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gdb/ChangeLog:
2013-09-13 Andreas Arnez <arnez@linux.vnet.ibm.com> * NEWS: Mention TDB support. * features/s390-tdb.xml: New file. * features/s390-te-linux64.xml: New file. * features/s390x-te-linux64.xml: New file. * features/Makefile (WHICH): Add new tdescs above. (s390-te-linux64-expedite): Set. (s390x-te-linux64-expedite): Set. * features/s390-te-linux64.c: New file (generated). * features/s390x-te-linux64.c: New file (generated). * regformats/s390-te-linux64.dat: New file (generated). * regformats/s390x-te-linux64.dat: New file (generated). * s390-tdep.h (HWCAP_S390_HIGH_GPRS): Define. (HWCAP_S390_TE): Likewise. (S390_TDB_DWORD0_REGNUM): Likewise. (S390_TDB_DWORD0_REGNUM): Likewise. (S390_TDB_ABORT_CODE_REGNUM): Likewise. (S390_TDB_CONFLICT_TOKEN_REGNUM): Likewise. (S390_TDB_ATIA_REGNUM): Likewise. (S390_TDB_R0_REGNUM): Likewise. (S390_TDB_R1_REGNUM): Likewise. (S390_TDB_R2_REGNUM): Likewise. (S390_TDB_R3_REGNUM): Likewise. (S390_TDB_R4_REGNUM): Likewise. (S390_TDB_R5_REGNUM): Likewise. (S390_TDB_R6_REGNUM): Likewise. (S390_TDB_R7_REGNUM): Likewise. (S390_TDB_R8_REGNUM): Likewise. (S390_TDB_R9_REGNUM): Likewise. (S390_TDB_R10_REGNUM): Likewise. (S390_TDB_R11_REGNUM): Likewise. (S390_TDB_R12_REGNUM): Likewise. (S390_TDB_R13_REGNUM): Likewise. (S390_TDB_R14_REGNUM): Likewise. (S390_TDB_R15_REGNUM): Likewise. (S390_NUM_REGS): Increase. (S390_IS_TDBREGSET_REGNUM): New macro. (s390_regmap_tdb): Declare. (s390_sizeof_tdbregset): Define. (tdesc_s390_te_linux64): Declare. (tdesc_s390x_te_linux64): Likewise. * s390-tdep.c: Add includes for "auxv.h", <elf.h>, "features/s390-te-linux64.c", and "features/s390x-te-linux64.c". (s390_regmap_tdb): New regmap. (s390_supply_tdb_regset): New function. (s390_tdb_regset): New regset. (s390_linux64v2_regset_sections): Add TDB regset to list. (s390x_linux64v2_regset_sections): Likewise. (s390_regset_from_core_section): Recognize TDB core note section. (s390_core_read_description): If HWCAP indicates TE support, select tdesc_s390_te_linux64 or tdesc_s390_s390x_te_linux64. (s390_gdbarch_init): Handle TDB regset. (_initialize_s390_tdep): Initialize new tdescs. * s390-nat.c (HWCAP_S390_HIGH_GPRS): Remove define. (have_regset_tdb): New variable. (s390_native_supply): Support register invalidation. (fetch_regset): Invalidate registers if ptrace yields ENODATA. (check_regset): Treat ENODATA as "regset exists". (s390_linux_fetch_inferior_registers): Add TDB. (s390_read_description): Check for TDB existence and select appropriate tdesc. * gdbserver/Makefile.in (clean): Add removal of new makefile targets. (s390-te-linux64.c): New makefile target. (s390x-te-linux64.c): Likewise. * gdbserver/configure.srv (srv_regobj): Append new objects s390-te-linux64.o and s390x-te-linux64.o. (srv_xmlfiles): Append new files s390-te-linux64.xml, s390x-te-linux64.xml, and s390-tdb.xml. * gdbserver/linux-s390-low.c (init_registers_s390_te_linux64): New declaration. (tdesc_s390_te_linux64): Likewise. (init_registers_s390x_te_linux64): Likewise. (tdesc_s390x_te_linux64): Likewise. (s390_check_regset): Treat ENODATA as "regset exists". (s390_arch_setup): Add TDB regset support. (initialize_low_arch): Initialize registers for new tdescs. gdb/doc/ChangeLog: 2013-09-13 Andreas Arnez <arnez@linux.vnet.ibm.com> * gdb.texinfo (Decimal Floating Point format): Mention S/390. (Standard Target Features): Add new node to menu. (S/390 and System z Features): New node. gdb/testsuite/ChangeLog: 2013-09-13 Andreas Arnez <arnez@linux.vnet.ibm.com> * gdb.arch/s390-tdbregs.c: New file. * gdb.arch/s390-tdbregs.exp: New file.
