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Convert the RX target to make use of target descriptions.
gdb/ChangeLog 2019-08-25 Yoshinori Sato <ysato@users.sourceforge.jp> * gdb/rx-tdep.c (rx_register_names): New. (rx_register_name): Delete. (rx_psw_type): Delete. (rx_fpsw_type): Delete. (rx_register_type): Delete. (rx_gdbarch_init): Convert target-descriptions. (_initialize_rx_tdep): Add initialize_tdesc_rx. * gdb/features/Makefile: Add rx.xml. * gdb/features/rx.xml: New. * gdb/features/rx.c: Generated. * gdb/NEWS: Mention target description support. gdb/doc/ChangeLog: 2019-08-25 Yoshinori Sato <ysato@users.sourceforge.jp> * gdb.texinfo (Standard Target Features): Add RX Features sub-section.
This commit is contained in:
Yoshinori Sato
parent
25602020bc
commit
e3ec872f80
@ -1,3 +1,17 @@
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2019-08-25 Yoshinori Sato <ysato@users.sourceforge.jp>
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* gdb/rx-tdep.c (rx_register_names): New.
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(rx_register_name): Delete.
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(rx_psw_type): Delete.
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(rx_fpsw_type): Delete.
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(rx_register_type): Delete.
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(rx_gdbarch_init): Convert target-descriptions.
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(_initialize_rx_tdep): Add initialize_tdesc_rx.
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* gdb/features/Makefile: Add rx.xml.
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* gdb/features/rx.xml: New.
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* gdb/features/rx.c: Generated.
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* gdb/NEWS: Mention target description support.
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2019-08-22 Christian Biesinger <cbiesinger@google.com>
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* symtab.c (symbol_cache_lookup): Always initialize *bsc_ptr and
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2
gdb/NEWS
2
gdb/NEWS
@ -27,6 +27,8 @@
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provide the exitcode or exit status of the shell commands launched by
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GDB commands such as "shell", "pipe" and "make".
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* The RX port now supports XML target descriptions.
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* Python API
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** The gdb.Value type has a new method 'format_string' which returns a
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@ -1,3 +1,7 @@
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2019-08-25 Yoshinori Sato <ysato@users.sourceforge.jp>
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* gdb.texinfo (Standard Target Features): Add RX Features sub-section.
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2019-08-16 Alan Hayward <alan.hayward@arm.com>
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* gdb.texinfo (AArch64 Pointer Authentication)
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@ -44084,6 +44084,7 @@ registers using the capitalization used in the description.
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* OpenRISC 1000 Features::
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* PowerPC Features::
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* RISC-V Features::
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* RX Features::
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* S/390 and System z Features::
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* Sparc Features::
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* TIC6x Features::
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@ -44514,6 +44515,15 @@ target has floating point hardware, but can be moved into the csr
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feature if the target has the floating point control registers, but no
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other floating point hardware.
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@node RX Features
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@subsection RX Features
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@cindex target descriptions, RX Features
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The @samp{org.gnu.gdb.rx.core} feature is required for RX
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targets. It should contain the registers @samp{r0} through
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@samp{r15}, @samp{usp}, @samp{isp}, @samp{psw}, @samp{pc}, @samp{intb},
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@samp{bpsw}, @samp{bpc}, @samp{fintv}, @samp{fpsw}, and @samp{acc}.
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@node S/390 and System z Features
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@subsection S/390 and System z Features
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@cindex target descriptions, S/390 features
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@ -161,6 +161,7 @@ XMLTOC = \
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rs6000/powerpc-vsx64.xml \
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rs6000/powerpc-vsx64l.xml \
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rs6000/rs6000.xml \
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rx.xml \
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s390-linux32.xml \
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s390-linux32v1.xml \
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s390-linux32v2.xml \
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@ -238,6 +239,7 @@ FEATURE_XMLFILES = aarch64-core.xml \
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riscv/64bit-cpu.xml \
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riscv/64bit-csr.xml \
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riscv/64bit-fpu.xml \
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rx.xml \
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tic6x-c6xp.xml \
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tic6x-core.xml \
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tic6x-gp.xml
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80
gdb/features/rx.c
Normal file
80
gdb/features/rx.c
Normal file
@ -0,0 +1,80 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: rx.xml.tmp */
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#include "defs.h"
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#include "osabi.h"
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#include "target-descriptions.h"
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struct target_desc *tdesc_rx;
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static void
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initialize_tdesc_rx (void)
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{
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struct target_desc *result = allocate_target_description ();
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struct tdesc_feature *feature;
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feature = tdesc_create_feature (result, "org.gnu.gdb.rx.core");
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tdesc_type_with_fields *type_with_fields;
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type_with_fields = tdesc_create_flags (feature, "psw_flags", 4);
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tdesc_add_flag (type_with_fields, 0, "C");
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tdesc_add_flag (type_with_fields, 1, "Z");
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tdesc_add_flag (type_with_fields, 2, "S");
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tdesc_add_flag (type_with_fields, 3, "O");
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tdesc_add_flag (type_with_fields, 16, "I");
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tdesc_add_flag (type_with_fields, 17, "U");
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tdesc_add_flag (type_with_fields, 20, "PM");
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tdesc_add_flag (type_with_fields, 24, "IPL0");
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tdesc_add_flag (type_with_fields, 25, "IPL1");
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tdesc_add_flag (type_with_fields, 26, "IPL2");
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tdesc_add_flag (type_with_fields, 27, "IPL3");
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type_with_fields = tdesc_create_flags (feature, "fpsw_flags", 4);
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tdesc_add_flag (type_with_fields, 0, "RM0");
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tdesc_add_flag (type_with_fields, 1, "RM1");
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tdesc_add_flag (type_with_fields, 2, "CV");
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tdesc_add_flag (type_with_fields, 3, "CO");
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tdesc_add_flag (type_with_fields, 4, "CZ");
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tdesc_add_flag (type_with_fields, 5, "CU");
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tdesc_add_flag (type_with_fields, 6, "CX");
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tdesc_add_flag (type_with_fields, 7, "CE");
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tdesc_add_flag (type_with_fields, 8, "DN");
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tdesc_add_flag (type_with_fields, 10, "EV");
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tdesc_add_flag (type_with_fields, 11, "EO");
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tdesc_add_flag (type_with_fields, 12, "EZ");
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tdesc_add_flag (type_with_fields, 13, "EU");
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tdesc_add_flag (type_with_fields, 14, "EX");
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tdesc_add_flag (type_with_fields, 26, "FV");
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tdesc_add_flag (type_with_fields, 27, "FO");
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tdesc_add_flag (type_with_fields, 28, "FZ");
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tdesc_add_flag (type_with_fields, 29, "FU");
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tdesc_add_flag (type_with_fields, 30, "FX");
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tdesc_add_flag (type_with_fields, 31, "FS");
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tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "data_ptr");
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tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r5", 5, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r6", 6, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r7", 7, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r8", 8, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r9", 9, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r10", 10, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r11", 11, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r12", 12, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r13", 13, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r14", 14, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "r15", 15, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "usp", 16, 1, NULL, 32, "data_ptr");
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tdesc_create_reg (feature, "isp", 17, 1, NULL, 32, "data_ptr");
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tdesc_create_reg (feature, "psw", 18, 1, NULL, 32, "psw_flags");
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tdesc_create_reg (feature, "pc", 19, 1, NULL, 32, "code_ptr");
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tdesc_create_reg (feature, "intb", 20, 1, NULL, 32, "data_ptr");
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tdesc_create_reg (feature, "bpsw", 21, 1, NULL, 32, "psw_flags");
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tdesc_create_reg (feature, "bpc", 22, 1, NULL, 32, "code_ptr");
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tdesc_create_reg (feature, "fintv", 23, 1, NULL, 32, "code_ptr");
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tdesc_create_reg (feature, "fpsw", 24, 1, NULL, 32, "fpsw_flags");
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tdesc_create_reg (feature, "acc", 25, 1, NULL, 64, "uint64");
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tdesc_rx = result;
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}
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74
gdb/features/rx.xml
Normal file
74
gdb/features/rx.xml
Normal file
@ -0,0 +1,74 @@
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<?xml version="1.0"?>
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<!-- Copyright (C) 2019 Free Software Foundation, Inc.
