[GDBserver] Centralize tdesc for i386-linux
tdesc_i386_XXX_linux is used in many places in linux-x86-low.c and this patch adds a new function i386_linux_read_description to return the right tdesc according to xcr0. i386_linux_read_description is quite similar to the counterpart in GDB, and the following patch will share the duplicated code, so this patch adds arch/tdesc.h includes the declarations of various tdesc apis which are used by the shared code. The generated c feature files can include arch/tdesc.h only. gdb/gdbserver: 2017-09-05 Yao Qi <yao.qi@linaro.org> * configure.srv (srv_tgtobj): Append linux-x86-tdesc.o. (ipa_obj): Likewise. * linux-i386-ipa.c: Include common/x86-xstate.h (get_ipa_tdesc): Call i386_linux_read_description. (initialize_low_tracepoint): Don't call init_registers_XXX functions, call initialize_low_tdesc instead. * linux-x86-low.c (x86_linux_read_description): Call i386_linux_read_description. (initialize_low_arch): Don't call init_registers_i386_XXX functions, call initialize_low_tdesc. * linux-x86-tdesc.c: New file. * linux-x86-tdesc.h (x86_linux_tdesc): New X86_TDESC_LAST. (i386_get_ipa_tdesc_idx): Declare. (i386_get_ipa_tdesc): Declare. (initialize_low_tdesc): Declare. gdb: 2017-09-05 Yao Qi <yao.qi@linaro.org> * arch/tdesc.h: New file. * regformats/regdat.sh: Generate code using tdesc_create_reg. * target-descriptions.c: Update comments. * target-descriptions.h: Include "arch/tdesc.h". Remove the declarations. * features/i386/32bit-avx.c: Re-generated. * features/i386/32bit-avx512.c: Re-generated. * features/i386/32bit-core.c: Re-generated. * features/i386/32bit-linux.c: Re-generated. * features/i386/32bit-mpx.c: Re-generated. * features/i386/32bit-pkeys.c: Re-generated. * features/i386/32bit-sse.c: Re-generated.
This commit is contained in:
Yao Qi
parent
2b68ef2f11
commit
f49ff00066
21 changed files with 492 additions and 167 deletions
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@ -1,3 +1,18 @@
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2017-09-05 Yao Qi <yao.qi@linaro.org>
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* arch/tdesc.h: New file.
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* regformats/regdat.sh: Generate code using tdesc_create_reg.
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* target-descriptions.c: Update comments.
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* target-descriptions.h: Include "arch/tdesc.h". Remove the
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declarations.
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* features/i386/32bit-avx.c: Re-generated.
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* features/i386/32bit-avx512.c: Re-generated.
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* features/i386/32bit-core.c: Re-generated.
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* features/i386/32bit-linux.c: Re-generated.
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* features/i386/32bit-mpx.c: Re-generated.
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* features/i386/32bit-pkeys.c: Re-generated.
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* features/i386/32bit-sse.c: Re-generated.
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2017-09-05 Yao Qi <yao.qi@linaro.org>
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* regformats/regdat.sh: Update generated code.
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80
gdb/arch/tdesc.h
Normal file
80
gdb/arch/tdesc.h
Normal file
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@ -0,0 +1,80 @@
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/* Copyright (C) 2006-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef ARCH_TDESC_H
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#define ARCH_TDESC_H 1
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struct tdesc_feature;
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struct tdesc_type;
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struct tdesc_reg;
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struct target_desc;
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/* Return the type associated with ID in the context of FEATURE, or
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NULL if none. */
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struct tdesc_type *tdesc_named_type (const struct tdesc_feature *feature,
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const char *id);
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/* Return the created feature named NAME in target description TDESC. */
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struct tdesc_feature *tdesc_create_feature (struct target_desc *tdesc,
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const char *name);
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/* Return the created vector tdesc_type named NAME in FEATURE. */
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struct tdesc_type *tdesc_create_vector (struct tdesc_feature *feature,
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const char *name,
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struct tdesc_type *field_type,
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int count);
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/* Return the created struct tdesc_type named NAME in FEATURE. */
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struct tdesc_type *tdesc_create_struct (struct tdesc_feature *feature,
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const char *name);
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/* Return the created union tdesc_type named NAME in FEATURE. */
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struct tdesc_type *tdesc_create_union (struct tdesc_feature *feature,
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const char *name);
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/* Return the created flags tdesc_type named NAME in FEATURE. */
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struct tdesc_type *tdesc_create_flags (struct tdesc_feature *feature,
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const char *name,
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int size);
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/* Add a new field to TYPE. FIELD_NAME is its name, and FIELD_TYPE is
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its type. */
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void tdesc_add_field (struct tdesc_type *type, const char *field_name,
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struct tdesc_type *field_type);
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/* Set the total length of TYPE. Structs which contain bitfields may
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omit the reserved bits, so the end of the last field may not
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suffice. */
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void tdesc_set_struct_size (struct tdesc_type *type, int size);
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/* Add a new untyped bitfield to TYPE.
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Untyped bitfields become either uint32 or uint64 depending on the size
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of the underlying type. */
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void tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
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int start, int end);
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/* A flag is just a typed(bool) single-bit bitfield.
