callback function of
riscv_parse_subset_t. According to the choosed ISA spec,
get the default version for the specific extension.
(riscv_set_arch): Set the callback function.
(enum options, struct option md_longopts): Add new option -misa-spec.
(md_parse_option): Do not call riscv_set_arch for -march. We will
call it later in riscv_after_parse_args. Call riscv_get_isa_spec_class
to set default_isa_spec class.
(riscv_after_parse_args): Call init_ext_version_hash to initialize the
ext_version_hash, and then call riscv_set_arch to set the architecture
with versions according to default_arch_with_ext.
* testsuite/gas/riscv/attribute-02.d: Set 0p0 as default version for
x extensions.
* testsuite/gas/riscv/attribute-03.d: Likewise.
* testsuite/gas/riscv/attribute-09.d: New testcase. For i-ext, we
already set it's version to 2p1 by march, so no need to use the default
2p2 version. For m-ext, we do not set the version by -march and ELF arch
attribute, so set the default 2p0 to it. For zicsr, it is not defined in
ISA spec 2p2, so set 0p0 to it.
* testsuite/gas/riscv/attribute-10.d: New testcase. The version of
zicsr is 2p0 according to ISA spec 20191213.
* config/tc-riscv.c (DEFAULT_RISCV_ARCH_WITH_EXT)
(DEFAULT_RISCV_ISA_SPEC): Default configure option settings.
You can set them by configure options --with-arch and
--with-isa-spec, respectively.
(riscv_set_default_isa_spec): New function used to set the
default ISA spec.
(md_parse_option): Call riscv_set_default_isa_spec rather than
call riscv_get_isa_spec_class directly.
(riscv_after_parse_args): If the -isa-spec is not set, then we
set the default ISA spec according to DEFAULT_RISCV_ISA_SPEC by
calling riscv_set_default_isa_spec.
* testsuite/gas/riscv/attribute-01.d: Add -misa-spec=2.2, since
the --with-isa-spec may be set to different ISA spec.
* testsuite/gas/riscv/attribute-02.d: Likewise.
* testsuite/gas/riscv/attribute-03.d: Likewise.
* testsuite/gas/riscv/attribute-04.d: Likewise.
* testsuite/gas/riscv/attribute-05.d: Likewise.
* testsuite/gas/riscv/attribute-06.d: Likewise.
* testsuite/gas/riscv/attribute-07.d: Likewise.
* configure.ac: Add configure options, --with-arch and
--with-isa-spec.
* configure: Regenerated.
* config.in: Regenerated.
* config/tc-riscv.c (default_priv_spec): Static variable which is
used to check if the CSR is valid for the chosen privilege spec. You
can use -mpriv-spec to set it.
(enum reg_class): We now get the CSR address from csr_extra_hash rather
than reg_names_hash. Therefore, move RCLASS_CSR behind RCLASS_MAX.
(riscv_init_csr_hashes): Only need to initialize one hash table
csr_extra_hash.
(riscv_csr_class_check): Change the return type to void. Don't check
the ISA dependency if -mcsr-check isn't set.
(riscv_csr_version_check): New function. Check and find the CSR address
from csr_extra_hash, according to default_priv_spec. Report warning
for the invalid CSR if -mcsr-check is set.
(reg_csr_lookup_internal): Updated.
(reg_lookup_internal): Likewise.
(md_begin): Updated since DECLARE_CSR and DECLARE_CSR_ALIAS are changed.
(enum options, struct option md_longopts): Add new GAS option -mpriv-spec.
(md_parse_option): Call riscv_set_default_priv_version to set
default_priv_spec.
(riscv_after_parse_args): If -mpriv-spec isn't set, then set the default
privilege spec to the newest one.
(enum riscv_csr_class, struct riscv_csr_extra): Move them to
include/opcode/riscv.h.
* testsuite/gas/riscv/priv-reg-fail-fext.d: This test case just want
to check the ISA dependency for CSR, so fix the spec version by adding
-mpriv-spec=1.11.
* testsuite/gas/riscv/priv-reg-fail-fext.l: Likewise. There are some
version warnings for the test case.
* gas/testsuite/gas/riscv/priv-reg-fail-read-only-01.d: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-read-only-01.l: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-read-only-02.d: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-rv32-only.d: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-rv32-only.l: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p9.d: New test case.
Check whether the CSR is valid when privilege version 1.9 is choosed.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p9.l: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p9p1.d: New test case.
Check whether the CSR is valid when privilege version 1.9.1 is choosed.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p9p1.l: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p10.d: New test case.
Check whether the CSR is valid when privilege version 1.10 is choosed.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p10.l: Likewise.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p11.d: New test case.
Check whether the CSR is valid when privilege version 1.11 is choosed.
* gas/testsuite/gas/riscv/priv-reg-fail-version-1p11.l: Likewise.
* config/tc-riscv.c (DEFAULT_RISCV_ISA_SPEC): Default configure option
setting. You can set it by configure option --with-priv-spec.
(riscv_set_default_priv_spec): New function used to set the default
privilege spec.
(md_parse_option): Call riscv_set_default_priv_spec rather than
call riscv_get_priv_spec_class directly.
(riscv_after_parse_args): If -mpriv-spec isn't set, then we set the
default privilege spec according to DEFAULT_RISCV_PRIV_SPEC by
calling riscv_set_default_priv_spec.
* testsuite/gas/riscv/csr-dw-regnums.d: Add -mpriv-spec=1.11, since
the --with-priv-spec may be set to different privilege spec.
* testsuite/gas/riscv/priv-reg.d: Likewise.
* configure.ac: Add configure option --with-priv-spec.
* configure: Regenerated.
* config.in: Regenerated.
* config/tc-riscv.c (explicit_attr): Rename explicit_arch_attr to
explicit_attr. Set it to TRUE if any ELF attribute is found.
(riscv_set_default_priv_spec): Try to set the default_priv_spec if
the priv attributes are set.
(md_assemble): Set the default_priv_spec according to the priv
attributes when we start to assemble instruction.
(riscv_write_out_attrs): Rename riscv_write_out_arch_attr to
riscv_write_out_attrs. Update the arch and priv attributes. If we
don't set the corresponding ELF attributes, then try to output the
default ones.
(riscv_set_public_attributes): If any ELF attribute or -march-attr
options is set (explicit_attr is TRUE), then call riscv_write_out_attrs
to update the arch and priv attributes.
(s_riscv_attribute): Make sure all arch and priv attributes are set
before any instruction.
* testsuite/gas/riscv/attribute-01.d: Update the priv attributes if any
ELF attribute or -march-attr is set. If the priv attributes are not
set, then try to update them by the default setting (-mpriv-spec or
--with-priv-spec).
* testsuite/gas/riscv/attribute-02.d: Likewise.
* testsuite/gas/riscv/attribute-03.d: Likewise.
* testsuite/gas/riscv/attribute-04.d: Likewise.
* testsuite/gas/riscv/attribute-06.d: Likewise.
* testsuite/gas/riscv/attribute-07.d: Likewise.
* testsuite/gas/riscv/attribute-08.d: Likewise.
* testsuite/gas/riscv/attribute-09.d: Likewise.
* testsuite/gas/riscv/attribute-10.d: Likewise.
* testsuite/gas/riscv/attribute-unknown.d: Likewise.