This commit is contained in:
Ulrich Weigand
@ -1,3 +1,9 @@
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2013-09-13 Andreas Arnez <arnez@linux.vnet.ibm.com>
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* gdb.texinfo (Decimal Floating Point format): Mention S/390.
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(Standard Target Features): Add new node to menu.
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(S/390 and System z Features): New node.
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2013-09-13 Sanimir Agovic <sanimir.agovic@intel.com>
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* gdb.texinfo (GDB/MI Miscellaneous Commands): Use
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@ -13849,8 +13849,8 @@ specified by the extension to support decimal floating-point arithmetic.
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There are two encodings in use, depending on the architecture: BID (Binary
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Integer Decimal) for x86 and x86-64, and DPD (Densely Packed Decimal) for
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PowerPC. @value{GDBN} will use the appropriate encoding for the configured
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target.
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PowerPC and S/390. @value{GDBN} will use the appropriate encoding for the
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configured target.
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Because of a limitation in @file{libdecnumber}, the library used by @value{GDBN}
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to manipulate decimal floating point numbers, it is not possible to convert
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@ -42470,6 +42470,7 @@ registers using the capitalization used in the description.
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* M68K Features::
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* Nios II Features::
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* PowerPC Features::
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* S/390 and System z Features::
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* TIC6x Features::
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@end menu
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@ -42659,6 +42660,39 @@ contain registers @samp{ev0h} through @samp{ev31h}, @samp{acc}, and
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these to present registers @samp{ev0} through @samp{ev31} to the
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user.
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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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@cindex target descriptions, System z features
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The @samp{org.gnu.gdb.s390.core} feature is required for S/390 and
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System z targets. It should contain the PSW and the 16 general
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registers. In particular, System z targets should provide the 64-bit
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registers @samp{pswm}, @samp{pswa}, and @samp{r0} through @samp{r15}.
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S/390 targets should provide the 32-bit versions of these registers.
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A System z target that runs in 31-bit addressing mode should provide
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32-bit versions of @samp{pswm} and @samp{pswa}, as well as the general
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register's upper halves @samp{r0h} through @samp{r15h}, and their
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lower halves @samp{r0l} through @samp{r15l}.
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The @samp{org.gnu.gdb.s390.fpr} feature is required. It should
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contain the 64-bit registers @samp{f0} through @samp{f15}, and
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@samp{fpc}.
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The @samp{org.gnu.gdb.s390.acr} feature is required. It should
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contain the 32-bit registers @samp{acr0} through @samp{acr15}.
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The @samp{org.gnu.gdb.s390.linux} feature is optional. It should
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contain the register @samp{orig_r2}, which is 64-bit wide on System z
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targets and 32-bit otherwise. In addition, the feature may contain
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the @samp{last_break} register, whose width depends on the addressing
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mode, as well as the @samp{system_call} register, which is always
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32-bit wide.
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The @samp{org.gnu.gdb.s390.tdb} feature is optional. It should
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contain the 64-bit registers @samp{tdb0}, @samp{tac}, @samp{tct},
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@samp{atia}, and @samp{tr0} through @samp{tr15}.
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@node TIC6x Features
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@subsection TMS320C6x Features
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@cindex target descriptions, TIC6x features
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