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This function is kept to minimize changes in generated files. */
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void tdesc_add_flag (struct tdesc_type *type, int start,
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const char *flag_name);
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/* Create a register in feature FEATURE. */
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void tdesc_create_reg (struct tdesc_feature *feature, const char *name,
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int regnum, int save_restore, const char *group,
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int bitsize, const char *type);
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#endif /* ARCH_TDESC_H */
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@ -1,7 +1,7 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: 32bit-avx.xml */
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#include "target-descriptions.h"
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#include "arch/tdesc.h"
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static int
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create_feature_i386_32bit_avx (struct target_desc *result, long regnum)
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@ -1,7 +1,7 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: 32bit-avx512.xml */
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#include "target-descriptions.h"
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#include "arch/tdesc.h"
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static int
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create_feature_i386_32bit_avx512 (struct target_desc *result, long regnum)
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@ -1,7 +1,7 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: 32bit-core.xml */
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#include "target-descriptions.h"
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#include "arch/tdesc.h"
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static int
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create_feature_i386_32bit_core (struct target_desc *result, long regnum)
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@ -1,7 +1,7 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: 32bit-linux.xml */
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#include "target-descriptions.h"
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#include "arch/tdesc.h"
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static int
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create_feature_i386_32bit_linux (struct target_desc *result, long regnum)
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@ -1,7 +1,7 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: 32bit-mpx.xml */
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#include "target-descriptions.h"
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#include "arch/tdesc.h"
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static int
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create_feature_i386_32bit_mpx (struct target_desc *result, long regnum)
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@ -1,7 +1,7 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: 32bit-pkeys.xml */
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#include "target-descriptions.h"
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#include "arch/tdesc.h"
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static int
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create_feature_i386_32bit_pkeys (struct target_desc *result, long regnum)
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@ -1,7 +1,7 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: 32bit-sse.xml */
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#include "target-descriptions.h"
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#include "arch/tdesc.h"
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static int
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create_feature_i386_32bit_sse (struct target_desc *result, long regnum)
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@ -1,3 +1,21 @@
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2017-09-05 Yao Qi <yao.qi@linaro.org>
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* configure.srv (srv_tgtobj): Append linux-x86-tdesc.o.
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(ipa_obj): Likewise.
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* linux-i386-ipa.c: Include common/x86-xstate.h
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(get_ipa_tdesc): Call i386_linux_read_description.
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(initialize_low_tracepoint): Don't call init_registers_XXX
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functions, call initialize_low_tdesc instead.
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* linux-x86-low.c (x86_linux_read_description): Call
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i386_linux_read_description.
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(initialize_low_arch): Don't call init_registers_i386_XXX
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functions, call initialize_low_tdesc.
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* linux-x86-tdesc.c: New file.
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* linux-x86-tdesc.h (x86_linux_tdesc): New X86_TDESC_LAST.
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(i386_get_ipa_tdesc_idx): Declare.
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(i386_get_ipa_tdesc): Declare.
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(initialize_low_tdesc): Declare.
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2017-09-05 Yao Qi <yao.qi@linaro.org>
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* linux-x86-low.c (x86_get_ipa_tdesc_idx): Use X86_TDESC_MMX
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@ -123,13 +123,14 @@ case "${target}" in
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srv_tgtobj="amd64-linux-siginfo.o"
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fi
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srv_tgtobj="${srv_tgtobj} $srv_linux_obj linux-x86-low.o x86-low.o x86-dregs.o i387-fp.o"
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srv_tgtobj="${srv_tgtobj} linux-x86-tdesc.o"
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srv_tgtobj="${srv_tgtobj} linux-btrace.o x86-linux.o"
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srv_tgtobj="${srv_tgtobj} x86-linux-dregs.o"
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srv_linux_usrregs=yes
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srv_linux_regsets=yes
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srv_linux_thread_db=yes
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srv_linux_btrace=yes
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ipa_obj="${ipa_i386_linux_regobj} linux-i386-ipa.o"
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ipa_obj="${ipa_i386_linux_regobj} linux-i386-ipa.o linux-x86-tdesc-ipa.o"
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;;
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i[34567]86-*-lynxos*) srv_regobj="i386.o"
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srv_tgtobj="lynx-low.o lynx-i386-low.o fork-child.o fork-inferior.o"
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@ -357,6 +358,7 @@ case "${target}" in
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;;
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x86_64-*-linux*) srv_regobj="$srv_amd64_linux_regobj $srv_i386_linux_regobj"
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srv_tgtobj="$srv_linux_obj linux-x86-low.o x86-low.o x86-dregs.o i387-fp.o"
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srv_tgtobj="${srv_tgtobj} linux-x86-tdesc.o"
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srv_tgtobj="${srv_tgtobj} linux-btrace.o x86-linux.o"
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srv_tgtobj="${srv_tgtobj} x86-linux-dregs.o"
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srv_tgtobj="${srv_tgtobj} amd64-linux-siginfo.o"
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@ -370,7 +372,7 @@ case "${target}" in
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else
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ipa_obj="${ipa_amd64_linux_regobj}"
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fi
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ipa_obj="${ipa_obj} linux-amd64-ipa.o"
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ipa_obj="${ipa_obj} linux-amd64-ipa.o linux-x86-tdesc-ipa.o"
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;;
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x86_64-*-mingw*) srv_regobj="$srv_amd64_regobj"
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srv_tgtobj="x86-low.o x86-dregs.o i387-fp.o win32-low.o win32-i386-low.o"
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@ -22,6 +22,7 @@
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#include <sys/mman.h>
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#include "tracepoint.h"
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#include "linux-x86-tdesc.h"