* testsuite/gas/riscv/attribute-05.d: Likewise. Also, the priv spec
set by priv attributes must be supported.
* testsuite/gas/riscv/attribute-05.s: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p9.d: Likewise. Updated
priv attributes according to the -mpriv-spec option.
* testsuite/gas/riscv/priv-reg-fail-version-1p9p1.d: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p10.d: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p11.d: Likewise.
* testsuite/gas/riscv/priv-reg.d: Removed.
* testsuite/gas/riscv/priv-reg-version-1p9.d: New test case. Dump the
CSR according to the priv spec 1.9.
* testsuite/gas/riscv/priv-reg-version-1p9p1.d: New test case. Dump the
CSR according to the priv spec 1.9.1.
* testsuite/gas/riscv/priv-reg-version-1p10.d: New test case. Dump the
CSR according to the priv spec 1.10.
* testsuite/gas/riscv/priv-reg-version-1p11.d: New test case. Dump the
CSR according to the priv spec 1.11.
* config/tc-riscv.c (md_show_usage): Add descriptions about
the new GAS options.
* doc/c-riscv.texi: Likewise.
|
|
Remove `TYPE_NAME`, changing all the call sites to use `type::name`
directly. This is quite a big diff, but this was mostly done using sed
and coccinelle. A few call sites were done by hand.
gdb/ChangeLog:
* gdbtypes.h (TYPE_NAME): Remove. Change all cal sites to use
type::name instead.
|
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Add the `name` and `set_name` methods on `struct type`, in order to
remove the `TYPE_NAME` macro. In this patch, the `TYPE_NAME` macro is
changed to use `type::name`, so all the call sites that are used to set
the type name are changed to use `type::set_name`. The next patch will
remove `TYPE_NAME` completely.
gdb/ChangeLog:
* gdbtypes.h (struct type) <name, set_name>: New methods.
(TYPE_CODE): Use type::name. Change all call sites used to set
the name to use type::set_name instead.
|
|
Remove TYPE_CODE, changing all the call sites to use type::code
directly. This is quite a big diff, but this was mostly done using sed
and coccinelle. A few call sites were done by hand.
gdb/ChangeLog:
* gdbtypes.h (TYPE_CODE): Remove. Change all call sites to use
type::code instead.
|
|
Currently there are many prefix commands that do nothing but call
either help_list or cmd_show_list. I happened to notice that one such
call, for "set print type", used the wrong command list parameter,
causing incorrect output.
Rather than fix this bug in isolation, I decided to eliminate this
possibility by adding two new ways to add prefix commands, which
simply route the call to help_list or cmd_show_list, as appropriate.
This makes it impossible for a mismatch to occur.
In some cases, a bit of output was removed; however, I don't think
this output in general was very useful. It seemed redundant with
what's already printed by help_list. A representative example is this
hunk, removed from ada-lang.c:
- printf_unfiltered (_(\
-"\"set ada\" must be followed by the name of a setting.\n"));
This simplified the CLI style set/show commands quite a bit, and
allowed the deletion of a macro.
This also cleans up some unusual code in windows-tdep.c.
Tested on x86-64 Fedora 30. Note that I have no way to build the
go32-nat.c change.
gdb/ChangeLog
2020-04-17 Tom Tromey <tromey@adacore.com>
* auto-load.c (show_auto_load_cmd): Remove.
(auto_load_show_cmdlist_get): Use add_show_prefix_cmd.
* arc-tdep.c (_initialize_arc_tdep): Use add_show_prefix_cmd.
(maintenance_print_arc_command): Remove.
* tui/tui-win.c (tui_command): Remove.
(tui_get_cmd_list): Use add_basic_prefix_cmd.
* tui/tui-layout.c (tui_layout_command): Remove.
(_initialize_tui_layout): Use add_basic_prefix_cmd.
* python/python.c (user_set_python, user_show_python): Remove.
(_initialize_python): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* guile/guile.c (set_guile_command, show_guile_command): Remove.
(install_gdb_commands): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(info_guile_command): Remove.
* dwarf2/read.c (set_dwarf_cmd, show_dwarf_cmd): Remove.
(_initialize_dwarf2_read): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cli/cli-style.h (class cli_style_option) <add_setshow_commands>:
Remove do_set and do_show parameters.
* cli/cli-style.c (set_style, show_style): Remove.
(_initialize_cli_style): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(cli_style_option::add_setshow_commands): Remove do_set and
do_show parameters.
(cli_style_option::add_setshow_commands): Use
add_basic_prefix_cmd, add_show_prefix_cmd.
(STYLE_ADD_SETSHOW_COMMANDS): Remove macro.
(set_style_name): Remove.
* cli/cli-dump.c (dump_command, append_command): Remove.
(srec_dump_command, ihex_dump_command, verilog_dump_command)
(tekhex_dump_command, binary_dump_command)
(binary_append_command): Remove.
(_initialize_cli_dump): Use add_basic_prefix_cmd.
* windows-tdep.c (w32_prefix_command_valid): Remove global.
(init_w32_command_list): Remove; move into ...
(_initialize_windows_tdep): ... here. Use add_basic_prefix_cmd.
* valprint.c (set_print, show_print, set_print_raw)
(show_print_raw): Remove.
(_initialize_valprint): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* typeprint.c (set_print_type, show_print_type): Remove.
(_initialize_typeprint): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* record.c (set_record_command, show_record_command): Remove.
(_initialize_record): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cli/cli-cmds.c (_initialize_cli_cmds): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(info_command, show_command, set_debug, show_debug): Remove.
* top.h (set_history, show_history): Don't declare.
* top.c (set_history, show_history): Remove.
* target-descriptions.c (set_tdesc_cmd, show_tdesc_cmd)
(unset_tdesc_cmd): Remove.
(_initialize_target_descriptions): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* symtab.c (info_module_command): Remove.
(_initialize_symtab): Use add_basic_prefix_cmd.
* symfile.c (overlay_command): Remove.
(_initialize_symfile): Use add_basic_prefix_cmd.
* sparc64-tdep.c (info_adi_command): Remove.
(_initialize_sparc64_adi_tdep): Use add_basic_prefix_cmd.
* sh-tdep.c (show_sh_command, set_sh_command): Remove.
(_initialize_sh_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* serial.c (serial_set_cmd, serial_show_cmd): Remove.
(_initialize_serial): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ser-tcp.c (set_tcp_cmd, show_tcp_cmd): Remove.
(_initialize_ser_tcp): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* rs6000-tdep.c (set_powerpc_command, show_powerpc_command)
(_initialize_rs6000_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* riscv-tdep.c (show_riscv_command, set_riscv_command)
(show_debug_riscv_command, set_debug_riscv_command): Remove.
(_initialize_riscv_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* remote.c (remote_command, set_remote_cmd): Remove.
(_initialize_remote): Use add_basic_prefix_cmd.
* record-full.c (set_record_full_command)
(show_record_full_command): Remove.
(_initialize_record_full): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* record-btrace.c (cmd_set_record_btrace)
(cmd_show_record_btrace, cmd_set_record_btrace_bts)
(cmd_show_record_btrace_bts, cmd_set_record_btrace_pt)
(cmd_show_record_btrace_pt): Remove.
(_initialize_record_btrace): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ravenscar-thread.c (set_ravenscar_command)
(show_ravenscar_command): Remove.