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved. -->
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<!DOCTYPE feature SYSTEM "gdb-target.dtd">
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<feature name="org.gnu.gdb.rx.core">
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<reg name="r0" bitsize="32" type="data_ptr"/>
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<reg name="r1" bitsize="32" type="uint32"/>
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<reg name="r2" bitsize="32" type="uint32"/>
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<reg name="r3" bitsize="32" type="uint32"/>
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<reg name="r4" bitsize="32" type="uint32"/>
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<reg name="r5" bitsize="32" type="uint32"/>
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<reg name="r6" bitsize="32" type="uint32"/>
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<reg name="r7" bitsize="32" type="uint32"/>
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<reg name="r8" bitsize="32" type="uint32"/>
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<reg name="r9" bitsize="32" type="uint32"/>
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<reg name="r10" bitsize="32" type="uint32"/>
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<reg name="r11" bitsize="32" type="uint32"/>
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<reg name="r12" bitsize="32" type="uint32"/>
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<reg name="r13" bitsize="32" type="uint32"/>
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<reg name="r14" bitsize="32" type="uint32"/>
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<reg name="r15" bitsize="32" type="uint32"/>
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<flags id="psw_flags" size="4">
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<field name="C" start="0" end="0"/>
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<field name="Z" start="1" end="1"/>
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<field name="S" start="2" end="2"/>
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<field name="O" start="3" end="3"/>
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<field name="I" start="16" end="16"/>
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<field name="U" start="17" end="17"/>
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<field name="PM" start="20" end="20"/>
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<field name="IPL0" start="24" end="24"/>
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<field name="IPL1" start="25" end="25"/>
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<field name="IPL2" start="26" end="26"/>
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<field name="IPL3" start="27" end="27"/>
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</flags>
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<flags id="fpsw_flags" size="4">
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<field name="RM0" start="0" end="0"/>
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<field name="RM1" start="1" end="1"/>
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<field name="CV" start="2" end="2"/>
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<field name="CO" start="3" end="3"/>
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<field name="CZ" start="4" end="4"/>
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<field name="CU" start="5" end="5"/>
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<field name="CX" start="6" end="6"/>
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<field name="CE" start="7" end="7"/>
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<field name="DN" start="8" end="8"/>
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<field name="EV" start="10" end="10"/>
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<field name="EO" start="11" end="11"/>
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<field name="EZ" start="12" end="12"/>
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<field name="EU" start="13" end="13"/>
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<field name="EX" start="14" end="14"/>
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<field name="FV" start="26" end="26"/>
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<field name="FO" start="27" end="27"/>
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<field name="FZ" start="28" end="28"/>
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<field name="FU" start="29" end="29"/>
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<field name="FX" start="30" end="30"/>
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<field name="FS" start="31" end="31"/>
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</flags>
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<reg name="usp" bitsize="32" type="data_ptr"/>
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<reg name="isp" bitsize="32" type="data_ptr"/>
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<reg name="psw" bitsize="32" type="psw_flags"/>
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<reg name="pc" bitsize="32" type="code_ptr"/>
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<reg name="intb" bitsize="32" type="data_ptr"/>
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<reg name="bpsw" bitsize="32" type="psw_flags"/>
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<reg name="bpc" bitsize="32" type="code_ptr"/>
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<reg name="fintv" bitsize="32" type="code_ptr"/>
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<reg name="fpsw" bitsize="32" type="fpsw_flags"/>
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<reg name="acc" bitsize="64" type="uint64"/>
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</feature>
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160
gdb/rx-tdep.c
160
gdb/rx-tdep.c
@ -33,11 +33,15 @@
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#include "value.h"
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#include "gdbcore.h"
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#include "dwarf2-frame.h"
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#include "remote.h"
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#include "target-descriptions.h"
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#include "elf/rx.h"
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#include "elf-bfd.h"
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#include <algorithm>
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#include "features/rx.c"
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/* Certain important register numbers. */
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enum
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{
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@ -114,117 +118,13 @@ struct rx_prologue
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int reg_offset[RX_NUM_REGS];
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};
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/* Implement the "register_name" gdbarch method. */
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static const char *
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rx_register_name (struct gdbarch *gdbarch, int regnr)
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{
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static const char *const reg_names[] = {
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"r0",
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"r1",
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"r2",
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"r3",
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"r4",
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"r5",
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"r6",
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"r7",
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"r8",
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"r9",
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"r10",
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"r11",
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"r12",
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"r13",
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"r14",
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"r15",
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"usp",
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"isp",
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"psw",
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"pc",
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"intb",
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"bpsw",
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"bpc",
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"fintv",
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"fpsw",
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"acc"
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};
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return reg_names[regnr];
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}
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/* Construct the flags type for PSW and BPSW. */
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static struct type *
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rx_psw_type (struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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if (tdep->rx_psw_type == NULL)
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{
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tdep->rx_psw_type = arch_flags_type (gdbarch, "rx_psw_type", 32);
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append_flags_type_flag (tdep->rx_psw_type, 0, "C");
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append_flags_type_flag (tdep->rx_psw_type, 1, "Z");
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append_flags_type_flag (tdep->rx_psw_type, 2, "S");
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append_flags_type_flag (tdep->rx_psw_type, 3, "O");
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append_flags_type_flag (tdep->rx_psw_type, 16, "I");
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append_flags_type_flag (tdep->rx_psw_type, 17, "U");
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append_flags_type_flag (tdep->rx_psw_type, 20, "PM");
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append_flags_type_flag (tdep->rx_psw_type, 24, "IPL0");
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append_flags_type_flag (tdep->rx_psw_type, 25, "IPL1");
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append_flags_type_flag (tdep->rx_psw_type, 26, "IPL2");
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append_flags_type_flag (tdep->rx_psw_type, 27, "IPL3");
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}
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return tdep->rx_psw_type;
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}
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/* Construct flags type for FPSW. */
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static struct type *
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rx_fpsw_type (struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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if (tdep->rx_fpsw_type == NULL)
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{
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tdep->rx_fpsw_type = arch_flags_type (gdbarch, "rx_fpsw_type", 32);
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append_flags_type_flag (tdep->rx_fpsw_type, 0, "RM0");
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append_flags_type_flag (tdep->rx_fpsw_type, 1, "RM1");
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append_flags_type_flag (tdep->rx_fpsw_type, 2, "CV");
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append_flags_type_flag (tdep->rx_fpsw_type, 3, "CO");
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append_flags_type_flag (tdep->rx_fpsw_type, 4, "CZ");
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append_flags_type_flag (tdep->rx_fpsw_type, 5, "CU");
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append_flags_type_flag (tdep->rx_fpsw_type, 6, "CX");
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append_flags_type_flag (tdep->rx_fpsw_type, 7, "CE");
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append_flags_type_flag (tdep->rx_fpsw_type, 8, "DN");
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append_flags_type_flag (tdep->rx_fpsw_type, 10, "EV");
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append_flags_type_flag (tdep->rx_fpsw_type, 11, "EO");
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append_flags_type_flag (tdep->rx_fpsw_type, 12, "EZ");
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append_flags_type_flag (tdep->rx_fpsw_type, 13, "EU");
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append_flags_type_flag (tdep->rx_fpsw_type, 14, "EX");
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append_flags_type_flag (tdep->rx_fpsw_type, 26, "FV");
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append_flags_type_flag (tdep->rx_fpsw_type, 27, "FO");
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append_flags_type_flag (tdep->rx_fpsw_type, 28, "FZ");
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append_flags_type_flag (tdep->rx_fpsw_type, 29, "FU");
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append_flags_type_flag (tdep->rx_fpsw_type, 30, "FX");
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append_flags_type_flag (tdep->rx_fpsw_type, 31, "FS");
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}
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return tdep->rx_fpsw_type;
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}
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/* Implement the "register_type" gdbarch method. */
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static struct type *
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rx_register_type (struct gdbarch *gdbarch, int reg_nr)
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{
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if (reg_nr == RX_PC_REGNUM)
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return builtin_type (gdbarch)->builtin_func_ptr;
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else if (reg_nr == RX_PSW_REGNUM || reg_nr == RX_BPSW_REGNUM)
|
||||
return rx_psw_type (gdbarch);
|
||||
else if (reg_nr == RX_FPSW_REGNUM)
|
||||
return rx_fpsw_type (gdbarch);
|
||||
else if (reg_nr == RX_ACC_REGNUM)
|
||||
return builtin_type (gdbarch)->builtin_unsigned_long_long;
|
||||
else
|
||||
return builtin_type (gdbarch)->builtin_unsigned_long;
|
||||
}
|
||||
/* RX register names */
|
||||
static const char *const rx_register_names[] = {
|
||||
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
|
||||
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
|
||||
"usp", "isp", "psw", "pc", "intb", "bpsw","bpc","fintv",
|
||||
"fpsw", "acc",
|
||||
};
|
||||
|
||||
|
||||
/* Function for finding saved registers in a 'struct pv_area'; this
|
||||
@ -1044,6 +944,8 @@ rx_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
||||
struct gdbarch *gdbarch;
|
||||
struct gdbarch_tdep *tdep;
|
||||
int elf_flags;
|
||||
struct tdesc_arch_data *tdesc_data = NULL;
|
||||
const struct target_desc *tdesc = info.target_desc;
|
||||
|
||||
/* Extract the elf_flags if available. */
|
||||
if (info.abfd != NULL
|
||||
@ -1065,16 +967,42 @@ rx_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
||||
return arches->gdbarch;
|
||||
}
|
||||
|
||||
/* None found, create a new architecture from the information
|
||||
provided. */
|
||||
if (tdesc == NULL)
|
||||
tdesc = tdesc_rx;
|
||||
|
||||
/* Check any target description for validity. */
|
||||
if (tdesc_has_registers (tdesc))
|
||||
{
|
||||
const struct tdesc_feature *feature;
|
||||
bool valid_p = true;
|
||||
|
||||
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.rx.core");
|
||||
|
||||
if (feature != NULL)
|
||||
{
|
||||
tdesc_data = tdesc_data_alloc ();
|
||||
for (int i = 0; i < RX_NUM_REGS; i++)
|
||||
valid_p &= tdesc_numbered_register (feature, tdesc_data, i,
|
||||
rx_register_names[i]);
|
||||
}
|
||||
|
||||
if (!valid_p)
|
||||
{
|
||||
tdesc_data_cleanup (tdesc_data);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
gdb_assert(tdesc_data != NULL);
|
||||
|
||||
tdep = XCNEW (struct gdbarch_tdep);
|
||||
gdbarch = gdbarch_alloc (&info, tdep);
|
||||
tdep->elf_flags = elf_flags;
|
||||
|
||||
set_gdbarch_num_regs (gdbarch, RX_NUM_REGS);
|
||||
tdesc_use_registers (gdbarch, tdesc, tdesc_data);
|
||||
|
||||
set_gdbarch_num_pseudo_regs (gdbarch, 0);
|
||||
set_gdbarch_register_name (gdbarch, rx_register_name);
|
||||
set_gdbarch_register_type (gdbarch, rx_register_type);
|
||||
set_gdbarch_pc_regnum (gdbarch, RX_PC_REGNUM);
|
||||
set_gdbarch_sp_regnum (gdbarch, RX_SP_REGNUM);
|
||||
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
|
||||
@ -1092,6 +1020,7 @@ rx_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
||||
set_gdbarch_ptr_bit (gdbarch, 32);
|
||||
set_gdbarch_float_bit (gdbarch, 32);
|
||||
set_gdbarch_float_format (gdbarch, floatformats_ieee_single);
|
||||
|
||||
if (elf_flags & E_FLAG_RX_64BIT_DOUBLES)
|
||||
{
|
||||
set_gdbarch_double_bit (gdbarch, 64);
|
||||
@ -1132,4 +1061,5 @@ void
|
||||
_initialize_rx_tdep (void)
|
||||
{
|
||||
register_gdbarch_init (bfd_arch_rx, rx_gdbarch_init);
|
||||
initialize_tdesc_rx ();
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user