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#include "common/x86-xstate.h"
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/* GDB register numbers. */
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@ -250,27 +251,24 @@ initialize_fast_tracepoint_trampoline_buffer (void)
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const struct target_desc *
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get_ipa_tdesc (int idx)
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{
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switch (idx)
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if (idx >= X86_TDESC_LAST)
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{
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case X86_TDESC_MMX:
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return tdesc_i386_mmx_linux;
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case X86_TDESC_SSE:
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return tdesc_i386_linux;
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case X86_TDESC_AVX:
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return tdesc_i386_avx_linux;
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case X86_TDESC_MPX:
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return tdesc_i386_mpx_linux;
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case X86_TDESC_AVX_MPX:
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return tdesc_i386_avx_mpx_linux;
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case X86_TDESC_AVX_AVX512:
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return tdesc_i386_avx_avx512_linux;
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case X86_TDESC_AVX_MPX_AVX512_PKU:
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return tdesc_i386_avx_mpx_avx512_pku_linux;
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default:
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internal_error (__FILE__, __LINE__,
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"unknown ipa tdesc index: %d", idx);
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return tdesc_i386_linux;
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}
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/* Map the tdesc index to xcr0 mask. */
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uint64_t idx2mask[X86_TDESC_LAST] = {
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X86_XSTATE_X87_MASK,
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X86_XSTATE_SSE_MASK,
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X86_XSTATE_AVX_MASK,
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X86_XSTATE_MPX_MASK,
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X86_XSTATE_AVX_MPX_MASK,
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X86_XSTATE_AVX_AVX512_MASK,
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X86_XSTATE_AVX_MPX_AVX512_PKU_MASK,
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};
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return i386_linux_read_description (idx2mask[idx]);
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}
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/* Allocate buffer for the jump pads. On i386, we can reach an arbitrary
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@ -291,12 +289,7 @@ alloc_jump_pad_buffer (size_t size)
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void
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initialize_low_tracepoint (void)
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{
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init_registers_i386_mmx_linux ();
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init_registers_i386_linux ();
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init_registers_i386_avx_linux ();
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init_registers_i386_mpx_linux ();
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init_registers_i386_avx_avx512_linux ();
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init_registers_i386_avx_mpx_avx512_pku_linux ();
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initialize_low_tdesc ();
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initialize_fast_tracepoint_trampoline_buffer ();
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}
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@ -757,7 +757,7 @@ x86_linux_read_description (void)
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{
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have_ptrace_getfpxregs = 0;
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have_ptrace_getregset = 0;
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return tdesc_i386_mmx_linux;
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return i386_linux_read_description (X86_XSTATE_X87);
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}
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else
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have_ptrace_getfpxregs = 1;
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@ -873,31 +873,15 @@ x86_linux_read_description (void)
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}
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else
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{
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const target_desc *tdesc = NULL;
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if (xcr0_features)
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{
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switch (xcr0 & X86_XSTATE_ALL_MASK)
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{
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case X86_XSTATE_AVX_MPX_AVX512_PKU_MASK:
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return tdesc_i386_avx_mpx_avx512_pku_linux;
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tdesc = i386_linux_read_description (xcr0 & X86_XSTATE_ALL_MASK);
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case (X86_XSTATE_AVX_AVX512_MASK):
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return tdesc_i386_avx_avx512_linux;
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if (tdesc == NULL)
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tdesc = i386_linux_read_description (X86_XSTATE_SSE);
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case (X86_XSTATE_MPX_MASK):
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return tdesc_i386_mpx_linux;
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case (X86_XSTATE_AVX_MPX_MASK):
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return tdesc_i386_avx_mpx_linux;
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case (X86_XSTATE_AVX_MASK):
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return tdesc_i386_avx_linux;
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default:
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return tdesc_i386_linux;
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}
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}
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else
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return tdesc_i386_linux;
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return tdesc;
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}
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gdb_assert_not_reached ("failed to return tdesc");
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@ -2912,23 +2896,10 @@ x86_get_ipa_tdesc_idx (void)
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return X86_TDESC_AVX_AVX512;
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#endif
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if (tdesc == tdesc_i386_mmx_linux)
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return X86_TDESC_MMX;
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if (tdesc == tdesc_i386_linux || tdesc == tdesc_i386_linux_no_xml)
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if (tdesc == tdesc_i386_linux_no_xml)
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return X86_TDESC_SSE;
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if (tdesc == tdesc_i386_avx_linux)
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return X86_TDESC_AVX;
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if (tdesc == tdesc_i386_mpx_linux)
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return X86_TDESC_MPX;
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if (tdesc == tdesc_i386_avx_mpx_linux)
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return X86_TDESC_AVX_MPX;
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if (tdesc == tdesc_i386_avx_mpx_avx512_pku_linux)
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return X86_TDESC_AVX_MPX_AVX512_PKU;
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if (tdesc == tdesc_i386_avx_avx512_linux)
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return X86_TDESC_AVX_AVX512;
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/* If none tdesc is found, return the one with minimum features. */
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return X86_TDESC_MMX;
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return i386_get_ipa_tdesc_idx (tdesc);
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}
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/* This is initialized assuming an amd64 target.