(_initialize_ravenscar): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* mips-tdep.c (show_mips_command, set_mips_command)
(_initialize_mips_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* maint.c (maintenance_command, maintenance_info_command)
(maintenance_check_command, maintenance_print_command)
(maintenance_set_cmd, maintenance_show_cmd): Remove.
(_initialize_maint_cmds): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
(show_per_command_cmd): Remove.
* maint-test-settings.c (maintenance_set_test_settings_cmd):
Remove.
(maintenance_show_test_settings_cmd): Remove.
(_initialize_maint_test_settings): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* maint-test-options.c (maintenance_test_options_command):
Remove.
(_initialize_maint_test_options): Use add_basic_prefix_cmd.
* macrocmd.c (macro_command): Remove
(_initialize_macrocmd): Use add_basic_prefix_cmd.
* language.c (set_check, show_check): Remove.
(_initialize_language): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* infcmd.c (unset_command): Remove.
(_initialize_infcmd): Use add_basic_prefix_cmd.
* i386-tdep.c (set_mpx_cmd, show_mpx_cmd): Remove.
(_initialize_i386_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* go32-nat.c (go32_info_dos_command): Remove.
(_initialize_go32_nat): Use add_basic_prefix_cmd.
* cli/cli-decode.c (do_prefix_cmd, add_basic_prefix_cmd)
(do_show_prefix_cmd, add_show_prefix_cmd): New functions.
* frame.c (set_backtrace_cmd, show_backtrace_cmd): Remove.
(_initialize_frame): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* dcache.c (set_dcache_command, show_dcache_command): Remove.
(_initialize_dcache): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* cp-support.c (maint_cplus_command): Remove.
(_initialize_cp_support): Use add_basic_prefix_cmd.
* btrace.c (maint_btrace_cmd, maint_btrace_set_cmd)
(maint_btrace_show_cmd, maint_btrace_pt_set_cmd)
(maint_btrace_pt_show_cmd, _initialize_btrace): Use
add_basic_prefix_cmd, add_show_prefix_cmd.
* breakpoint.c (save_command): Remove.
(_initialize_breakpoint): Use add_basic_prefix_cmd.
* arm-tdep.c (set_arm_command, show_arm_command): Remove.
(_initialize_arm_tdep): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* ada-lang.c (maint_set_ada_cmd, maint_show_ada_cmd)
(set_ada_command, show_ada_command): Remove.
(_initialize_ada_language): Use add_basic_prefix_cmd,
add_show_prefix_cmd.
* command.h (add_basic_prefix_cmd, add_show_prefix_cmd): Declare.
gdb/testsuite/ChangeLog
2020-04-17 Tom Tromey <tromey@adacore.com>
* gdb.cp/maint.exp (test_help): Simplify multiple_help_body.
Update tests.
* gdb.btrace/cpu.exp: Update tests.
* gdb.base/maint.exp: Update tests.
* gdb.base/default.exp: Update tests.
* gdb.base/completion.exp: Update tests.
|
|
When setting up function parameters we already perform NaN boxing, as
required by the RISC-V ABI, however, we don't do this when writing
values into registers as part of setting up a return value.
This commit moves the NaN boxing code into a small helper function,
and then makes use of this function when setting up function
parameters, and also when setting up return values.
This should resolve this failure:
FAIL: gdb.base/return-nodebug.exp: float: full width of the returned result
gdb/ChangeLog:
PR gdb/25489
* riscv-tdep.c (riscv_arg_info::c_offset): Update comment.
(riscv_regcache_cooked_write): New function.
(riscv_push_dummy_call): Use new function.
(riscv_return_value): Likewise.
|
|
This changes some spots in riscv-tdep.c to use common_val_print rather
than val_print.
gdb/ChangeLog
2020-03-13 Tom Tromey <tom@tromey.com>
* riscv-tdep.c (riscv_print_one_register_info): Use
common_val_print.
|
|
According to the riscv privilege spec, some CSR are only valid when rv32 or
the specific extension is set. We extend the DECLARE_CSR and DECLARE_CSR_ALIAS
to record more informaton we need, and then check whether the CSR is valid
according to these information. We report warning message when the CSR is
invalid, so we have a choice between error and warning by --fatal-warnings
option. Also, a --no-warn/-W option is used to turn the warnings off, if
people don't want the warnings.
gas/
* config/tc-riscv.c (enum riscv_csr_class): New enum. Used to decide
whether or not this CSR is legal in the current ISA string.
(struct riscv_csr_extra): New structure to hold all extra information
of CSR.
(riscv_init_csr_hash): New function. According to the DECLARE_CSR and
DECLARE_CSR_ALIAS, insert CSR extra information into csr_extra_hash.
Call hash_reg_name to insert CSR address into reg_names_hash.
(md_begin): Call riscv_init_csr_hashes for each DECLARE_CSR.
(reg_csr_lookup_internal, riscv_csr_class_check): New functions.
Decide whether the CSR is valid according to the csr_extra_hash.
(init_opcode_hash): Update 'if (hash_error != NULL)' as hash_error is
not a boolean. This is same as riscv_init_csr_hash, so keep the
consistent usage.
* testsuite/gas/riscv/csr-dw-regnums.d: Add -march=rv32if option.
* testsuite/gas/riscv/priv-reg.d: Add f-ext by -march option.
* testsuite/gas/riscv/priv-reg-fail-fext.d: New testcase. The source
file is `priv-reg.s`, and the ISA is rv32i without f-ext, so the
f-ext CSR are not allowed.
* testsuite/gas/riscv/priv-reg-fail-fext.l: Likewise.
* testsuite/gas/riscv/priv-reg-fail-rv32-only.d: New testcase. The
source file is `priv-reg.s`, and the ISA is rv64if, so the
rv32-only CSR are not allowed.
* testsuite/gas/riscv/priv-reg-fail-rv32-only.l: Likewise.
include/
* opcode/riscv-opc.h: Extend DECLARE_CSR and DECLARE_CSR_ALIAS to
record riscv_csr_class.
opcodes/
* riscv-dis.c (print_insn_args): Updated since the DECLARE_CSR is changed.
gdb/
* riscv-tdep.c: Updated since the DECLARE_CSR is changed.
* riscv-tdep.h: Likewise.
* features/riscv/rebuild-csr-xml.sh: Generate the 64bit-csr.xml without
rv32-only CSR.
* features/riscv/64bit-csr.xml: Regernated.
binutils/
* dwarf.c: Updated since the DECLARE_CSR is changed.
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In preparation for adding the RISC-V gdbserver, this commit
restructures the API for looking up target descriptions.
The current API is riscv_create_target_description, which creates a
target description from a riscv_gdbarch_features, but also caches the
created target descriptions so that for a given features object we
always get back the same target description object. This is important
for GDB due to the way gdbarch objects are reused.
As the same target description is always returned to GDB, and can be
returned multiple times, it is returned as a const, however, the
current cache actually stores a non-const target description. This is
improved in this patch so that the cache holds a const target
description.
For gdbsever, this caching of the target descriptions is not needed,
the gdbserver looks up one target description to describe the target
it is actually running on and that is it. Further the gdbserver
actually needs to modify the target description that is looked up, so
for the gdbsever, returning a const target description is not
acceptable.
This commit aims to address this by creating two parallel target
description APIs, on is the old riscv_create_target_description,
however, this no longer performs any caching, and just creates a new
target description, and returns it as non-const.
