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
parent
2ccd146855
commit
4ac33720d6
21 changed files with 921 additions and 23 deletions
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@ -64,6 +64,10 @@ extern const struct target_desc *tdesc_s390_linux64v1;
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void init_registers_s390_linux64v2 (void);
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extern const struct target_desc *tdesc_s390_linux64v2;
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/* Defined in auto-generated file s390-te-linux64.c. */
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void init_registers_s390_te_linux64 (void);
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extern const struct target_desc *tdesc_s390_te_linux64;
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/* Defined in auto-generated file s390x-linux64.c. */
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void init_registers_s390x_linux64 (void);
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extern const struct target_desc *tdesc_s390x_linux64;
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@ -76,6 +80,10 @@ extern const struct target_desc *tdesc_s390x_linux64v1;
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void init_registers_s390x_linux64v2 (void);
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extern const struct target_desc *tdesc_s390x_linux64v2;
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/* Defined in auto-generated file s390x-te-linux64.c. */
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void init_registers_s390x_te_linux64 (void);
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extern const struct target_desc *tdesc_s390x_te_linux64;
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#define s390_num_regs 52
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static int s390_regmap[] = {
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@ -391,10 +399,10 @@ s390_check_regset (int pid, int regset, int regsize)
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iov.iov_base = buf;
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iov.iov_len = regsize;
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if (ptrace (PTRACE_GETREGSET, pid, (long) regset, (long) &iov) < 0)
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return 0;
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else
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if (ptrace (PTRACE_GETREGSET, pid, (long) regset, (long) &iov) >= 0
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|| errno == ENODATA)
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return 1;
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return 0;
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}
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#ifdef __s390x__
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@ -415,6 +423,7 @@ s390_arch_setup (void)
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= s390_check_regset (pid, NT_S390_LAST_BREAK, 8);
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int have_regset_system_call
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= s390_check_regset (pid, NT_S390_SYSTEM_CALL, 4);
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int have_regset_tdb = s390_check_regset (pid, NT_S390_TDB, 256);
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/* Update target_regsets according to available register sets. */
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for (regset = s390_regsets; regset->fill_function != NULL; regset++)
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@ -427,6 +436,8 @@ s390_arch_setup (void)
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case NT_S390_SYSTEM_CALL:
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regset->size = have_regset_system_call? 4 : 0;
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break;
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case NT_S390_TDB:
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regset->size = have_regset_tdb ? 256 : 0;
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default:
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break;
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}
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@ -451,6 +462,8 @@ s390_arch_setup (void)
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if (pswm & 1)
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{
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if (have_regset_tdb)
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tdesc = tdesc_s390x_te_linux64;
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if (have_regset_system_call)
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tdesc = tdesc_s390x_linux64v2;
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else if (have_regset_last_break)
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@ -465,7 +478,9 @@ s390_arch_setup (void)
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{
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have_hwcap_s390_high_gprs = 1;
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if (have_regset_system_call)
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if (have_regset_tdb)
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tdesc = tdesc_s390_te_linux64;
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else if (have_regset_system_call)
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tdesc = tdesc_s390_linux64v2;
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else if (have_regset_last_break)
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tdesc = tdesc_s390_linux64v1;
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@ -575,9 +590,11 @@ initialize_low_arch (void)
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init_registers_s390_linux64 ();
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init_registers_s390_linux64v1 ();
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init_registers_s390_linux64v2 ();
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init_registers_s390_te_linux64 ();
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init_registers_s390x_linux64 ();
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init_registers_s390x_linux64v1 ();
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init_registers_s390x_linux64v2 ();
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init_registers_s390x_te_linux64 ();
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initialize_regsets_info (&s390_regsets_info);
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#ifdef __s390x__
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