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@ -2997,16 +2968,12 @@ initialize_low_arch (void)
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copy_target_description (tdesc_amd64_linux_no_xml, tdesc_amd64_linux);
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tdesc_amd64_linux_no_xml->xmltarget = xmltarget_amd64_linux_no_xml;
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#endif
|
||||
init_registers_i386_linux ();
|
||||
init_registers_i386_mmx_linux ();
|
||||
init_registers_i386_avx_linux ();
|
||||
init_registers_i386_mpx_linux ();
|
||||
init_registers_i386_avx_mpx_linux ();
|
||||
init_registers_i386_avx_avx512_linux ();
|
||||
init_registers_i386_avx_mpx_avx512_pku_linux ();
|
||||
|
||||
initialize_low_tdesc ();
|
||||
|
||||
tdesc_i386_linux_no_xml = XNEW (struct target_desc);
|
||||
copy_target_description (tdesc_i386_linux_no_xml, tdesc_i386_linux);
|
||||
copy_target_description (tdesc_i386_linux_no_xml,
|
||||
i386_linux_read_description (X86_XSTATE_SSE_MASK));
|
||||
tdesc_i386_linux_no_xml->xmltarget = xmltarget_i386_linux_no_xml;
|
||||
|
||||
initialize_regsets_info (&x86_regsets_info);
|
||||
|
|
|
|||
177
gdb/gdbserver/linux-x86-tdesc.c
Normal file
177
gdb/gdbserver/linux-x86-tdesc.c
Normal file
|
|
@ -0,0 +1,177 @@
|
|||
/* GNU/Linux/x86-64 specific target description, for the remote server
|
||||
for GDB.
|
||||
Copyright (C) 2017 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include "server.h"
|
||||
#include "tdesc.h"
|
||||
#include "linux-x86-tdesc.h"
|
||||
#include "x86-xstate.h"
|
||||
#include <inttypes.h>
|
||||
|
||||
#if defined __i386__ || !defined IN_PROCESS_AGENT
|
||||
#include "../features/i386/32bit-core.c"
|
||||
#include "../features/i386/32bit-linux.c"
|
||||
#include "../features/i386/32bit-sse.c"
|
||||
#include "../features/i386/32bit-avx.c"
|
||||
#include "../features/i386/32bit-avx512.c"
|
||||
#include "../features/i386/32bit-mpx.c"
|
||||
#include "../features/i386/32bit-pkeys.c"
|
||||
|
||||
/* Defined in auto-generated file i386-linux.c. */
|
||||
void init_registers_i386_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-mmx-linux.c. */
|
||||
void init_registers_i386_mmx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_mmx_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-linux.c. */
|
||||
void init_registers_i386_avx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-mpx-linux.c. */
|
||||
void init_registers_i386_avx_mpx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_mpx_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-avx512-linux.c. */
|
||||
void init_registers_i386_avx_avx512_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_avx512_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-mpx-avx512-linux.c. */
|
||||
void init_registers_i386_avx_mpx_avx512_pku_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_mpx_avx512_pku_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-mpx-linux.c. */
|
||||
void init_registers_i386_mpx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_mpx_linux;
|
||||
#endif
|
||||
|
||||
static struct target_desc *i386_tdescs[X86_TDESC_LAST] = { };
|
||||
|
||||
void
|
||||
initialize_low_tdesc ()
|
||||
{
|
||||
#if defined __i386__ || !defined IN_PROCESS_AGENT
|
||||
init_registers_i386_linux ();
|
||||
init_registers_i386_mmx_linux ();
|
||||
init_registers_i386_avx_linux ();
|
||||
init_registers_i386_mpx_linux ();
|
||||
init_registers_i386_avx_mpx_linux ();
|
||||
init_registers_i386_avx_avx512_linux ();
|
||||
init_registers_i386_avx_mpx_avx512_pku_linux ();
|
||||
#endif
|
||||
}
|
||||
|
||||
#if defined __i386__ || !defined IN_PROCESS_AGENT
|
||||
|
||||
/* Return the target description according to XCR0. */
|
||||
|
||||
const struct target_desc *
|
||||
i386_linux_read_description (uint64_t xcr0)
|
||||
{
|
||||
struct target_desc **tdesc = NULL;
|
||||
|
||||
if (xcr0 & X86_XSTATE_PKRU)
|
||||
tdesc = &i386_tdescs[X86_TDESC_AVX_MPX_AVX512_PKU];
|
||||
else if (xcr0 & X86_XSTATE_AVX512)
|
||||
tdesc = &i386_tdescs[X86_TDESC_AVX_AVX512];
|
||||
else if ((xcr0 & X86_XSTATE_AVX_MPX_MASK) == X86_XSTATE_AVX_MPX_MASK)
|
||||
tdesc = &i386_tdescs[X86_TDESC_AVX_MPX];
|
||||
else if (xcr0 & X86_XSTATE_MPX)
|
||||
tdesc = &i386_tdescs[X86_TDESC_MPX];
|
||||