The second API is riscv_lookup_target_description, this one performs
the caching, and calls riscv_create_target_description to create a
target description when needed.
In order to make sure the correct API is used in the correct place I
have guarded the code using the GDBSERVER define. For GDB the
riscv_create_target_description is static, and not generally usable
throughout GDB, only the lookup API is global. In gdbserver, the
lookup functions, and the cache are not defined or created at all,
only the riscv_create_target_description API is available.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* arch/riscv.c (struct riscv_gdbarch_features_hasher): Only define
if GDBSERVER is not defined.
(riscv_tdesc_cache): Likewise, also store const target_desc.
(STATIC_IN_GDB): Define.
(riscv_create_target_description): Update declaration with
STATIC_IN_GDB.
(riscv_lookup_target_description): New function, only define if
GDBSERVER is not defined.
* arch/riscv.h (riscv_create_target_description): Declare only
when GDBSERVER is defined.
(riscv_lookup_target_description): New declaration when GDBSERVER
is not defined.
* nat/riscv-linux-tdesc.c (riscv_linux_read_description): Rename to...
(riscv_linux_read_features): ...this, and return
riscv_gdbarch_features instead of target_desc.
* nat/riscv-linux-tdesc.h: Include 'arch/riscv.h'.
(riscv_linux_read_description): Rename to...
(riscv_linux_read_features): ...this.
* riscv-linux-nat.c (riscv_linux_nat_target::read_description):
Update to use riscv_gdbarch_features and
riscv_lookup_target_description.
* riscv-tdep.c (riscv_find_default_target_description): Use
riscv_lookup_target_description instead of
riscv_create_target_description.
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This moves all the remaining DWARF code to the new dwarf2
subdirectory. This is just a simple renaming, with updates to
includes as needed.
gdb/ChangeLog
2020-02-08 Tom Tromey <tom@tromey.com>
* dwarf2/expr.c: Rename from dwarf2expr.c.
* dwarf2/expr.h: Rename from dwarf2expr.h.
* dwarf2/frame-tailcall.c: Rename from dwarf2-frame-tailcall.c.
* dwarf2/frame-tailcall.h: Rename from dwarf2-frame-tailcall.h.
* dwarf2/frame.c: Rename from dwarf2-frame.c.
* dwarf2/frame.h: Rename from dwarf2-frame.h.
* dwarf2/index-cache.c: Rename from dwarf-index-cache.c.
* dwarf2/index-cache.h: Rename from dwarf-index-cache.h.
* dwarf2/index-common.c: Rename from dwarf-index-common.c.
* dwarf2/index-common.h: Rename from dwarf-index-common.h.
* dwarf2/index-write.c: Rename from dwarf-index-write.c.
* dwarf2/index-write.h: Rename from dwarf-index-write.h.
* dwarf2/loc.c: Rename from dwarf2loc.c.
* dwarf2/loc.h: Rename from dwarf2loc.h.
* dwarf2/read.c: Rename from dwarf2read.c.
* dwarf2/read.h: Rename from dwarf2read.h.
* dwarf2/abbrev.c, aarch64-tdep.c, alpha-tdep.c,
amd64-darwin-tdep.c, arc-tdep.c, arm-tdep.c, bfin-tdep.c,
compile/compile-c-symbols.c, compile/compile-cplus-symbols.c,
compile/compile-loc2c.c, cris-tdep.c, csky-tdep.c, findvar.c,
gdbtypes.c, guile/scm-type.c, h8300-tdep.c, hppa-bsd-tdep.c,
hppa-linux-tdep.c, i386-darwin-tdep.c, i386-linux-tdep.c,
i386-tdep.c, iq2000-tdep.c, m32c-tdep.c, m68hc11-tdep.c,
m68k-tdep.c, microblaze-tdep.c, mips-tdep.c, mn10300-tdep.c,
msp430-tdep.c, nds32-tdep.c, nios2-tdep.c, or1k-tdep.c,
riscv-tdep.c, rl78-tdep.c, rs6000-tdep.c, rx-tdep.c, s12z-tdep.c,
s390-tdep.c, score-tdep.c, sh-tdep.c, sparc-linux-tdep.c,
sparc-tdep.c, sparc64-linux-tdep.c, sparc64-tdep.c, tic6x-tdep.c,
tilegx-tdep.c, v850-tdep.c, xstormy16-tdep.c, xtensa-tdep.c:
Update.
* Makefile.in (COMMON_SFILES): Update.
(HFILES_NO_SRCDIR): Update.
Change-Id: Ied9ce1436cd27ac4a4cffef10ec92e396f181928
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I'd like to enable the -Wmissing-declarations warning. However, it
warns for every _initialize function, for example:
CXX dcache.o
/home/smarchi/src/binutils-gdb/gdb/dcache.c: In function ‘void _initialize_dcache()’:
/home/smarchi/src/binutils-gdb/gdb/dcache.c:688:1: error: no previous declaration for ‘void _initialize_dcache()’ [-Werror=missing-declarations]
_initialize_dcache (void)
^~~~~~~~~~~~~~~~~~
The only practical way forward I found is to add back the declarations,
which were removed by this commit:
commit 481695ed5f6e0a8a9c9c50bfac1cdd2b3151e6c9
Author: John Baldwin <jhb@FreeBSD.org>
Date: Sat Sep 9 11:02:37 2017 -0700
Remove unnecessary function prototypes.
I don't think it's a big problem to have the declarations for these
functions, but if anybody has a better solution for this, I'll be happy
to use it.
gdb/ChangeLog:
* aarch64-fbsd-nat.c (_initialize_aarch64_fbsd_nat): Add declaration.
* aarch64-fbsd-tdep.c (_initialize_aarch64_fbsd_tdep): Add declaration.
* aarch64-linux-nat.c (_initialize_aarch64_linux_nat): Add declaration.
* aarch64-linux-tdep.c (_initialize_aarch64_linux_tdep): Add declaration.
* aarch64-newlib-tdep.c (_initialize_aarch64_newlib_tdep): Add declaration.
* aarch64-tdep.c (_initialize_aarch64_tdep): Add declaration.
* ada-exp.y (_initialize_ada_exp): Add declaration.
* ada-lang.c (_initialize_ada_language): Add declaration.
* ada-tasks.c (_initialize_tasks): Add declaration.
* agent.c (_initialize_agent): Add declaration.
* aix-thread.c (_initialize_aix_thread): Add declaration.
* alpha-bsd-nat.c (_initialize_alphabsd_nat): Add declaration.
* alpha-linux-nat.c (_initialize_alpha_linux_nat): Add declaration.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Add declaration.
* alpha-nbsd-tdep.c (_initialize_alphanbsd_tdep): Add declaration.
* alpha-obsd-tdep.c (_initialize_alphaobsd_tdep): Add declaration.
* alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
* amd64-darwin-tdep.c (_initialize_amd64_darwin_tdep): Add declaration.
* amd64-dicos-tdep.c (_initialize_amd64_dicos_tdep): Add declaration.
* amd64-fbsd-nat.c (_initialize_amd64fbsd_nat): Add declaration.
* amd64-fbsd-tdep.c (_initialize_amd64fbsd_tdep): Add declaration.
* amd64-linux-nat.c (_initialize_amd64_linux_nat): Add declaration.
