Commit graph

5 commits

Author SHA1 Message Date
Keith Seitz
ac9b8c676e Constify target_desc declarations
This patch changes various global target_desc declarations to const, thereby
correcting a prominent source of ODR violations in PowerPC-related target code.
The majority of files/changes are mechanical const-ifications accomplished by
regenerating the C files in features/.

This also required manually updating mips-linux-tdep.h,  s390-linux-tdep.h,
nios2-tdep.h, s390-tdep.h, arch/ppc-linux-tdesc.h, arch/ppc-linux-common.c,
and rs6000-tdep.c.

Patch tested against the sourceware trybot, and fully regression tested against
our (Red Hat's) internal  test infrastructure on Rawhide aarch64, s390x, x86_64,
and powerpcle.

With this patch, I can finally enable LTO in our GDB package builds. [Tested
with a rawhide scratch build containing this patch.]

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=22395
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=24835
2022-09-29 10:00:13 -07:00
Andrew Burgess
ceb3ca2f7d gdb/nds32: update features/nds32.c
After this commit:

  commit 7b7c365c5c
  Date:   Wed Sep 15 10:10:46 2021 +0200

      [bfd] Ensure unique printable names for bfd archs

The printable name field of the default nds32 bfd_arch_info changed
from 'n1h' to 'n1'.  As a consequence the generated feature file
within GDB should have been recreated.  Recreate it now.
2022-08-14 14:54:26 +01:00
Andrew Burgess
51a948fdf0 gdb: Have allocate_target_description return a unique_ptr
Update allocate_target_description to return a target_desc_up, a
specialisation of unique_ptr.

This commit does not attempt to make use of the unique_ptr in the
best possible way, in almost all cases we immediately release the
pointer from within the unique_ptr and then continue as before.

There are a few places where it was easy to handle the unique_ptr, and
in these cases I've done that.

Everything under gdb/features/* is auto-regenerated.

There should be no user visible changes after this commit.

gdb/ChangeLog:

	* arch/aarch32.c (aarch32_create_target_description): Release
	unique_ptr returned from allocate_target_description.
	* arch/aarch64.c (aarch64_create_target_description): Likewise.
	* arch/amd64.c (amd64_create_target_description): Likewise.
	* arch/arc.c (arc_create_target_description): Likewise.
	* arch/arm.c (arm_create_target_description): Likewise.
	* arch/i386.c (i386_create_target_description): Likewise.
	* arch/riscv.c (riscv_create_target_description): Update return
	type.  Handle allocate_target_description returning a unique_ptr.
	(riscv_lookup_target_description): Update to handle unique_ptr.
	* arch/tic6x.c (tic6x_create_target_description): Release
	unique_ptr returned from allocate_target_description.
	* features/microblaze-with-stack-protect.c: Regenerate.
	* features/microblaze.c: Regenerate.
	* features/mips-dsp-linux.c: Regenerate.
	* features/mips-linux.c: Regenerate.
	* features/mips64-dsp-linux.c: Regenerate.
	* features/mips64-linux.c: Regenerate.
	* features/nds32.c: Regenerate.
	* features/nios2.c: Regenerate.
	* features/or1k.c: Regenerate.
	* features/rs6000/powerpc-32.c: Regenerate.
	* features/rs6000/powerpc-32l.c: Regenerate.
	* features/rs6000/powerpc-403.c: Regenerate.
	* features/rs6000/powerpc-403gc.c: Regenerate.
	* features/rs6000/powerpc-405.c: Regenerate.
	* features/rs6000/powerpc-505.c: Regenerate.
	* features/rs6000/powerpc-601.c: Regenerate.
	* features/rs6000/powerpc-602.c: Regenerate.
	* features/rs6000/powerpc-603.c: Regenerate.
	* features/rs6000/powerpc-604.c: Regenerate.
	* features/rs6000/powerpc-64.c: Regenerate.
	* features/rs6000/powerpc-64l.c: Regenerate.
	* features/rs6000/powerpc-7400.c: Regenerate.
	* features/rs6000/powerpc-750.c: Regenerate.
	* features/rs6000/powerpc-860.c: Regenerate.
	* features/rs6000/powerpc-altivec32.c: Regenerate.
	* features/rs6000/powerpc-altivec32l.c: Regenerate.
	* features/rs6000/powerpc-altivec64.c: Regenerate.
	* features/rs6000/powerpc-altivec64l.c: Regenerate.
	* features/rs6000/powerpc-e500.c: Regenerate.
	* features/rs6000/powerpc-e500l.c: Regenerate.
	* features/rs6000/powerpc-isa205-32l.c: Regenerate.
	* features/rs6000/powerpc-isa205-64l.c: Regenerate.
	* features/rs6000/powerpc-isa205-altivec32l.c: Regenerate.
	* features/rs6000/powerpc-isa205-altivec64l.c: Regenerate.
	* features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c: Regenerate.
	* features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c: Regenerate.
	* features/rs6000/powerpc-isa205-vsx32l.c: Regenerate.
	* features/rs6000/powerpc-isa205-vsx64l.c: Regenerate.
	* features/rs6000/powerpc-isa207-htm-vsx32l.c: Regenerate.
	* features/rs6000/powerpc-isa207-htm-vsx64l.c: Regenerate.
	* features/rs6000/powerpc-isa207-vsx32l.c: Regenerate.
	* features/rs6000/powerpc-isa207-vsx64l.c: Regenerate.
	* features/rs6000/powerpc-vsx32.c: Regenerate.
	* features/rs6000/powerpc-vsx32l.c: Regenerate.
	* features/rs6000/powerpc-vsx64.c: Regenerate.
	* features/rs6000/powerpc-vsx64l.c: Regenerate.
	* features/rs6000/rs6000.c: Regenerate.
	* features/rx.c: Regenerate.
	* features/s390-gs-linux64.c: Regenerate.
	* features/s390-linux32.c: Regenerate.
	* features/s390-linux32v1.c: Regenerate.
	* features/s390-linux32v2.c: Regenerate.
	* features/s390-linux64.c: Regenerate.
	* features/s390-linux64v1.c: Regenerate.
	* features/s390-linux64v2.c: Regenerate.
	* features/s390-te-linux64.c: Regenerate.
	* features/s390-tevx-linux64.c: Regenerate.
	* features/s390-vx-linux64.c: Regenerate.
	* features/s390x-gs-linux64.c: Regenerate.
	* features/s390x-linux64.c: Regenerate.
	* features/s390x-linux64v1.c: Regenerate.
	* features/s390x-linux64v2.c: Regenerate.
	* features/s390x-te-linux64.c: Regenerate.
	* features/s390x-tevx-linux64.c: Regenerate.
	* features/s390x-vx-linux64.c: Regenerate.
	* mips-tdep.c (_initialize_mips_tdep): Release unique_ptr returned
	from allocate_target_description.
	* target-descriptions.c (allocate_target_description): Update
	return type.
	(print_c_tdesc::visit_pre): Release unique_ptr returned from
	allocate_target_description.

gdbserver/ChangeLog:

	* linux-low.cc (linux_process_target::handle_extended_wait):
	Release the unique_ptr returned from allocate_target_description.
	* linux-riscv-low.cc (riscv_target::low_arch_setup): Likewise.
	* linux-x86-low.cc (tdesc_amd64_linux_no_xml): Change type.
	(tdesc_i386_linux_no_xml): Change type.
	(x86_linux_read_description): Borrow pointer from unique_ptr
	object.
	(x86_target::get_ipa_tdesc_idx): Likewise.
	(initialize_low_arch): Likewise.
	* tdesc.cc (allocate_target_description): Update return type.

gdbsupport/ChangeLog:

	* tdesc.h (allocate_target_description): Update return type.
2020-10-08 10:14:14 +01:00
Yao Qi
6eb1e6a8c1 Use visitor pattern for "maint print c-tdesc"
Target description can be modeled as a tree, the target description
is the root node, features are children nodes, registers and types are
grand-children nodes.  So command "maint print c-tdesc" in effect
traverse/visit each node, and print them in c.  This can be
implemented by visitor pattern, this is the first reason.  Secondly,
I want to this command prints c files in a different way for some
specific xml files, but still print c files the same way for the rest
of xml files.  Third, I even want to print xml files from target
descriptions, so that GDBserver can use it to reply GDB's query
qXfer:features:read:target.xml.

gdb:

2017-07-26  Yao Qi  <yao.qi@linaro.org>

	* target-descriptions.c (tdesc_element_visitor): New class.
	(tdesc_element): New class.
	(tdesc_reg): Inherit from tdesc_element.
	(tdesc_reg::accept): New function.
	(tdesc_type): Inherit from tdesc_element.
	(tdesc_type::accept): New function.
	(tdesc_feature): Inherit from tdesc_element.
	(tdesc_feature::accept): New function.
	(target_desc): Inherit from tdesc_element.
	(target_desc::target_desc): New.
	(target_desc::~target_desc): New.
	(target_desc::accept): New.
	(allocate_target_description): Use new.
	(free_target_description): Use delete.
	(print_c_tdesc): New class.
	(maint_print_c_tdesc_cmd): Adjust.