else if (xcr0 & X86_XSTATE_AVX)
|
||||
tdesc = &i386_tdescs[X86_TDESC_AVX];
|
||||
else if (xcr0 & X86_XSTATE_SSE)
|
||||
tdesc = &i386_tdescs[X86_TDESC_SSE];
|
||||
else if (xcr0 & X86_XSTATE_X87)
|
||||
tdesc = &i386_tdescs[X86_TDESC_MMX];
|
||||
|
||||
if (tdesc == NULL)
|
||||
return NULL;
|
||||
|
||||
if (*tdesc == NULL)
|
||||
{
|
||||
*tdesc = new target_desc ();
|
||||
|
||||
long regnum = 0;
|
||||
|
||||
if (xcr0 & X86_XSTATE_X87)
|
||||
regnum = create_feature_i386_32bit_core (*tdesc, regnum);
|
||||
|
||||
if (xcr0 & X86_XSTATE_SSE)
|
||||
regnum = create_feature_i386_32bit_sse (*tdesc, regnum);
|
||||
|
||||
regnum = create_feature_i386_32bit_linux (*tdesc, regnum);
|
||||
|
||||
if (xcr0 & X86_XSTATE_AVX)
|
||||
regnum = create_feature_i386_32bit_avx (*tdesc, regnum);
|
||||
|
||||
if (xcr0 & X86_XSTATE_MPX)
|
||||
regnum = create_feature_i386_32bit_mpx (*tdesc, regnum);
|
||||
|
||||
if (xcr0 & X86_XSTATE_AVX512)
|
||||
regnum = create_feature_i386_32bit_avx512 (*tdesc, regnum);
|
||||
|
||||
if (xcr0 & X86_XSTATE_PKRU)
|
||||
regnum = create_feature_i386_32bit_pkeys (*tdesc, regnum);
|
||||
|
||||
init_target_desc (*tdesc);
|
||||
|
||||
#ifndef IN_PROCESS_AGENT
|
||||
static const char *expedite_regs_i386[] = { "ebp", "esp", "eip", NULL };
|
||||
(*tdesc)->expedite_regs = expedite_regs_i386;
|
||||
|
||||
if (xcr0 & X86_XSTATE_PKRU)
|
||||
(*tdesc)->xmltarget = "i386-avx-mpx-avx512-pku-linux.xml";
|
||||
else if (xcr0 & X86_XSTATE_AVX512)
|
||||
(*tdesc)->xmltarget = "i386-avx-avx512-linux.xml";
|
||||
else if ((xcr0 & X86_XSTATE_AVX_MPX_MASK) == X86_XSTATE_AVX_MPX_MASK)
|
||||
(*tdesc)->xmltarget = "i386-avx-mpx-linux.xml";
|
||||
else if (xcr0 & X86_XSTATE_MPX)
|
||||
(*tdesc)->xmltarget = "i386-mpx-linux.xml";
|
||||
else if (xcr0 & X86_XSTATE_AVX)
|
||||
(*tdesc)->xmltarget = "i386-avx-linux.xml";
|
||||
else if (xcr0 & X86_XSTATE_SSE)
|
||||
(*tdesc)->xmltarget = "i386-linux.xml";
|
||||
else if (xcr0 & X86_XSTATE_X87)
|
||||
(*tdesc)->xmltarget = "i386-mmx-linux.xml";
|
||||
else
|
||||
internal_error (__FILE__, __LINE__,
|
||||
"unknown xcr0: %" PRIu64, xcr0);
|
||||
#endif
|
||||
}
|
||||
|
||||
return *tdesc;;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef IN_PROCESS_AGENT
|
||||
int
|
||||
i386_get_ipa_tdesc_idx (const struct target_desc *tdesc)
|
||||
{
|
||||
for (int i = 0; i < X86_TDESC_LAST; i++)
|
||||
{
|
||||
if (tdesc == i386_tdescs[i])
|
||||
return i;
|
||||
}
|
||||
|
||||
/* If none tdesc is found, return the one with minimum features. */
|
||||
return X86_TDESC_MMX;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -30,6 +30,7 @@ enum x86_linux_tdesc {
|
|||
X86_TDESC_AVX_MPX = 4,
|
||||
X86_TDESC_AVX_AVX512 = 5,
|
||||
X86_TDESC_AVX_MPX_AVX512_PKU = 6,
|
||||
X86_TDESC_LAST = 7,
|
||||
};
|
||||
|
||||
#ifdef __x86_64__
|
||||
|
|
@ -77,31 +78,9 @@ extern const struct target_desc *tdesc_x32_avx_avx512_linux;
|
|||
#endif
|
||||
|
||||
#if defined __i386__ || !defined IN_PROCESS_AGENT
|
||||
/* Defined in auto-generated file i386-linux.c. */
|
||||
void init_registers_i386_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-mmx-linux.c. */
|
||||
void init_registers_i386_mmx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_mmx_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-linux.c. */
|
||||
void init_registers_i386_avx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-mpx-linux.c. */
|
||||
void init_registers_i386_avx_mpx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_mpx_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-avx512-linux.c. */
|
||||
void init_registers_i386_avx_avx512_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_avx512_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-avx-mpx-avx512-linux.c. */
|
||||
void init_registers_i386_avx_mpx_avx512_pku_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_avx_mpx_avx512_pku_linux;
|
||||
|
||||
/* Defined in auto-generated file i386-mpx-linux.c. */
|
||||
void init_registers_i386_mpx_linux (void);
|
||||
extern const struct target_desc *tdesc_i386_mpx_linux;
|
||||
int i386_get_ipa_tdesc_idx (const struct target_desc *tdesc);
|
||||
#endif
|
||||
|
||||
const struct target_desc *i386_linux_read_description (uint64_t xcr0);
|
||||
|
||||
void initialize_low_tdesc ();
|
||||
|
|
|