* amd64-linux-tdep.c (_initialize_amd64_linux_tdep): Add declaration.
* amd64-nbsd-nat.c (_initialize_amd64nbsd_nat): Add declaration.
* amd64-nbsd-tdep.c (_initialize_amd64nbsd_tdep): Add declaration.
* amd64-obsd-nat.c (_initialize_amd64obsd_nat): Add declaration.
* amd64-obsd-tdep.c (_initialize_amd64obsd_tdep): Add declaration.
* amd64-sol2-tdep.c (_initialize_amd64_sol2_tdep): Add declaration.
* amd64-tdep.c (_initialize_amd64_tdep): Add declaration.
* amd64-windows-nat.c (_initialize_amd64_windows_nat): Add declaration.
* amd64-windows-tdep.c (_initialize_amd64_windows_tdep): Add declaration.
* annotate.c (_initialize_annotate): Add declaration.
* arc-newlib-tdep.c (_initialize_arc_newlib_tdep): Add declaration.
* arc-tdep.c (_initialize_arc_tdep): Add declaration.
* arch-utils.c (_initialize_gdbarch_utils): Add declaration.
* arm-fbsd-nat.c (_initialize_arm_fbsd_nat): Add declaration.
* arm-fbsd-tdep.c (_initialize_arm_fbsd_tdep): Add declaration.
* arm-linux-nat.c (_initialize_arm_linux_nat): Add declaration.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Add declaration.
* arm-nbsd-nat.c (_initialize_arm_netbsd_nat): Add declaration.
* arm-nbsd-tdep.c (_initialize_arm_netbsd_tdep): Add declaration.
* arm-obsd-tdep.c (_initialize_armobsd_tdep): Add declaration.
* arm-pikeos-tdep.c (_initialize_arm_pikeos_tdep): Add declaration.
* arm-symbian-tdep.c (_initialize_arm_symbian_tdep): Add declaration.
* arm-tdep.c (_initialize_arm_tdep): Add declaration.
* arm-wince-tdep.c (_initialize_arm_wince_tdep): Add declaration.
* auto-load.c (_initialize_auto_load): Add declaration.
* auxv.c (_initialize_auxv): Add declaration.
* avr-tdep.c (_initialize_avr_tdep): Add declaration.
* ax-gdb.c (_initialize_ax_gdb): Add declaration.
* bfin-linux-tdep.c (_initialize_bfin_linux_tdep): Add declaration.
* bfin-tdep.c (_initialize_bfin_tdep): Add declaration.
* break-catch-sig.c (_initialize_break_catch_sig): Add declaration.
* break-catch-syscall.c (_initialize_break_catch_syscall): Add declaration.
* break-catch-throw.c (_initialize_break_catch_throw): Add declaration.
* breakpoint.c (_initialize_breakpoint): Add declaration.
* bsd-uthread.c (_initialize_bsd_uthread): Add declaration.
* btrace.c (_initialize_btrace): Add declaration.
* charset.c (_initialize_charset): Add declaration.
* cli/cli-cmds.c (_initialize_cli_cmds): Add declaration.
* cli/cli-dump.c (_initialize_cli_dump): Add declaration.
* cli/cli-interp.c (_initialize_cli_interp): Add declaration.
* cli/cli-logging.c (_initialize_cli_logging): Add declaration.
* cli/cli-script.c (_initialize_cli_script): Add declaration.
* cli/cli-style.c (_initialize_cli_style): Add declaration.
* coff-pe-read.c (_initialize_coff_pe_read): Add declaration.
* coffread.c (_initialize_coffread): Add declaration.
* compile/compile-cplus-types.c (_initialize_compile_cplus_types): Add declaration.
* compile/compile.c (_initialize_compile): Add declaration.
* complaints.c (_initialize_complaints): Add declaration.
* completer.c (_initialize_completer): Add declaration.
* copying.c (_initialize_copying): Add declaration.
* corefile.c (_initialize_core): Add declaration.
* corelow.c (_initialize_corelow): Add declaration.
* cp-abi.c (_initialize_cp_abi): Add declaration.
* cp-namespace.c (_initialize_cp_namespace): Add declaration.
* cp-support.c (_initialize_cp_support): Add declaration.
* cp-valprint.c (_initialize_cp_valprint): Add declaration.
* cris-linux-tdep.c (_initialize_cris_linux_tdep): Add declaration.
* cris-tdep.c (_initialize_cris_tdep): Add declaration.
* csky-linux-tdep.c (_initialize_csky_linux_tdep): Add declaration.
* csky-tdep.c (_initialize_csky_tdep): Add declaration.
* ctfread.c (_initialize_ctfread): Add declaration.
* d-lang.c (_initialize_d_language): Add declaration.
* darwin-nat-info.c (_initialize_darwin_info_commands): Add declaration.
* darwin-nat.c (_initialize_darwin_nat): Add declaration.
* dbxread.c (_initialize_dbxread): Add declaration.
* dcache.c (_initialize_dcache): Add declaration.
* disasm-selftests.c (_initialize_disasm_selftests): Add declaration.
* disasm.c (_initialize_disasm): Add declaration.
* dtrace-probe.c (_initialize_dtrace_probe): Add declaration.
* dummy-frame.c (_initialize_dummy_frame): Add declaration.
* dwarf-index-cache.c (_initialize_index_cache): Add declaration.
* dwarf-index-write.c (_initialize_dwarf_index_write): Add declaration.
* dwarf2-frame-tailcall.c (_initialize_tailcall_frame): Add declaration.
* dwarf2-frame.c (_initialize_dwarf2_frame): Add declaration.
* dwarf2expr.c (_initialize_dwarf2expr): Add declaration.
* dwarf2loc.c (_initialize_dwarf2loc): Add declaration.
* dwarf2read.c (_initialize_dwarf2_read): Add declaration.
* elfread.c (_initialize_elfread): Add declaration.
* exec.c (_initialize_exec): Add declaration.
* extension.c (_initialize_extension): Add declaration.
* f-lang.c (_initialize_f_language): Add declaration.
* f-valprint.c (_initialize_f_valprint): Add declaration.
* fbsd-nat.c (_initialize_fbsd_nat): Add declaration.
* fbsd-tdep.c (_initialize_fbsd_tdep): Add declaration.
* filesystem.c (_initialize_filesystem): Add declaration.
* findcmd.c (_initialize_mem_search): Add declaration.
* findvar.c (_initialize_findvar): Add declaration.
* fork-child.c (_initialize_fork_child): Add declaration.
* frame-base.c (_initialize_frame_base): Add declaration.
* frame-unwind.c (_initialize_frame_unwind): Add declaration.
* frame.c (_initialize_frame): Add declaration.
* frv-linux-tdep.c (_initialize_frv_linux_tdep): Add declaration.
* frv-tdep.c (_initialize_frv_tdep): Add declaration.
* ft32-tdep.c (_initialize_ft32_tdep): Add declaration.
* gcore.c (_initialize_gcore): Add declaration.
* gdb-demangle.c (_initialize_gdb_demangle): Add declaration.
* gdb_bfd.c (_initialize_gdb_bfd): Add declaration.
* gdbarch-selftests.c (_initialize_gdbarch_selftests): Add declaration.
* gdbarch.c (_initialize_gdbarch): Add declaration.