	* features/aarch64.c: Re-generated.
	* features/arc-arcompact.c: Re-generated.
	* features/arc-v2.c: Re-generated.
	* features/arm/arm-with-iwmmxt.c: Re-generated.
	* features/arm/arm-with-m.c: Re-generated.
	* features/arm/arm-with-m-fpa-layout.c: Re-generated.
	* features/arm/arm-with-m-vfp-d16.c: Re-generated.
	* features/arm/arm-with-neon.c: Re-generated.
	* features/arm/arm-with-vfpv2.c: Re-generated.
	* features/arm/arm-with-vfpv3.c: Re-generated.
	* features/i386/amd64-avx-avx512.c: Re-generated.
	* features/i386/amd64-avx-avx512-linux.c: Re-generated.
	* features/i386/amd64-avx.c: Re-generated.
	* features/i386/amd64-avx-linux.c: Re-generated.
	* features/i386/amd64-avx-mpx-avx512-pku.c: Re-generated.
	* features/i386/amd64-avx-mpx-avx512-pku-linux.c: Re-generated.
	* features/i386/amd64-avx-mpx.c: Re-generated.
	* features/i386/amd64-avx-mpx-linux.c: Re-generated.
	* features/i386/amd64.c: Re-generated.
	* features/i386/amd64-linux.c: Re-generated.
	* features/i386/amd64-mpx.c: Re-generated.
	* features/i386/amd64-mpx-linux.c: Re-generated.
	* features/i386/i386-avx-avx512.c: Re-generated.
	* features/i386/i386-avx-avx512-linux.c: Re-generated.
	* features/i386/i386-avx.c: Re-generated.
	* features/i386/i386-avx-linux.c: Re-generated.
	* features/i386/i386-avx-mpx-avx512-pku.c: Re-generated.
	* features/i386/i386-avx-mpx-avx512-pku-linux.c: Re-generated.
	* features/i386/i386-avx-mpx.c: Re-generated.
	* features/i386/i386-avx-mpx-linux.c: Re-generated.
	* features/i386/i386.c: Re-generated.
	* features/i386/i386-linux.c: Re-generated.
	* features/i386/i386-mmx.c: Re-generated.
	* features/i386/i386-mmx-linux.c: Re-generated.
	* features/i386/i386-mpx.c: Re-generated.
	* features/i386/i386-mpx-linux.c: Re-generated.
	* features/i386/x32-avx-avx512.c: Re-generated.
	* features/i386/x32-avx-avx512-linux.c: Re-generated.
	* features/i386/x32-avx.c: Re-generated.
	* features/i386/x32-avx-linux.c: Re-generated.
	* features/i386/x32.c: Re-generated.
	* features/i386/x32-linux.c: Re-generated.
	* features/microblaze.c: Re-generated.
	* features/microblaze-with-stack-protect.c: Re-generated.
	* features/mips64-dsp-linux.c: Re-generated.
	* features/mips64-linux.c: Re-generated.
	* features/mips-dsp-linux.c: Re-generated.
	* features/mips-linux.c: Re-generated.
	* features/nds32.c: Re-generated.
	* features/nios2.c: Re-generated.
	* features/nios2-linux.c: Re-generated.
	* features/rs6000/powerpc-32.c: Re-generated.
	* features/rs6000/powerpc-32l.c: Re-generated.
	* features/rs6000/powerpc-403.c: Re-generated.
	* features/rs6000/powerpc-403gc.c : Re-generated.
	* features/rs6000/powerpc-405.c: Re-generated.
	* features/rs6000/powerpc-505.c: Re-generated.
	* features/rs6000/powerpc-601.c: Re-generated.
	* features/rs6000/powerpc-602.c: Re-generated.
	* features/rs6000/powerpc-603.c: Re-generated.
	* features/rs6000/powerpc-604.c: Re-generated.
	* features/rs6000/powerpc-64.c: Re-generated.
	* features/rs6000/powerpc-64l.c: Re-generated.
	* features/rs6000/powerpc-7400.c: Re-generated.
	* features/rs6000/powerpc-750.c: Re-generated.
	* features/rs6000/powerpc-860.c: Re-generated.
	* features/rs6000/powerpc-altivec32.c: Re-generated.
	* features/rs6000/powerpc-altivec32l.c: Re-generated.
	* features/rs6000/powerpc-altivec64.c: Re-generated.
	* features/rs6000/powerpc-altivec64l.c: Re-generated.
	* features/rs6000/powerpc-cell32l.c: Re-generated.
	* features/rs6000/powerpc-cell64l.c: Re-generated.
	* features/rs6000/powerpc-e500.c: Re-generated.
	* features/rs6000/powerpc-e500l.c: Re-generated.
	* features/rs6000/powerpc-isa205-32l.c: Re-generated.
	* features/rs6000/powerpc-isa205-64l.c: Re-generated.
	* features/rs6000/powerpc-isa205-altivec32l.c: Re-generated.
	* features/rs6000/powerpc-isa205-altivec64l.c: Re-generated.
	* features/rs6000/powerpc-isa205-vsx32l.c: Re-generated.
	* features/rs6000/powerpc-isa205-vsx64l.c: Re-generated.
	* features/rs6000/powerpc-vsx32.c: Re-generated.
	* features/rs6000/powerpc-vsx32l.c: Re-generated.
	* features/rs6000/powerpc-vsx64.c: Re-generated.
	* features/rs6000/powerpc-vsx64l.c: Re-generated.
	* features/rs6000/rs6000.c: Re-generated.
	* features/s390-linux32.c: Re-generated.
	* features/s390-linux32v1.c: Re-generated.
	* features/s390-linux32v2.c: Re-generated.
	* features/s390-linux64.c: Re-generated.
	* features/s390-linux64v1.c: Re-generated.
	* features/s390-linux64v2.c: Re-generated.
	* features/s390-te-linux64.c: Re-generated.
	* features/s390-tevx-linux64.c: Re-generated.
	* features/s390-vx-linux64.c: Re-generated.
	* features/s390x-linux64.c: Re-generated.
	* features/s390x-linux64v1.c: Re-generated.
	* features/s390x-linux64v2.c: Re-generated.
	* features/s390x-te-linux64.c: Re-generated.
	* features/s390x-tevx-linux64.c: Re-generated.
	* features/s390x-vx-linux64.c: Re-generated.
	* features/sparc/sparc32-solaris.c: Re-generated.
	* features/sparc/sparc64-solaris.c: Re-generated.
	* features/tic6x-c62x.c: Re-generated.
	* features/tic6x-c62x-linux.c: Re-generated.
	* features/tic6x-c64x.c: Re-generated.
	* features/tic6x-c64x-linux.c: Re-generated.
	* features/tic6x-c64xp.c: Re-generated.
	* features/tic6x-c64xp-linux.c: Re-generated.
2017-07-26 12:56:54 +01:00
Yan-Ting Lin
a28d8e5037 gdb: new AndesTech NDS32 port
gdb/ChangeLog:

	* Makefile.in (ALL_TARGET_OBS): Add nds32-tdep.o.
	(HFILES_NO_SRCDIR): Add nds32-tdep.h.
	(ALLDEPFILES): Add nds32-tdep.c.
	* NEWS: Mention new NDS32 port.
	* configure.tgt: Add NDS32.
	* nds32-tdep.c: New file.
	* nds32-tdep.h: New file.
	* features/Makefile (XMLTOC): Add nds32.xml.
	* features/nds32-core.xml: New file.
	* features/nds32-fpu.xml: New file.
	* features/nds32-system.xml: New file.
	* features/nds32.c: New file (generated).
	* features/nds32.xml: New file.

gdb/doc/ChangeLog:

	* gdb.texinfo (Standard Target Features): Document NDS32 features.
	(NDS32 Features): New Section.

gdb/testsuite/ChangeLog:

	* gdb.base/float.exp: Add target check for nds32*-*-*.
	* gdb.xml/tdesc-regs.exp: Set core-regs for nds32*-*-*.
2016-06-17 16:58:05 +08:00