|||
|
|
@ -41,7 +41,7 @@ init_target_desc (struct target_desc *tdesc)
|
|||
|
||||
#ifndef IN_PROCESS_AGENT
|
||||
|
||||
static const struct target_desc default_description = { NULL, 0, NULL, NULL };
|
||||
static const struct target_desc default_description {};
|
||||
|
||||
void
|
||||
copy_target_description (struct target_desc *dest,
|
||||
|
|
@ -61,5 +61,111 @@ current_target_desc (void)
|
|||
|
||||
return current_process ()->tdesc;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
struct tdesc_type
|
||||
{};
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_feature *
|
||||
tdesc_create_feature (struct target_desc *tdesc, const char *name)
|
||||
{
|
||||
return tdesc;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_flags (struct tdesc_feature *feature, const char *name,
|
||||
int size)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_flag (struct tdesc_type *type, int start,
|
||||
const char *flag_name)
|
||||
{}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_named_type (const struct tdesc_feature *feature, const char *id)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_union (struct tdesc_feature *feature, const char *id)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_struct (struct tdesc_feature *feature, const char *id)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_create_reg (struct tdesc_feature *feature, const char *name,
|
||||
int regnum, int save_restore, const char *group,
|
||||
int bitsize, const char *type)
|
||||
{
|
||||
struct target_desc *tdesc = (struct target_desc *) feature;
|
||||
|
||||
while (VEC_length (tdesc_reg_p, tdesc->reg_defs) < regnum)
|
||||
{
|
||||
struct reg *reg = XCNEW (struct reg);
|
||||
|
||||
reg->name = "";
|
||||
reg->size = 0;
|
||||
VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg);
|
||||
}
|
||||
|
||||
gdb_assert (regnum == 0
|
||||
|| regnum == VEC_length (tdesc_reg_p, tdesc->reg_defs));
|
||||
|
||||
struct reg *reg = XCNEW (struct reg);
|
||||
|
||||
reg->name = name;
|
||||
reg->size = bitsize;
|
||||
VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg);
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_vector (struct tdesc_feature *feature, const char *name,
|
||||
struct tdesc_type *field_type, int count)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void
|
||||
tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
|
||||
int start, int end)
|
||||
{}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_field (struct tdesc_type *type, const char *field_name,
|
||||
struct tdesc_type *field_type)
|
||||
{}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_set_struct_size (struct tdesc_type *type, int size)
|
||||
{
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,14 +19,20 @@
|
|||
#ifndef TDESC_H
|
||||
#define TDESC_H
|
||||
|
||||
#include "arch/tdesc.h"
|
||||
|
||||
struct reg;
|
||||
|
||||
typedef struct reg *tdesc_reg_p;
|
||||
DEF_VEC_P(tdesc_reg_p);
|
||||
|
||||
/* A target description. */
|
||||
struct tdesc_feature
|
||||
{};
|
||||
|
||||
struct target_desc
|
||||
/* A target description. Inherit from tdesc_feature so that target_desc
|
||||
can be used as tdesc_feature. */
|
||||
|
||||
struct target_desc : tdesc_feature
|
||||
{
|
||||
/* A vector of elements of register definitions that
|
||||
describe the inferior's register set. */
|
||||
|
|
@ -38,13 +44,28 @@ struct target_desc
|
|||
#ifndef IN_PROCESS_AGENT
|
||||
/* An array of register names. These are the "expedite" registers:
|
||||
registers whose values are sent along with stop replies. */
|
||||
const char **expedite_regs;
|
||||
const char **expedite_regs = NULL;
|
||||
|
||||
/* Defines what to return when looking for the "target.xml" file in
|
||||
response to qXfer:features:read. Its contents can either be
|
||||
verbatim XML code (prefixed with a '@') or else the name of the
|
||||
actual XML file to be used in place of "target.xml". */
|
||||
const char *xmltarget;
|
||||
const char *xmltarget = NULL;
|
||||
|
||||
public:
|
||||
target_desc ()
|
||||
: reg_defs (NULL), registers_size (0)
|
||||
{}
|
||||
|
||||
~target_desc ()
|
||||
{
|
||||
int i;
|
||||
struct reg *reg;
|
||||
|
||||
for (i = 0; VEC_iterate (tdesc_reg_p, reg_defs, i, reg); i++)
|
||||
xfree (reg);
|
||||
VEC_free (tdesc_reg_p, reg_defs);