* gdbtypes.c (_initialize_gdbtypes): Add declaration.
* gnu-nat.c (_initialize_gnu_nat): Add declaration.
* gnu-v2-abi.c (_initialize_gnu_v2_abi): Add declaration.
* gnu-v3-abi.c (_initialize_gnu_v3_abi): Add declaration.
* go-lang.c (_initialize_go_language): Add declaration.
* go32-nat.c (_initialize_go32_nat): Add declaration.
* guile/guile.c (_initialize_guile): Add declaration.
* h8300-tdep.c (_initialize_h8300_tdep): Add declaration.
* hppa-linux-nat.c (_initialize_hppa_linux_nat): Add declaration.
* hppa-linux-tdep.c (_initialize_hppa_linux_tdep): Add declaration.
* hppa-nbsd-nat.c (_initialize_hppanbsd_nat): Add declaration.
* hppa-nbsd-tdep.c (_initialize_hppanbsd_tdep): Add declaration.
* hppa-obsd-nat.c (_initialize_hppaobsd_nat): Add declaration.
* hppa-obsd-tdep.c (_initialize_hppabsd_tdep): Add declaration.
* hppa-tdep.c (_initialize_hppa_tdep): Add declaration.
* i386-bsd-nat.c (_initialize_i386bsd_nat): Add declaration.
* i386-cygwin-tdep.c (_initialize_i386_cygwin_tdep): Add declaration.
* i386-darwin-nat.c (_initialize_i386_darwin_nat): Add declaration.
* i386-darwin-tdep.c (_initialize_i386_darwin_tdep): Add declaration.
* i386-dicos-tdep.c (_initialize_i386_dicos_tdep): Add declaration.
* i386-fbsd-nat.c (_initialize_i386fbsd_nat): Add declaration.
* i386-fbsd-tdep.c (_initialize_i386fbsd_tdep): Add declaration.
* i386-gnu-nat.c (_initialize_i386gnu_nat): Add declaration.
* i386-gnu-tdep.c (_initialize_i386gnu_tdep): Add declaration.
* i386-go32-tdep.c (_initialize_i386_go32_tdep): Add declaration.
* i386-linux-nat.c (_initialize_i386_linux_nat): Add declaration.
* i386-linux-tdep.c (_initialize_i386_linux_tdep): Add declaration.
* i386-nbsd-nat.c (_initialize_i386nbsd_nat): Add declaration.
* i386-nbsd-tdep.c (_initialize_i386nbsd_tdep): Add declaration.
* i386-nto-tdep.c (_initialize_i386nto_tdep): Add declaration.
* i386-obsd-nat.c (_initialize_i386obsd_nat): Add declaration.
* i386-obsd-tdep.c (_initialize_i386obsd_tdep): Add declaration.
* i386-sol2-nat.c (_initialize_amd64_sol2_nat): Add declaration.
* i386-sol2-tdep.c (_initialize_i386_sol2_tdep): Add declaration.
* i386-tdep.c (_initialize_i386_tdep): Add declaration.
* i386-windows-nat.c (_initialize_i386_windows_nat): Add declaration.
* ia64-libunwind-tdep.c (_initialize_libunwind_frame): Add declaration.
* ia64-linux-nat.c (_initialize_ia64_linux_nat): Add declaration.
* ia64-linux-tdep.c (_initialize_ia64_linux_tdep): Add declaration.
* ia64-tdep.c (_initialize_ia64_tdep): Add declaration.
* ia64-vms-tdep.c (_initialize_ia64_vms_tdep): Add declaration.
* infcall.c (_initialize_infcall): Add declaration.
* infcmd.c (_initialize_infcmd): Add declaration.
* inflow.c (_initialize_inflow): Add declaration.
* infrun.c (_initialize_infrun): Add declaration.
* interps.c (_initialize_interpreter): Add declaration.
* iq2000-tdep.c (_initialize_iq2000_tdep): Add declaration.
* jit.c (_initialize_jit): Add declaration.
* language.c (_initialize_language): Add declaration.
* linux-fork.c (_initialize_linux_fork): Add declaration.
* linux-nat.c (_initialize_linux_nat): Add declaration.
* linux-tdep.c (_initialize_linux_tdep): Add declaration.
* linux-thread-db.c (_initialize_thread_db): Add declaration.
* lm32-tdep.c (_initialize_lm32_tdep): Add declaration.
* m2-lang.c (_initialize_m2_language): Add declaration.
* m32c-tdep.c (_initialize_m32c_tdep): Add declaration.
* m32r-linux-nat.c (_initialize_m32r_linux_nat): Add declaration.
* m32r-linux-tdep.c (_initialize_m32r_linux_tdep): Add declaration.
* m32r-tdep.c (_initialize_m32r_tdep): Add declaration.
* m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration.
* m68k-bsd-nat.c (_initialize_m68kbsd_nat): Add declaration.
* m68k-bsd-tdep.c (_initialize_m68kbsd_tdep): Add declaration.
* m68k-linux-nat.c (_initialize_m68k_linux_nat): Add declaration.
* m68k-linux-tdep.c (_initialize_m68k_linux_tdep): Add declaration.
* m68k-tdep.c (_initialize_m68k_tdep): Add declaration.
* machoread.c (_initialize_machoread): Add declaration.
* macrocmd.c (_initialize_macrocmd): Add declaration.
* macroscope.c (_initialize_macroscope): Add declaration.
* maint-test-options.c (_initialize_maint_test_options): Add declaration.
* maint-test-settings.c (_initialize_maint_test_settings): Add declaration.
* maint.c (_initialize_maint_cmds): Add declaration.
* mdebugread.c (_initialize_mdebugread): Add declaration.
* memattr.c (_initialize_mem): Add declaration.
* mep-tdep.c (_initialize_mep_tdep): Add declaration.
* mi/mi-cmd-env.c (_initialize_mi_cmd_env): Add declaration.
* mi/mi-cmds.c (_initialize_mi_cmds): Add declaration.
* mi/mi-interp.c (_initialize_mi_interp): Add declaration.
* mi/mi-main.c (_initialize_mi_main): Add declaration.
* microblaze-linux-tdep.c (_initialize_microblaze_linux_tdep): Add declaration.
* microblaze-tdep.c (_initialize_microblaze_tdep): Add declaration.
* mips-fbsd-nat.c (_initialize_mips_fbsd_nat): Add declaration.
* mips-fbsd-tdep.c (_initialize_mips_fbsd_tdep): Add declaration.
* mips-linux-nat.c (_initialize_mips_linux_nat): Add declaration.
* mips-linux-tdep.c (_initialize_mips_linux_tdep): Add declaration.
* mips-nbsd-nat.c (_initialize_mipsnbsd_nat): Add declaration.
* mips-nbsd-tdep.c (_initialize_mipsnbsd_tdep): Add declaration.
* mips-sde-tdep.c (_initialize_mips_sde_tdep): Add declaration.
* mips-tdep.c (_initialize_mips_tdep): Add declaration.
* mips64-obsd-nat.c (_initialize_mips64obsd_nat): Add declaration.
* mips64-obsd-tdep.c (_initialize_mips64obsd_tdep): Add declaration.
* mipsread.c (_initialize_mipsread): Add declaration.
* mn10300-linux-tdep.c (_initialize_mn10300_linux_tdep): Add declaration.
