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| author |   Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com> | 2018-10-26 09:37:54 -0300 |
|---|---|---|
| committer |   Pedro Franco de Carvalho <pedromfc@linux.ibm.com> | 2018-10-26 10:11:33 -0300 |
| commit | f2cf6173f33bbb562881c571bfecd129fe94b158 (patch) | |
| tree | bef6f882782fecf1c92393acee00f685a112cff7 /gdb/nat | |
| parent | [PowerPC] Add support for PPR and DSCR (diff) | |
| download | binutils-gdb-f2cf6173f33bbb562881c571bfecd129fe94b158.tar.gz binutils-gdb-f2cf6173f33bbb562881c571bfecd129fe94b158.tar.bz2 binutils-gdb-f2cf6173f33bbb562881c571bfecd129fe94b158.zip | |
[PowerPC] Add support for TAR
This patch adds support for the Target Address Register for powerpc
linux native and core file targets, and in the powerpc linux server
stub.
gdb/ChangeLog:
2018-10-26 Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com>
Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
* arch/ppc-linux-tdesc.h (tdesc_powerpc_isa207_vsx32l)
(tdesc_powerpc_isa207_vsx64l): Declare.
* arch/ppc-linux-common.h (PPC_LINUX_SIZEOF_TARREGSET): Define.
(struct ppc_linux_features) <isa207>: New field.
(ppc_linux_no_features): Add initializer for isa207 field.
* arch/ppc-linux-common.c (ppc_linux_match_description): Return
new tdescs.
* nat/ppc-linux.h (PPC_FEATURE2_ARCH_2_07, PPC_FEATURE2_TAR)
(NT_PPC_TAR): Define if not already defined.
* features/Makefile (WHICH): Add rs6000/powerpc-isa207-vsx32l and
rs6000/powerpc-isa207-vsx64l.
(XMLTOC): Add rs6000/powerpc-isa207-vsx32l.xml and
rs6000/powerpc-isa207-vsx64l.xml.
* features/rs6000/power-tar.xml: New file.
* features/rs6000/powerpc-isa207-vsx32l.xml: New file.
* features/rs6000/powerpc-isa207-vsx64l.xml: New file.
* features/rs6000/powerpc-isa207-vsx32l.c: Generate.
* features/rs6000/powerpc-isa207-vsx64l.c: Generate.
* regformats/rs6000/powerpc-isa207-vsx32l.dat: Generate.
* regformats/rs6000/powerpc-isa207-vsx64l.dat: Generate.
* ppc-linux-nat.c (fetch_register, fetch_ppc_registers): Call
fetch_regset with the TAR regset.
(store_register, store_ppc_registers): Call store_regset with the
TAR regset.
(ppc_linux_nat_target::read_description): Set isa207 field in the
features struct if needed.
* ppc-linux-tdep.c: Include
features/rs6000/powerpc-isa207-vsx32l.c and
features/rs6000/powerpc-isa207-vsx64l.c.
(ppc32_regmap_tar, ppc32_linux_tarregset): New globals.
(ppc_linux_iterate_over_regset_sections): Call back with the tar
regset.
(ppc_linux_core_read_description): Check if the tar section is
present and set isa207 in the features struct.
(_initialize_ppc_linux_tdep): Call
initialize_tdesc_powerpc_isa207_vsx32l and
initialize_tdesc_powerpc_isa207_vsx64l.
* ppc-linux-tdep.h (ppc32_linux_tarregset): Declare.
* ppc-tdep.h (gdbarch_tdep) <ppc_tar_regnum>: New field.
(enum) <PPC_TAR_REGNUM>: New enum value.
* rs6000-tdep.c (rs6000_gdbarch_init): Look for and validate tar
feature.
(ppc_process_record_op31): Record changes to TAR.
gdb/gdbserver/ChangeLog:
2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
* configure.srv (ipa_ppc_linux_regobj): Add
powerpc-isa207-vsx64l-ipa.o and powerpc-isa207-vsx32l-ipa.o.
(powerpc*-*-linux*): Add powerpc-isa207-vsx32l.o and
powerpc-isa207-vsx64l.o to srv_regobj, add rs6000/power-tar.xml,
rs6000/powerpc-isa207-vsx32l.xml, and
rs6000/powerpc-isa207-vsx64l.xml to srv_xmlfiles.
* linux-ppc-tdesc-init.h (enum ppc_linux_tdesc)
<PPC_TDESC_ISA207_VSX>: New enum value.
(init_registers_powerpc_isa207_vsx32l): Declare.
(init_registers_powerpc_isa207_vsx64l): Declare.
* linux-ppc-low.c (ppc_fill_tarregset): New function.
(ppc_store_tarregset): New function.
(ppc_regsets): Add entry for the TAR regset.
(ppc_arch_setup): Set isa207 in features struct when needed. Set
size for the TAR regsets.
(ppc_get_ipa_tdesc_idx): Return PPC_TDESC_ISA207_VSX.
(initialize_low_arch): Call init_registers_powerpc_isa207_vsx32l
and init_registers_powerpc_isa207_vsx64l.
* linux-ppc-ipa.c (get_ipa_tdesc): Handle PPC_TDESC_ISA207_VSX.
(initialize_low_tracepoint): Call
init_registers_powerpc_isa207_vsx32l and
init_registers_powerpc_isa207_vsx64l.
gdb/testsuite/ChangeLog:
2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
* gdb.arch/powerpc-tar.c: New file.
* gdb.arch/powerpc-tar.exp: New file.
gdb/doc/ChangeLog:
2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
* gdb.texinfo (PowerPC Features): Describe new feature
"org.gnu.gdb.power.tar".
Diffstat (limited to 'gdb/nat')
| -rw-r--r-- | gdb/nat/ppc-linux.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gdb/nat/ppc-linux.h b/gdb/nat/ppc-linux.h index c2b8b0e80c6..913a9e0bd8c 100644 --- a/gdb/nat/ppc-linux.h +++ b/gdb/nat/ppc-linux.h @@ -54,6 +54,12 @@ #ifndef PPC_FEATURE2_DSCR #define PPC_FEATURE2_DSCR 0x20000000 #endif +#ifndef PPC_FEATURE2_ARCH_2_07 +#define PPC_FEATURE2_ARCH_2_07 0x80000000 +#endif +#ifndef PPC_FEATURE2_TAR +#define PPC_FEATURE2_TAR 0x04000000 +#endif /* Glibc's headers don't define PTRACE_GETVRREGS so we cannot use a configure time check. Some older glibc's (for instance 2.2.1) @@ -85,6 +91,11 @@ #define PTRACE_SETEVRREGS 21 #endif +/* Target Address Register. */ +#ifndef NT_PPC_TAR +#define NT_PPC_TAR 0x103 +#endif + /* Program Priority Register. */ #ifndef NT_PPC_PPR #define NT_PPC_PPR 0x104 |