|
||||
}
|
||||
#endif
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -53,6 +53,7 @@
|
|||
#include "features/i386/32bit-mpx.c"
|
||||
#include "features/i386/32bit-avx512.c"
|
||||
#include "features/i386/32bit-pkeys.c"
|
||||
#include "target-descriptions.h"
|
||||
|
||||
/* Return non-zero, when the register is in the corresponding register
|
||||
group. Put the LINUX_ORIG_EAX register in the system group. */
|
||||
|
|
|
|||
|
|
@ -131,7 +131,6 @@ do
|
|||
echo "{"
|
||||
echo " static struct target_desc tdesc_${name}_s;"
|
||||
echo " struct target_desc *result = &tdesc_${name}_s;"
|
||||
echo " memset (result, 0, sizeof (*result));"
|
||||
|
||||
continue
|
||||
elif test "${type}" = "xmltarget"; then
|
||||
|
|
@ -150,12 +149,9 @@ do
|
|||
echo "$0: $1 does not specify \`\`name''." 1>&2
|
||||
exit 1
|
||||
else
|
||||
echo " {struct reg *reg = XCNEW (struct reg);"
|
||||
echo " reg->name = \"${entry}\";"
|
||||
echo " reg->offset = ${offset};"
|
||||
echo " reg->size = ${type};"
|
||||
echo " VEC_safe_push (tdesc_reg_p, result->reg_defs, reg);"
|
||||
echo " };"
|
||||
echo " tdesc_create_reg ((struct tdesc_feature *) result, \"${entry}\","
|
||||
echo " 0, 0, NULL, ${type}, NULL);"
|
||||
|
||||
offset=`expr ${offset} + ${type}`
|
||||
i=`expr $i + 1`
|
||||
fi
|
||||
|
|
|
|||
|
|
@ -846,8 +846,7 @@ tdesc_predefined_type (enum tdesc_type_kind kind)
|
|||
gdb_assert_not_reached ("bad predefined tdesc type");
|
||||
}
|
||||
|
||||
/* Return the type associated with ID in the context of FEATURE, or
|
||||
NULL if none. */
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_named_type (const struct tdesc_feature *feature, const char *id)
|
||||
|
|
@ -1566,6 +1565,8 @@ tdesc_use_registers (struct gdbarch *gdbarch,
|
|||
}
|
||||
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_create_reg (struct tdesc_feature *feature, const char *name,
|
||||
int regnum, int save_restore, const char *group,
|
||||
|
|
@ -1577,6 +1578,8 @@ tdesc_create_reg (struct tdesc_feature *feature, const char *name,
|
|||
VEC_safe_push (tdesc_reg_p, feature->registers, reg);
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_vector (struct tdesc_feature *feature, const char *name,
|
||||
struct tdesc_type *field_type, int count)
|
||||
|
|
@ -1590,6 +1593,8 @@ tdesc_create_vector (struct tdesc_feature *feature, const char *name,
|
|||
return type;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_struct (struct tdesc_feature *feature, const char *name)
|
||||
{
|
||||
|
|
@ -1599,9 +1604,7 @@ tdesc_create_struct (struct tdesc_feature *feature, const char *name)
|
|||
return type;
|
||||
}
|
||||
|
||||
/* Set the total length of TYPE. Structs which contain bitfields may
|
||||
omit the reserved bits, so the end of the last field may not
|
||||
suffice. */
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_set_struct_size (struct tdesc_type *type, int size)
|
||||
|
|
@ -1611,6 +1614,8 @@ tdesc_set_struct_size (struct tdesc_type *type, int size)
|
|||
type->u.u.size = size;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_union (struct tdesc_feature *feature, const char *name)
|
||||
{
|
||||
|
|
@ -1620,6 +1625,8 @@ tdesc_create_union (struct tdesc_feature *feature, const char *name)
|
|||
return type;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_flags (struct tdesc_feature *feature, const char *name,
|
||||
int size)
|
||||
|
|
@ -1648,7 +1655,7 @@ tdesc_create_enum (struct tdesc_feature *feature, const char *name,
|
|||
return type;
|
||||
}
|
||||
|
||||
/* Add a new field to TYPE. */
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_field (struct tdesc_type *type, const char *field_name,
|
||||
|
|
@ -1669,8 +1676,6 @@ tdesc_add_field (struct tdesc_type *type, const char *field_name,
|
|||
VEC_safe_push (tdesc_type_field, type->u.u.fields, &f);
|
||||
}
|
||||
|
||||
/* Add a new typed bitfield to TYPE. */
|
||||
|
||||
void
|
||||
tdesc_add_typed_bitfield (struct tdesc_type *type, const char *field_name,
|
||||
int start, int end, struct tdesc_type *field_type)
|
||||
|
|
@ -1689,9 +1694,7 @@ tdesc_add_typed_bitfield (struct tdesc_type *type, const char *field_name,
|
|||
VEC_safe_push (tdesc_type_field, type->u.u.fields, &f);
|
||||
}
|
||||
|
||||
/* Add a new untyped bitfield to TYPE.