* mn10300-tdep.c (_initialize_mn10300_tdep): Add declaration.
* moxie-tdep.c (_initialize_moxie_tdep): Add declaration.
* msp430-tdep.c (_initialize_msp430_tdep): Add declaration.
* nds32-tdep.c (_initialize_nds32_tdep): Add declaration.
* nios2-linux-tdep.c (_initialize_nios2_linux_tdep): Add declaration.
* nios2-tdep.c (_initialize_nios2_tdep): Add declaration.
* nto-procfs.c (_initialize_procfs): Add declaration.
* objc-lang.c (_initialize_objc_language): Add declaration.
* observable.c (_initialize_observer): Add declaration.
* opencl-lang.c (_initialize_opencl_language): Add declaration.
* or1k-linux-tdep.c (_initialize_or1k_linux_tdep): Add declaration.
* or1k-tdep.c (_initialize_or1k_tdep): Add declaration.
* osabi.c (_initialize_gdb_osabi): Add declaration.
* osdata.c (_initialize_osdata): Add declaration.
* p-valprint.c (_initialize_pascal_valprint): Add declaration.
* parse.c (_initialize_parse): Add declaration.
* ppc-fbsd-nat.c (_initialize_ppcfbsd_nat): Add declaration.
* ppc-fbsd-tdep.c (_initialize_ppcfbsd_tdep): Add declaration.
* ppc-linux-nat.c (_initialize_ppc_linux_nat): Add declaration.
* ppc-linux-tdep.c (_initialize_ppc_linux_tdep): Add declaration.
* ppc-nbsd-nat.c (_initialize_ppcnbsd_nat): Add declaration.
* ppc-nbsd-tdep.c (_initialize_ppcnbsd_tdep): Add declaration.
* ppc-obsd-nat.c (_initialize_ppcobsd_nat): Add declaration.
* ppc-obsd-tdep.c (_initialize_ppcobsd_tdep): Add declaration.
* printcmd.c (_initialize_printcmd): Add declaration.
* probe.c (_initialize_probe): Add declaration.
* proc-api.c (_initialize_proc_api): Add declaration.
* proc-events.c (_initialize_proc_events): Add declaration.
* proc-service.c (_initialize_proc_service): Add declaration.
* procfs.c (_initialize_procfs): Add declaration.
* producer.c (_initialize_producer): Add declaration.
* psymtab.c (_initialize_psymtab): Add declaration.
* python/python.c (_initialize_python): Add declaration.
* ravenscar-thread.c (_initialize_ravenscar): Add declaration.
* record-btrace.c (_initialize_record_btrace): Add declaration.
* record-full.c (_initialize_record_full): Add declaration.
* record.c (_initialize_record): Add declaration.
* regcache-dump.c (_initialize_regcache_dump): Add declaration.
* regcache.c (_initialize_regcache): Add declaration.
* reggroups.c (_initialize_reggroup): Add declaration.
* remote-notif.c (_initialize_notif): Add declaration.
* remote-sim.c (_initialize_remote_sim): Add declaration.
* remote.c (_initialize_remote): Add declaration.
* reverse.c (_initialize_reverse): Add declaration.
* riscv-fbsd-nat.c (_initialize_riscv_fbsd_nat): Add declaration.
* riscv-fbsd-tdep.c (_initialize_riscv_fbsd_tdep): Add declaration.
* riscv-linux-nat.c (_initialize_riscv_linux_nat): Add declaration.
* riscv-linux-tdep.c (_initialize_riscv_linux_tdep): Add declaration.
* riscv-tdep.c (_initialize_riscv_tdep): Add declaration.
* rl78-tdep.c (_initialize_rl78_tdep): Add declaration.
* rs6000-aix-tdep.c (_initialize_rs6000_aix_tdep): Add declaration.
* rs6000-lynx178-tdep.c (_initialize_rs6000_lynx178_tdep):
Add declaration.
* rs6000-nat.c (_initialize_rs6000_nat): Add declaration.
* rs6000-tdep.c (_initialize_rs6000_tdep): Add declaration.
* run-on-main-thread.c (_initialize_run_on_main_thread): Add declaration.
* rust-exp.y (_initialize_rust_exp): Add declaration.
* rx-tdep.c (_initialize_rx_tdep): Add declaration.
* s12z-tdep.c (_initialize_s12z_tdep): Add declaration.
* s390-linux-nat.c (_initialize_s390_nat): Add declaration.
* s390-linux-tdep.c (_initialize_s390_linux_tdep): Add declaration.
* s390-tdep.c (_initialize_s390_tdep): Add declaration.
* score-tdep.c (_initialize_score_tdep): Add declaration.
* ser-go32.c (_initialize_ser_dos): Add declaration.
* ser-mingw.c (_initialize_ser_windows): Add declaration.
* ser-pipe.c (_initialize_ser_pipe): Add declaration.
* ser-tcp.c (_initialize_ser_tcp): Add declaration.
* ser-uds.c (_initialize_ser_socket): Add declaration.
* ser-unix.c (_initialize_ser_hardwire): Add declaration.
* serial.c (_initialize_serial): Add declaration.
* sh-linux-tdep.c (_initialize_sh_linux_tdep): Add declaration.
* sh-nbsd-nat.c (_initialize_shnbsd_nat): Add declaration.
* sh-nbsd-tdep.c (_initialize_shnbsd_tdep): Add declaration.
* sh-tdep.c (_initialize_sh_tdep): Add declaration.
* skip.c (_initialize_step_skip): Add declaration.
* sol-thread.c (_initialize_sol_thread): Add declaration.
* solib-aix.c (_initialize_solib_aix): Add declaration.
* solib-darwin.c (_initialize_darwin_solib): Add declaration.
* solib-dsbt.c (_initialize_dsbt_solib): Add declaration.
* solib-frv.c (_initialize_frv_solib): Add declaration.
* solib-svr4.c (_initialize_svr4_solib): Add declaration.
* solib-target.c (_initialize_solib_target): Add declaration.
* solib.c (_initialize_solib): Add declaration.
* source-cache.c (_initialize_source_cache): Add declaration.
* source.c (_initialize_source): Add declaration.
* sparc-linux-nat.c (_initialize_sparc_linux_nat): Add declaration.
* sparc-linux-tdep.c (_initialize_sparc_linux_tdep): Add declaration.
* sparc-nat.c (_initialize_sparc_nat): Add declaration.
* sparc-nbsd-nat.c (_initialize_sparcnbsd_nat): Add declaration.
* sparc-nbsd-tdep.c (_initialize_sparcnbsd_tdep): Add declaration.
* sparc-obsd-tdep.c (_initialize_sparc32obsd_tdep): Add declaration.
* sparc-sol2-tdep.c (_initialize_sparc_sol2_tdep): Add declaration.
* sparc-tdep.c (_initialize_sparc_tdep): Add declaration.
* sparc64-fbsd-nat.c (_initialize_sparc64fbsd_nat): Add declaration.
* sparc64-fbsd-tdep.c (_initialize_sparc64fbsd_tdep): Add declaration.
* sparc64-linux-nat.c (_initialize_sparc64_linux_nat): Add declaration.
* sparc64-linux-tdep.c (_initialize_sparc64_linux_tdep): Add declaration.
* sparc64-nat.c (_initialize_sparc64_nat): Add declaration.
* sparc64-nbsd-nat.c (_initialize_sparc64nbsd_nat): Add declaration.
* sparc64-nbsd-tdep.c (_initialize_sparc64nbsd_tdep): Add declaration.
* sparc64-obsd-nat.c (_initialize_sparc64obsd_nat): Add declaration.
* sparc64-obsd-tdep.c (_initialize_sparc64obsd_tdep): Add declaration.
* sparc64-sol2-tdep.c (_initialize_sparc64_sol2_tdep): Add declaration.
* sparc64-tdep.c (_initialize_sparc64_adi_tdep): Add declaration.
* stabsread.c (_initialize_stabsread): Add declaration.
* stack.c (_initialize_stack): Add declaration.
* stap-probe.c (_initialize_stap_probe): Add declaration.
* std-regs.c (_initialize_frame_reg): Add declaration.
* symfile-debug.c (_initialize_symfile_debug): Add declaration.
* symfile-mem.c (_initialize_symfile_mem): Add declaration.
* symfile.c (_initialize_symfile): Add declaration.
* symmisc.c (_initialize_symmisc): Add declaration.
* symtab.c (_initialize_symtab): Add declaration.
* target.c (_initialize_target): Add declaration.
* target-connection.c (_initialize_target_connection): Add
declaration.
* target-dcache.c (_initialize_target_dcache): Add declaration.
* target-descriptions.c (_initialize_target_descriptions): Add declaration.
* thread.c (_initialize_thread): Add declaration.
* tic6x-linux-tdep.c (_initialize_tic6x_linux_tdep): Add declaration.
* tic6x-tdep.c (_initialize_tic6x_tdep): Add declaration.
* tilegx-linux-nat.c (_initialize_tile_linux_nat): Add declaration.
* tilegx-linux-tdep.c (_initialize_tilegx_linux_tdep): Add declaration.
* tilegx-tdep.c (_initialize_tilegx_tdep): Add declaration.
* tracectf.c (_initialize_ctf): Add declaration.
* tracefile-tfile.c (_initialize_tracefile_tfile): Add declaration.
* tracefile.c (_initialize_tracefile): Add declaration.
* tracepoint.c (_initialize_tracepoint): Add declaration.
* tui/tui-hooks.c (_initialize_tui_hooks): Add declaration.
* tui/tui-interp.c (_initialize_tui_interp): Add declaration.
* tui/tui-layout.c (_initialize_tui_layout): Add declaration.
* tui/tui-regs.c (_initialize_tui_regs): Add declaration.
* tui/tui-stack.c (_initialize_tui_stack): Add declaration.
* tui/tui-win.c (_initialize_tui_win): Add declaration.
* tui/tui.c (_initialize_tui): Add declaration.
* typeprint.c (_initialize_typeprint): Add declaration.
* ui-style.c (_initialize_ui_style): Add declaration.
* unittests/array-view-selftests.c (_initialize_array_view_selftests): Add declaration.
* unittests/child-path-selftests.c (_initialize_child_path_selftests): Add declaration.
* unittests/cli-utils-selftests.c (_initialize_cli_utils_selftests): Add declaration.
* unittests/common-utils-selftests.c (_initialize_common_utils_selftests): Add declaration.
* unittests/copy_bitwise-selftests.c (_initialize_copy_bitwise_utils_selftests): Add declaration.
* unittests/environ-selftests.c (_initialize_environ_selftests): Add declaration.
* unittests/filtered_iterator-selftests.c
(_initialize_filtered_iterator_selftests): Add declaration.
* unittests/format_pieces-selftests.c (_initialize_format_pieces_selftests): Add declaration.
* unittests/function-view-selftests.c (_initialize_function_view_selftests): Add declaration.
* unittests/help-doc-selftests.c (_initialize_help_doc_selftests): Add declaration.
* unittests/lookup_name_info-selftests.c (_initialize_lookup_name_info_selftests): Add declaration.
* unittests/main-thread-selftests.c
(_initialize_main_thread_selftests): Add declaration.
* unittests/memory-map-selftests.c (_initialize_memory_map_selftests): Add declaration.
* unittests/memrange-selftests.c (_initialize_memrange_selftests): Add declaration.
* unittests/mkdir-recursive-selftests.c (_initialize_mkdir_recursive_selftests): Add declaration.
* unittests/observable-selftests.c (_initialize_observer_selftest): Add declaration.
* unittests/offset-type-selftests.c (_initialize_offset_type_selftests): Add declaration.
* unittests/optional-selftests.c (_initialize_optional_selftests): Add declaration.
* unittests/parse-connection-spec-selftests.c (_initialize_parse_connection_spec_selftests): Add declaration.
* unittests/rsp-low-selftests.c (_initialize_rsp_low_selftests): Add declaration.
* unittests/scoped_fd-selftests.c (_initialize_scoped_fd_selftests): Add declaration.
* unittests/scoped_mmap-selftests.c (_initialize_scoped_mmap_selftests): Add declaration.
* unittests/scoped_restore-selftests.c (_initialize_scoped_restore_selftests): Add declaration.
* unittests/string_view-selftests.c (_initialize_string_view_selftests): Add declaration.
* unittests/style-selftests.c (_initialize_style_selftest): Add declaration.
* unittests/tracepoint-selftests.c (_initialize_tracepoint_selftests): Add declaration.
* unittests/tui-selftests.c (_initialize_tui_selftest): Add
declaration.
* unittests/unpack-selftests.c (_initialize_unpack_selftests): Add declaration.
* unittests/utils-selftests.c (_initialize_utils_selftests): Add declaration.
* unittests/vec-utils-selftests.c (_initialize_vec_utils_selftests): Add declaration.
* unittests/xml-utils-selftests.c (_initialize_xml_utils): Add declaration.
* user-regs.c (_initialize_user_regs): Add declaration.
* utils.c (_initialize_utils): Add declaration.
* v850-tdep.c (_initialize_v850_tdep): Add declaration.
* valops.c (_initialize_valops): Add declaration.
* valprint.c (_initialize_valprint): Add declaration.
* value.c (_initialize_values): Add declaration.
* varobj.c (_initialize_varobj): Add declaration.
* vax-bsd-nat.c (_initialize_vaxbsd_nat): Add declaration.
* vax-nbsd-tdep.c (_initialize_vaxnbsd_tdep): Add declaration.
* vax-tdep.c (_initialize_vax_tdep): Add declaration.
* windows-nat.c (_initialize_windows_nat): Add declaration.
(_initialize_check_for_gdb_ini): Add declaration.
(_initialize_loadable): Add declaration.
* windows-tdep.c (_initialize_windows_tdep): Add declaration.
* x86-bsd-nat.c (_initialize_x86_bsd_nat): Add declaration.
* x86-linux-nat.c (_initialize_x86_linux_nat): Add declaration.
* xcoffread.c (_initialize_xcoffread): Add declaration.
* xml-support.c (_initialize_xml_support): Add declaration.
* xstormy16-tdep.c (_initialize_xstormy16_tdep): Add declaration.
* xtensa-linux-nat.c (_initialize_xtensa_linux_nat): Add declaration.
* xtensa-linux-tdep.c (_initialize_xtensa_linux_tdep): Add declaration.
* xtensa-tdep.c (_initialize_xtensa_tdep): Add declaration.
Change-Id: I13eec7e0ed2b3c427377a7bdb055cf46da64def9
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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