|
||||
Untyped bitfields become either uint32 or uint64 depending on the size
|
||||
of the underlying type. */
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
|
||||
|
|
@ -1709,8 +1712,7 @@ tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
|
|||
tdesc_add_typed_bitfield (type, field_name, start, end, field_type);
|
||||
}
|
||||
|
||||
/* A flag is just a typed(bool) single-bit bitfield.
|
||||
This function is kept to minimize changes in generated files. */
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_flag (struct tdesc_type *type, int start,
|
||||
|
|
@ -1745,6 +1747,8 @@ tdesc_add_enum_value (struct tdesc_type *type, int value,
|
|||
VEC_safe_push (tdesc_type_field, type->u.u.fields, &f);
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_feature *
|
||||
tdesc_create_feature (struct target_desc *tdesc, const char *name)
|
||||
{
|
||||
|
|
@ -2175,7 +2179,7 @@ public:
|
|||
printf_unfiltered (" Original: %s */\n\n",
|
||||
lbasename (m_filename_after_features.c_str ()));
|
||||
|
||||
printf_unfiltered ("#include \"target-descriptions.h\"\n");
|
||||
printf_unfiltered ("#include \"arch/tdesc.h\"\n");
|
||||
printf_unfiltered ("\n");
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -21,14 +21,10 @@
|
|||
|
||||
#ifndef TARGET_DESCRIPTIONS_H
|
||||
#define TARGET_DESCRIPTIONS_H 1
|
||||
#include "arch/tdesc.h"
|
||||
|
||||
struct tdesc_feature;
|
||||
struct tdesc_arch_data;
|
||||
struct tdesc_type;
|
||||
struct tdesc_reg;
|
||||
struct target_desc;
|
||||
struct target_ops;
|
||||
struct target_desc;
|
||||
/* An inferior's target description info is stored in this opaque
|
||||
object. There's one such object per inferior. */
|
||||
struct target_desc_info;
|
||||
|
|
@ -182,12 +178,6 @@ const struct tdesc_feature *tdesc_find_feature (const struct target_desc *,
|
|||
|
||||
const char *tdesc_feature_name (const struct tdesc_feature *feature);
|
||||
|
||||
/* Return the type associated with ID in the context of FEATURE, or
|
||||
NULL if none. */
|
||||
|
||||
struct tdesc_type *tdesc_named_type (const struct tdesc_feature *feature,
|
||||
const char *id);
|
||||
|
||||
/* Return the name of register REGNO, from the target description or
|
||||
from an architecture-provided pseudo_register_name method. */
|
||||
|
||||
|
|
@ -220,38 +210,14 @@ void set_tdesc_property (struct target_desc *,
|
|||
const char *key, const char *value);
|
||||
void tdesc_add_compatible (struct target_desc *,
|
||||
const struct bfd_arch_info *);
|
||||
|
||||
struct tdesc_feature *tdesc_create_feature (struct target_desc *tdesc,
|
||||
const char *name);
|
||||
struct tdesc_type *tdesc_create_vector (struct tdesc_feature *feature,
|
||||
const char *name,
|
||||
struct tdesc_type *field_type,
|
||||
int count);
|
||||
struct tdesc_type *tdesc_create_struct (struct tdesc_feature *feature,
|
||||
const char *name);
|
||||
void tdesc_set_struct_size (struct tdesc_type *type, int size);
|
||||
struct tdesc_type *tdesc_create_union (struct tdesc_feature *feature,
|
||||
const char *name);
|
||||
struct tdesc_type *tdesc_create_flags (struct tdesc_feature *feature,
|
||||
const char *name,
|
||||
int size);
|
||||
struct tdesc_type *tdesc_create_enum (struct tdesc_feature *feature,
|
||||
const char *name,
|
||||
int size);
|
||||
void tdesc_add_field (struct tdesc_type *type, const char *field_name,
|
||||
struct tdesc_type *field_type);
|
||||
void tdesc_add_typed_bitfield (struct tdesc_type *type, const char *field_name,
|
||||
int start, int end,
|
||||
struct tdesc_type *field_type);
|
||||
void tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
|
||||
int start, int end);
|
||||
void tdesc_add_flag (struct tdesc_type *type, int start,
|
||||
const char *flag_name);
|
||||
void tdesc_add_enum_value (struct tdesc_type *type, int value,
|
||||
const char *name);
|
||||
void tdesc_create_reg (struct tdesc_feature *feature, const char *name,
|
||||
int regnum, int save_restore, const char *group,
|
||||
int bitsize, const char *type);
|
||||
|
||||
#if GDB_SELF_TEST
|
||||
namespace selftests {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue