| /* Target-dependent code for GNU/Linux on s390. |
| |
| Copyright (C) 2001-2024 Free Software Foundation, Inc. |
| |
| Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) |
| for IBM Deutschland Entwicklung GmbH, IBM Corporation. |
| |
| 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 "auxv.h" |
| #include "elf/common.h" |
| #include "frame-base.h" |
| #include "frame-unwind.h" |
| #include "gdbarch.h" |
| #include "gdbcore.h" |
| #include "linux-record.h" |
| #include "linux-tdep.h" |
| #include "objfiles.h" |
| #include "osabi.h" |
| #include "regcache.h" |
| #include "record-full.h" |
| #include "regset.h" |
| #include "s390-tdep.h" |
| #include "s390-linux-tdep.h" |
| #include "solib-svr4.h" |
| #include "target.h" |
| #include "trad-frame.h" |
| #include "xml-syscall.h" |
| |
| #include "features/s390-linux32v1.c" |
| #include "features/s390-linux32v2.c" |
| #include "features/s390-linux64.c" |
| #include "features/s390-linux64v1.c" |
| #include "features/s390-linux64v2.c" |
| #include "features/s390-te-linux64.c" |
| #include "features/s390-vx-linux64.c" |
| #include "features/s390-tevx-linux64.c" |
| #include "features/s390-gs-linux64.c" |
| #include "features/s390x-linux64v1.c" |
| #include "features/s390x-linux64v2.c" |
| #include "features/s390x-te-linux64.c" |
| #include "features/s390x-vx-linux64.c" |
| #include "features/s390x-tevx-linux64.c" |
| #include "features/s390x-gs-linux64.c" |
| |
| #define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml" |
| #define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml" |
| |
| |
| /* Register handling. */ |
| |
| /* Implement cannot_store_register gdbarch method. */ |
| |
| static int |
| s390_cannot_store_register (struct gdbarch *gdbarch, int regnum) |
| { |
| /* The last-break address is read-only. */ |
| return regnum == S390_LAST_BREAK_REGNUM; |
| } |
| |
| /* Implement write_pc gdbarch method. */ |
| |
| static void |
| s390_write_pc (struct regcache *regcache, CORE_ADDR pc) |
| { |
| struct gdbarch *gdbarch = regcache->arch (); |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| |
| regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc); |
| |
| /* Set special SYSTEM_CALL register to 0 to prevent the kernel from |
| messing with the PC we just installed, if we happen to be within |
| an interrupted system call that the kernel wants to restart. |
| |
| Note that after we return from the dummy call, the SYSTEM_CALL and |
| ORIG_R2 registers will be automatically restored, and the kernel |
| continues to restart the system call at this point. */ |
| if (register_size (gdbarch, S390_SYSTEM_CALL_REGNUM) > 0) |
| regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0); |
| } |
| |
| /* Maps for register sets. */ |
| |
| static const struct regcache_map_entry s390_gregmap[] = |
| { |
| { 1, S390_PSWM_REGNUM }, |
| { 1, S390_PSWA_REGNUM }, |
| { 16, S390_R0_REGNUM }, |
| { 16, S390_A0_REGNUM }, |
| { 1, S390_ORIG_R2_REGNUM }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_fpregmap[] = |
| { |
| { 1, S390_FPC_REGNUM, 8 }, |
| { 16, S390_F0_REGNUM, 8 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_upper[] = |
| { |
| { 16, S390_R0_UPPER_REGNUM, 4 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_last_break[] = |
| { |
| { 1, REGCACHE_MAP_SKIP, 4 }, |
| { 1, S390_LAST_BREAK_REGNUM, 4 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390x_regmap_last_break[] = |
| { |
| { 1, S390_LAST_BREAK_REGNUM, 8 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_system_call[] = |
| { |
| { 1, S390_SYSTEM_CALL_REGNUM, 4 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_tdb[] = |
| { |
| { 1, S390_TDB_DWORD0_REGNUM, 8 }, |
| { 1, S390_TDB_ABORT_CODE_REGNUM, 8 }, |
| { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 }, |
| { 1, S390_TDB_ATIA_REGNUM, 8 }, |
| { 12, REGCACHE_MAP_SKIP, 8 }, |
| { 16, S390_TDB_R0_REGNUM, 8 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_vxrs_low[] = |
| { |
| { 16, S390_V0_LOWER_REGNUM, 8 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_vxrs_high[] = |
| { |
| { 16, S390_V16_REGNUM, 16 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_gs[] = |
| { |
| { 1, REGCACHE_MAP_SKIP, 8 }, |
| { 1, S390_GSD_REGNUM, 8 }, |
| { 1, S390_GSSM_REGNUM, 8 }, |
| { 1, S390_GSEPLA_REGNUM, 8 }, |
| { 0 } |
| }; |
| |
| static const struct regcache_map_entry s390_regmap_gsbc[] = |
| { |
| { 1, REGCACHE_MAP_SKIP, 8 }, |
| { 1, S390_BC_GSD_REGNUM, 8 }, |
| { 1, S390_BC_GSSM_REGNUM, 8 }, |
| { 1, S390_BC_GSEPLA_REGNUM, 8 }, |
| { 0 } |
| }; |
| |
| /* Supply the TDB regset. Like regcache_supply_regset, but invalidate |
| the TDB registers unless the TDB format field is valid. */ |
| |
| static void |
| s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache, |
| int regnum, const void *regs, size_t len) |
| { |
| ULONGEST tdw; |
| enum register_status ret; |
| |
| regcache_supply_regset (regset, regcache, regnum, regs, len); |
| ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw); |
| if (ret != REG_VALID || (tdw >> 56) != 1) |
| regcache_supply_regset (regset, regcache, regnum, NULL, len); |
| } |
| |
| const struct regset s390_gregset = { |
| s390_gregmap, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_fpregset = { |
| s390_fpregmap, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| static const struct regset s390_upper_regset = { |
| s390_regmap_upper, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_last_break_regset = { |
| s390_regmap_last_break, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390x_last_break_regset = { |
| s390x_regmap_last_break, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_system_call_regset = { |
| s390_regmap_system_call, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_tdb_regset = { |
| s390_regmap_tdb, |
| s390_supply_tdb_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_vxrs_low_regset = { |
| s390_regmap_vxrs_low, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_vxrs_high_regset = { |
| s390_regmap_vxrs_high, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_gs_regset = { |
| s390_regmap_gs, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| const struct regset s390_gsbc_regset = { |
| s390_regmap_gsbc, |
| regcache_supply_regset, |
| regcache_collect_regset |
| }; |
| |
| /* Iterate over supported core file register note sections. */ |
| |
| static void |
| s390_iterate_over_regset_sections (struct gdbarch *gdbarch, |
| iterate_over_regset_sections_cb *cb, |
| void *cb_data, |
| const struct regcache *regcache) |
| { |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| const int gregset_size = (tdep->abi == ABI_LINUX_S390 ? |
| s390_sizeof_gregset : s390x_sizeof_gregset); |
| |
| cb (".reg", gregset_size, gregset_size, &s390_gregset, NULL, cb_data); |
| cb (".reg2", s390_sizeof_fpregset, s390_sizeof_fpregset, &s390_fpregset, NULL, |
| cb_data); |
| |
| if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1) |
| cb (".reg-s390-high-gprs", 16 * 4, 16 * 4, &s390_upper_regset, |
| "s390 GPR upper halves", cb_data); |
| |
| if (tdep->have_linux_v1) |
| cb (".reg-s390-last-break", 8, 8, |
| (gdbarch_ptr_bit (gdbarch) == 32 |
| ? &s390_last_break_regset : &s390x_last_break_regset), |
| "s390 last-break address", cb_data); |
| |
| if (tdep->have_linux_v2) |
| cb (".reg-s390-system-call", 4, 4, &s390_system_call_regset, |
| "s390 system-call", cb_data); |
| |
| /* If regcache is set, we are in "write" (gcore) mode. In this |
| case, don't iterate over the TDB unless its registers are |
| available. */ |
| if (tdep->have_tdb |
| && (regcache == NULL |
| || (REG_VALID |
| == regcache->get_register_status (S390_TDB_DWORD0_REGNUM)))) |
| cb (".reg-s390-tdb", s390_sizeof_tdbregset, s390_sizeof_tdbregset, |
| &s390_tdb_regset, "s390 TDB", cb_data); |
| |
| if (tdep->v0_full_regnum != -1) |
| { |
| cb (".reg-s390-vxrs-low", 16 * 8, 16 * 8, &s390_vxrs_low_regset, |
| "s390 vector registers 0-15 lower half", cb_data); |
| cb (".reg-s390-vxrs-high", 16 * 16, 16 * 16, &s390_vxrs_high_regset, |
| "s390 vector registers 16-31", cb_data); |
| } |
| |
| /* Iterate over the guarded-storage regsets if in "read" mode, or if |
| their registers are available. */ |
| if (tdep->have_gs) |
| { |
| if (regcache == NULL |
| || REG_VALID == regcache->get_register_status (S390_GSD_REGNUM)) |
| cb (".reg-s390-gs-cb", 4 * 8, 4 * 8, &s390_gs_regset, |
| "s390 guarded-storage registers", cb_data); |
| |
| if (regcache == NULL |
| || REG_VALID == regcache->get_register_status (S390_BC_GSD_REGNUM)) |
| cb (".reg-s390-gs-bc", 4 * 8, 4 * 8, &s390_gsbc_regset, |
| "s390 guarded-storage broadcast control", cb_data); |
| } |
| } |
| |
| /* Implement core_read_description gdbarch method. */ |
| |
| static const struct target_desc * |
| s390_core_read_description (struct gdbarch *gdbarch, |
| struct target_ops *target, bfd *abfd) |
| { |
| asection *section = bfd_get_section_by_name (abfd, ".reg"); |
| std::optional<gdb::byte_vector> auxv = target_read_auxv_raw (target); |
| CORE_ADDR hwcap = linux_get_hwcap (auxv, target, gdbarch); |
| bool high_gprs, v1, v2, te, vx, gs; |
| |
| if (!section) |
| return NULL; |
| |
| high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs") |
| != NULL); |
| v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL); |
| v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL); |
| vx = (hwcap & HWCAP_S390_VX); |
| te = (hwcap & HWCAP_S390_TE); |
| gs = (hwcap & HWCAP_S390_GS); |
| |
| switch (bfd_section_size (section)) |
| { |
| case s390_sizeof_gregset: |
| if (high_gprs) |
| return (gs ? tdesc_s390_gs_linux64 : |
| te && vx ? tdesc_s390_tevx_linux64 : |
| vx ? tdesc_s390_vx_linux64 : |
| te ? tdesc_s390_te_linux64 : |
| v2 ? tdesc_s390_linux64v2 : |
| v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64); |
| else |
| return (v2 ? tdesc_s390_linux32v2 : |
| v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32); |
| |
| case s390x_sizeof_gregset: |
| return (gs ? tdesc_s390x_gs_linux64 : |
| te && vx ? tdesc_s390x_tevx_linux64 : |
| vx ? tdesc_s390x_vx_linux64 : |
| te ? tdesc_s390x_te_linux64 : |
| v2 ? tdesc_s390x_linux64v2 : |
| v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64); |
| |
| default: |
| return NULL; |
| } |
| } |
| |
| /* Frame unwinding. */ |
| |
| /* Signal trampoline stack frames. */ |
| |
| struct s390_sigtramp_unwind_cache { |
| CORE_ADDR frame_base; |
| trad_frame_saved_reg *saved_regs; |
| }; |
| |
| /* Unwind THIS_FRAME and return the corresponding unwind cache for |
| s390_sigtramp_frame_unwind. */ |
| |
| static struct s390_sigtramp_unwind_cache * |
| s390_sigtramp_frame_unwind_cache (const frame_info_ptr &this_frame, |
| void **this_prologue_cache) |
| { |
| struct gdbarch *gdbarch = get_frame_arch (this_frame); |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
| enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
| struct s390_sigtramp_unwind_cache *info; |
| ULONGEST this_sp, prev_sp; |
| CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off; |
| int i; |
| |
| if (*this_prologue_cache) |
| return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache; |
| |
| info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache); |
| *this_prologue_cache = info; |
| info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
| |
| this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
| next_ra = get_frame_pc (this_frame); |
| next_cfa = this_sp + 16*word_size + 32; |
| |
| /* New-style RT frame: |
| retcode + alignment (8 bytes) |
| siginfo (128 bytes) |
| ucontext (contains sigregs at offset 5 words). */ |
| if (next_ra == next_cfa) |
| { |
| sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8); |
| /* sigregs are followed by uc_sigmask (8 bytes), then by the |
| upper GPR halves if present. */ |
| sigreg_high_off = 8; |
| } |
| |
| /* Old-style RT frame and all non-RT frames: |
| old signal mask (8 bytes) |
| pointer to sigregs. */ |
| else |
| { |
| sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8, |
| word_size, byte_order); |
| /* sigregs are followed by signo (4 bytes), then by the |
| upper GPR halves if present. */ |
| sigreg_high_off = 4; |
| } |
| |
| /* The sigregs structure looks like this: |
| long psw_mask; |
| long psw_addr; |
| long gprs[16]; |
| int acrs[16]; |
| int fpc; |
| int __pad; |
| double fprs[16]; */ |
| |
| /* PSW mask and address. */ |
| info->saved_regs[S390_PSWM_REGNUM].set_addr (sigreg_ptr); |
| sigreg_ptr += word_size; |
| info->saved_regs[S390_PSWA_REGNUM].set_addr (sigreg_ptr); |
| sigreg_ptr += word_size; |
| |
| /* Then the GPRs. */ |
| for (i = 0; i < 16; i++) |
| { |
| info->saved_regs[S390_R0_REGNUM + i].set_addr (sigreg_ptr); |
| sigreg_ptr += word_size; |
| } |
| |
| /* Then the ACRs. */ |
| for (i = 0; i < 16; i++) |
| { |
| info->saved_regs[S390_A0_REGNUM + i].set_addr (sigreg_ptr); |
| sigreg_ptr += 4; |
| } |
| |
| /* The floating-point control word. */ |
| info->saved_regs[S390_FPC_REGNUM].set_addr (sigreg_ptr); |
| sigreg_ptr += 8; |
| |
| /* And finally the FPRs. */ |
| for (i = 0; i < 16; i++) |
| { |
| info->saved_regs[S390_F0_REGNUM + i].set_addr (sigreg_ptr); |
| sigreg_ptr += 8; |
| } |
| |
| /* If we have them, the GPR upper halves are appended at the end. */ |
| sigreg_ptr += sigreg_high_off; |
| if (tdep->gpr_full_regnum != -1) |
| for (i = 0; i < 16; i++) |
| { |
| info->saved_regs[S390_R0_UPPER_REGNUM + i].set_addr (sigreg_ptr); |
| sigreg_ptr += 4; |
| } |
| |
| /* Restore the previous frame's SP. */ |
| prev_sp = read_memory_unsigned_integer ( |
| info->saved_regs[S390_SP_REGNUM].addr (), |
| word_size, byte_order); |
| |
| /* Determine our frame base. */ |
| info->frame_base = prev_sp + 16*word_size + 32; |
| |
| return info; |
| } |
| |
| /* Implement this_id frame_unwind method for s390_sigtramp_frame_unwind. */ |
| |
| static void |
| s390_sigtramp_frame_this_id (const frame_info_ptr &this_frame, |
| void **this_prologue_cache, |
| struct frame_id *this_id) |
| { |
| struct s390_sigtramp_unwind_cache *info |
| = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
| *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); |
| } |
| |
| /* Implement prev_register frame_unwind method for sigtramp frames. */ |
| |
| static struct value * |
| s390_sigtramp_frame_prev_register (const frame_info_ptr &this_frame, |
| void **this_prologue_cache, int regnum) |
| { |
| struct s390_sigtramp_unwind_cache *info |
| = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
| return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
| } |
| |
| /* Implement sniffer frame_unwind method for sigtramp frames. */ |
| |
| static int |
| s390_sigtramp_frame_sniffer (const struct frame_unwind *self, |
| const frame_info_ptr &this_frame, |
| void **this_prologue_cache) |
| { |
| CORE_ADDR pc = get_frame_pc (this_frame); |
| bfd_byte sigreturn[2]; |
| |
| if (target_read_memory (pc, sigreturn, 2)) |
| return 0; |
| |
| if (sigreturn[0] != op_svc) |
| return 0; |
| |
| if (sigreturn[1] != 119 /* sigreturn */ |
| && sigreturn[1] != 173 /* rt_sigreturn */) |
| return 0; |
| |
| return 1; |
| } |
| |
| /* S390 sigtramp frame unwinder. */ |
| |
| static const struct frame_unwind s390_sigtramp_frame_unwind = { |
| "s390 linux sigtramp", |
| SIGTRAMP_FRAME, |
| default_frame_unwind_stop_reason, |
| s390_sigtramp_frame_this_id, |
| s390_sigtramp_frame_prev_register, |
| NULL, |
| s390_sigtramp_frame_sniffer |
| }; |
| |
| /* Syscall handling. */ |
| |
| /* Retrieve the syscall number at a ptrace syscall-stop. Return -1 |
| upon error. */ |
| |
| static LONGEST |
| s390_linux_get_syscall_number (struct gdbarch *gdbarch, |
| thread_info *thread) |
| { |
| struct regcache *regs = get_thread_regcache (thread); |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
| ULONGEST pc; |
| ULONGEST svc_number = -1; |
| unsigned opcode; |
| |
| /* Assume that the PC points after the 2-byte SVC instruction. We |
| don't currently support SVC via EXECUTE. */ |
| regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc); |
| pc -= 2; |
| |
| ULONGEST val; |
| if (!safe_read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order, |
| &val)) |
| return -1; |
| opcode = val; |
| |
| if (opcode != op_svc) |
| return -1; |
| |
| if (!safe_read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1, byte_order, |
| &val)) |
| return -1; |
| svc_number = val; |
| |
| if (svc_number == 0) |
| regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number); |
| |
| return svc_number; |
| } |
| |
| /* Process record-replay */ |
| |
| static struct linux_record_tdep s390_linux_record_tdep; |
| static struct linux_record_tdep s390x_linux_record_tdep; |
| |
| /* Record all registers but PC register for process-record. */ |
| |
| static int |
| s390_all_but_pc_registers_record (struct regcache *regcache) |
| { |
| struct gdbarch *gdbarch = regcache->arch (); |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| int i; |
| |
| for (i = 0; i < 16; i++) |
| { |
| if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) |
| return -1; |
| if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) |
| return -1; |
| if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) |
| return -1; |
| if (tdep->gpr_full_regnum != -1) |
| if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) |
| return -1; |
| if (tdep->v0_full_regnum != -1) |
| { |
| if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) |
| return -1; |
| if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i)) |
| return -1; |
| } |
| } |
| if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| return -1; |
| if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| return -1; |
| |
| return 0; |
| } |
| |
| /* Canonicalize system call SYSCALL belonging to ABI. Helper for |
| s390_linux_syscall_record. */ |
| |
| static enum gdb_syscall |
| s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi) |
| { |
| switch (syscall) |
| { |
| /* s390 syscall numbers < 222 are mostly the same as x86, so just list |
| the exceptions. */ |
| case 0: |
| return gdb_sys_no_syscall; |
| case 7: |
| return gdb_sys_restart_syscall; |
| /* These syscalls work only on 31-bit. */ |
| case 13: /* time */ |
| case 16: /* lchown[16] */ |
| case 23: /* setuid[16] */ |
| case 24: /* getuid[16] */ |
| case 25: /* stime */ |
| case 46: /* setgid[16] */ |
| case 47: /* getgid[16] */ |
| case 49: /* seteuid[16] */ |
| case 50: /* getegid[16] */ |
| case 70: /* setreuid[16] */ |
| case 71: /* setregid[16] */ |
| case 76: /* [old_]getrlimit */ |
| case 80: /* getgroups[16] */ |
| case 81: /* setgroups[16] */ |
| case 95: /* fchown[16] */ |
| case 101: /* ioperm */ |
| case 138: /* setfsuid[16] */ |
| case 139: /* setfsgid[16] */ |
| case 140: /* _llseek */ |
| case 164: /* setresuid[16] */ |
| case 165: /* getresuid[16] */ |
| case 170: /* setresgid[16] */ |
| case 171: /* getresgid[16] */ |
| case 182: /* chown[16] */ |
| case 192: /* mmap2 */ |
| case 193: /* truncate64 */ |
| case 194: /* ftruncate64 */ |
| case 195: /* stat64 */ |
| case 196: /* lstat64 */ |
| case 197: /* fstat64 */ |
| case 221: /* fcntl64 */ |
| if (abi == ABI_LINUX_S390) |
| return (enum gdb_syscall) syscall; |
| return gdb_sys_no_syscall; |
| /* These syscalls don't exist on s390. */ |
| case 17: /* break */ |
| case 18: /* oldstat */ |
| case 28: /* oldfstat */ |
| case 31: /* stty */ |
| case 32: /* gtty */ |
| case 35: /* ftime */ |
| case 44: /* prof */ |
| case 53: /* lock */ |
| case 56: /* mpx */ |
| case 58: /* ulimit */ |
| case 59: /* oldolduname */ |
| case 68: /* sgetmask */ |
| case 69: /* ssetmask */ |
| case 82: /* [old_]select */ |
| case 84: /* oldlstat */ |
| case 98: /* profil */ |
| case 109: /* olduname */ |
| case 113: /* vm86old */ |
| case 123: /* modify_ldt */ |
| case 166: /* vm86 */ |
| return gdb_sys_no_syscall; |
| case 110: |
| return gdb_sys_lookup_dcookie; |
| /* Here come the differences. */ |
| case 222: |
| return gdb_sys_readahead; |
| case 223: |
| if (abi == ABI_LINUX_S390) |
| return gdb_sys_sendfile64; |
| return gdb_sys_no_syscall; |
| /* 224-235 handled below */ |
| case 236: |
| return gdb_sys_gettid; |
| case 237: |
| return gdb_sys_tkill; |
| case 238: |
| return gdb_sys_futex; |
| case 239: |
| return gdb_sys_sched_setaffinity; |
| case 240: |
| return gdb_sys_sched_getaffinity; |
| case 241: |
| return gdb_sys_tgkill; |
| /* 242 reserved */ |
| case 243: |
| return gdb_sys_io_setup; |
| case 244: |
| return gdb_sys_io_destroy; |
| case 245: |
| return gdb_sys_io_getevents; |
| case 246: |
| return gdb_sys_io_submit; |
| case 247: |
| return gdb_sys_io_cancel; |
| case 248: |
| return gdb_sys_exit_group; |
| case 249: |
| return gdb_sys_epoll_create; |
| case 250: |
| return gdb_sys_epoll_ctl; |
| case 251: |
| return gdb_sys_epoll_wait; |
| case 252: |
| return gdb_sys_set_tid_address; |
| case 253: |
| return gdb_sys_fadvise64; |
| /* 254-262 handled below */ |
| /* 263 reserved */ |
| case 264: |
| if (abi == ABI_LINUX_S390) |
| return gdb_sys_fadvise64_64; |
| return gdb_sys_no_syscall; |
| case 265: |
| return gdb_sys_statfs64; |
| case 266: |
| return gdb_sys_fstatfs64; |
| case 267: |
| return gdb_sys_remap_file_pages; |
| /* 268-270 reserved */ |
| /* 271-277 handled below */ |
| case 278: |
| return gdb_sys_add_key; |
| case 279: |
| return gdb_sys_request_key; |
| case 280: |
| return gdb_sys_keyctl; |
| case 281: |
| return gdb_sys_waitid; |
| /* 282-312 handled below */ |
| case 293: |
| if (abi == ABI_LINUX_S390) |
| return gdb_sys_fstatat64; |
| return gdb_sys_newfstatat; |
| /* 313+ not yet supported */ |
| default: |
| { |
| int ret; |
| |
| /* Most "old" syscalls copied from i386. */ |
| if (syscall <= 221) |
| ret = syscall; |
| /* xattr syscalls. */ |
| else if (syscall >= 224 && syscall <= 235) |
| ret = syscall + 2; |
| /* timer syscalls. */ |
| else if (syscall >= 254 && syscall <= 262) |
| ret = syscall + 5; |
| /* mq_* and kexec_load */ |
| else if (syscall >= 271 && syscall <= 277) |
| ret = syscall + 6; |
| /* ioprio_set .. epoll_pwait */ |
| else if (syscall >= 282 && syscall <= 312) |
| ret = syscall + 7; |
| else if (syscall == 349) |
| ret = gdb_sys_getrandom; |
| else |
| ret = gdb_sys_no_syscall; |
| |
| return (enum gdb_syscall) ret; |
| } |
| } |
| } |
| |
| /* Record a system call. Returns 0 on success, -1 otherwise. |
| Helper function for s390_process_record. */ |
| |
| static int |
| s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native) |
| { |
| struct gdbarch *gdbarch = regcache->arch (); |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| int ret; |
| enum gdb_syscall syscall_gdb; |
| |
| /* On s390, syscall number can be passed either as immediate field of svc |
| instruction, or in %r1 (with svc 0). */ |
| if (syscall_native == 0) |
| regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native); |
| |
| syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi); |
| |
| if (syscall_gdb < 0) |
| { |
| gdb_printf (gdb_stderr, |
| _("Process record and replay target doesn't " |
| "support syscall number %s\n"), |
| plongest (syscall_native)); |
| return -1; |
| } |
| |
| if (syscall_gdb == gdb_sys_sigreturn |
| || syscall_gdb == gdb_sys_rt_sigreturn) |
| { |
| if (s390_all_but_pc_registers_record (regcache)) |
| return -1; |
| return 0; |
| } |
| |
| if (tdep->abi == ABI_LINUX_ZSERIES) |
| ret = record_linux_system_call (syscall_gdb, regcache, |
| &s390x_linux_record_tdep); |
| else |
| ret = record_linux_system_call (syscall_gdb, regcache, |
| &s390_linux_record_tdep); |
| |
| if (ret) |
| return ret; |
| |
| /* Record the return value of the system call. */ |
| if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) |
| return -1; |
| |
| return 0; |
| } |
| |
| /* Implement process_record_signal gdbarch method. */ |
| |
| static int |
| s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, |
| enum gdb_signal signal) |
| { |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| /* There are two kinds of signal frames on s390. rt_sigframe is always |
| the larger one, so don't even bother with sigframe. */ |
| const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ? |
| 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000); |
| ULONGEST sp; |
| int i; |
| |
| for (i = 0; i < 16; i++) |
| { |
| if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) |
| return -1; |
| if (tdep->gpr_full_regnum != -1) |
| if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) |
| return -1; |
| } |
| if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) |
| return -1; |
| if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| return -1; |
| |
| /* Record the change in the stack. |
| frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */ |
| regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp); |
| sp -= sizeof_rt_sigframe; |
| |
| if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe)) |
| return -1; |
| |
| if (record_full_arch_list_add_end ()) |
| return -1; |
| |
| return 0; |
| } |
| |
| /* Initialize linux_record_tdep if not initialized yet. */ |
| |
| static void |
| s390_init_linux_record_tdep (struct linux_record_tdep *record_tdep, |
| enum s390_abi_kind abi) |
| { |
| /* These values are the size of the type that will be used in a system |
| call. They are obtained from Linux Kernel source. */ |
| |
| if (abi == ABI_LINUX_ZSERIES) |
| { |
| record_tdep->size_pointer = 8; |
| /* no _old_kernel_stat */ |
| record_tdep->size_tms = 32; |
| record_tdep->size_loff_t = 8; |
| record_tdep->size_flock = 32; |
| record_tdep->size_ustat = 32; |
| record_tdep->size_old_sigaction = 32; |
| record_tdep->size_old_sigset_t = 8; |
| record_tdep->size_rlimit = 16; |
| record_tdep->size_rusage = 144; |
| record_tdep->size_timeval = 16; |
| record_tdep->size_timezone = 8; |
| /* old_[ug]id_t never used */ |
| record_tdep->size_fd_set = 128; |
| record_tdep->size_old_dirent = 280; |
| record_tdep->size_statfs = 88; |
| record_tdep->size_statfs64 = 88; |
| record_tdep->size_sockaddr = 16; |
| record_tdep->size_int = 4; |
| record_tdep->size_long = 8; |
| record_tdep->size_ulong = 8; |
| record_tdep->size_msghdr = 56; |
| record_tdep->size_itimerval = 32; |
| record_tdep->size_stat = 144; |
| /* old_utsname unused */ |
| record_tdep->size_sysinfo = 112; |
| record_tdep->size_msqid_ds = 120; |
| record_tdep->size_shmid_ds = 112; |
| record_tdep->size_new_utsname = 390; |
| record_tdep->size_timex = 208; |
| record_tdep->size_mem_dqinfo = 24; |
| record_tdep->size_if_dqblk = 72; |
| record_tdep->size_fs_quota_stat = 80; |
| record_tdep->size_timespec = 16; |
| record_tdep->size_pollfd = 8; |
| record_tdep->size_NFS_FHSIZE = 32; |
| record_tdep->size_knfsd_fh = 132; |
| record_tdep->size_TASK_COMM_LEN = 16; |
| record_tdep->size_sigaction = 32; |
| record_tdep->size_sigset_t = 8; |
| record_tdep->size_siginfo_t = 128; |
| record_tdep->size_cap_user_data_t = 12; |
| record_tdep->size_stack_t = 24; |
| record_tdep->size_off_t = 8; |
| /* stat64 unused */ |
| record_tdep->size_gid_t = 4; |
| record_tdep->size_uid_t = 4; |
| record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ |
| record_tdep->size_flock64 = 32; |
| record_tdep->size_io_event = 32; |
| record_tdep->size_iocb = 64; |
| record_tdep->size_epoll_event = 16; |
| record_tdep->size_itimerspec = 32; |
| record_tdep->size_mq_attr = 64; |
| record_tdep->size_termios = 36; |
| record_tdep->size_termios2 = 44; |
| record_tdep->size_pid_t = 4; |
| record_tdep->size_winsize = 8; |
| record_tdep->size_serial_struct = 72; |
| record_tdep->size_serial_icounter_struct = 80; |
| record_tdep->size_size_t = 8; |
| record_tdep->size_iovec = 16; |
| record_tdep->size_time_t = 8; |
| } |
| else if (abi == ABI_LINUX_S390) |
| { |
| record_tdep->size_pointer = 4; |
| record_tdep->size__old_kernel_stat = 32; |
| record_tdep->size_tms = 16; |
| record_tdep->size_loff_t = 8; |
| record_tdep->size_flock = 16; |
| record_tdep->size_ustat = 20; |
| record_tdep->size_old_sigaction = 16; |
| record_tdep->size_old_sigset_t = 4; |
| record_tdep->size_rlimit = 8; |
| record_tdep->size_rusage = 72; |
| record_tdep->size_timeval = 8; |
| record_tdep->size_timezone = 8; |
| record_tdep->size_old_gid_t = 2; |
| record_tdep->size_old_uid_t = 2; |
| record_tdep->size_fd_set = 128; |
| record_tdep->size_old_dirent = 268; |
| record_tdep->size_statfs = 64; |
| record_tdep->size_statfs64 = 88; |
| record_tdep->size_sockaddr = 16; |
| record_tdep->size_int = 4; |
| record_tdep->size_long = 4; |
| record_tdep->size_ulong = 4; |
| record_tdep->size_msghdr = 28; |
| record_tdep->size_itimerval = 16; |
| record_tdep->size_stat = 64; |
| /* old_utsname unused */ |
| record_tdep->size_sysinfo = 64; |
| record_tdep->size_msqid_ds = 88; |
| record_tdep->size_shmid_ds = 84; |
| record_tdep->size_new_utsname = 390; |
| record_tdep->size_timex = 128; |
| record_tdep->size_mem_dqinfo = 24; |
| record_tdep->size_if_dqblk = 72; |
| record_tdep->size_fs_quota_stat = 80; |
| record_tdep->size_timespec = 8; |
| record_tdep->size_pollfd = 8; |
| record_tdep->size_NFS_FHSIZE = 32; |
| record_tdep->size_knfsd_fh = 132; |
| record_tdep->size_TASK_COMM_LEN = 16; |
| record_tdep->size_sigaction = 20; |
| record_tdep->size_sigset_t = 8; |
| record_tdep->size_siginfo_t = 128; |
| record_tdep->size_cap_user_data_t = 12; |
| record_tdep->size_stack_t = 12; |
| record_tdep->size_off_t = 4; |
| record_tdep->size_stat64 = 104; |
| record_tdep->size_gid_t = 4; |
| record_tdep->size_uid_t = 4; |
| record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ |
| record_tdep->size_flock64 = 32; |
| record_tdep->size_io_event = 32; |
| record_tdep->size_iocb = 64; |
| record_tdep->size_epoll_event = 16; |
| record_tdep->size_itimerspec = 16; |
| record_tdep->size_mq_attr = 32; |
| record_tdep->size_termios = 36; |
| record_tdep->size_termios2 = 44; |
| record_tdep->size_pid_t = 4; |
| record_tdep->size_winsize = 8; |
| record_tdep->size_serial_struct = 60; |
| record_tdep->size_serial_icounter_struct = 80; |
| record_tdep->size_size_t = 4; |
| record_tdep->size_iovec = 8; |
| record_tdep->size_time_t = 4; |
| } |
| |
| /* These values are the second argument of system call "sys_fcntl" |
| and "sys_fcntl64". They are obtained from Linux Kernel source. */ |
| record_tdep->fcntl_F_GETLK = 5; |
| record_tdep->fcntl_F_GETLK64 = 12; |
| record_tdep->fcntl_F_SETLK64 = 13; |
| record_tdep->fcntl_F_SETLKW64 = 14; |
| |
| record_tdep->arg1 = S390_R2_REGNUM; |
| record_tdep->arg2 = S390_R3_REGNUM; |
| record_tdep->arg3 = S390_R4_REGNUM; |
| record_tdep->arg4 = S390_R5_REGNUM; |
| record_tdep->arg5 = S390_R6_REGNUM; |
| |
| /* These values are the second argument of system call "sys_ioctl". |
| They are obtained from Linux Kernel source. |
| See arch/s390/include/uapi/asm/ioctls.h. */ |
| |
| record_tdep->ioctl_TCGETS = 0x5401; |
| record_tdep->ioctl_TCSETS = 0x5402; |
| record_tdep->ioctl_TCSETSW = 0x5403; |
| record_tdep->ioctl_TCSETSF = 0x5404; |
| record_tdep->ioctl_TCGETA = 0x5405; |
| record_tdep->ioctl_TCSETA = 0x5406; |
| record_tdep->ioctl_TCSETAW = 0x5407; |
| record_tdep->ioctl_TCSETAF = 0x5408; |
| record_tdep->ioctl_TCSBRK = 0x5409; |
| record_tdep->ioctl_TCXONC = 0x540a; |
| record_tdep->ioctl_TCFLSH = 0x540b; |
| record_tdep->ioctl_TIOCEXCL = 0x540c; |
| record_tdep->ioctl_TIOCNXCL = 0x540d; |
| record_tdep->ioctl_TIOCSCTTY = 0x540e; |
| record_tdep->ioctl_TIOCGPGRP = 0x540f; |
| record_tdep->ioctl_TIOCSPGRP = 0x5410; |
| record_tdep->ioctl_TIOCOUTQ = 0x5411; |
| record_tdep->ioctl_TIOCSTI = 0x5412; |
| record_tdep->ioctl_TIOCGWINSZ = 0x5413; |
| record_tdep->ioctl_TIOCSWINSZ = 0x5414; |
| record_tdep->ioctl_TIOCMGET = 0x5415; |
| record_tdep->ioctl_TIOCMBIS = 0x5416; |
| record_tdep->ioctl_TIOCMBIC = 0x5417; |
| record_tdep->ioctl_TIOCMSET = 0x5418; |
| record_tdep->ioctl_TIOCGSOFTCAR = 0x5419; |
| record_tdep->ioctl_TIOCSSOFTCAR = 0x541a; |
| record_tdep->ioctl_FIONREAD = 0x541b; |
| record_tdep->ioctl_TIOCINQ = 0x541b; /* alias */ |
| record_tdep->ioctl_TIOCLINUX = 0x541c; |
| record_tdep->ioctl_TIOCCONS = 0x541d; |
| record_tdep->ioctl_TIOCGSERIAL = 0x541e; |
| record_tdep->ioctl_TIOCSSERIAL = 0x541f; |
| record_tdep->ioctl_TIOCPKT = 0x5420; |
| record_tdep->ioctl_FIONBIO = 0x5421; |
| record_tdep->ioctl_TIOCNOTTY = 0x5422; |
| record_tdep->ioctl_TIOCSETD = 0x5423; |
| record_tdep->ioctl_TIOCGETD = 0x5424; |
| record_tdep->ioctl_TCSBRKP = 0x5425; |
| record_tdep->ioctl_TIOCSBRK = 0x5427; |
| record_tdep->ioctl_TIOCCBRK = 0x5428; |
| record_tdep->ioctl_TIOCGSID = 0x5429; |
| record_tdep->ioctl_TCGETS2 = 0x802c542a; |
| record_tdep->ioctl_TCSETS2 = 0x402c542b; |
| record_tdep->ioctl_TCSETSW2 = 0x402c542c; |
| record_tdep->ioctl_TCSETSF2 = 0x402c542d; |
| record_tdep->ioctl_TIOCGPTN = 0x80045430; |
| record_tdep->ioctl_TIOCSPTLCK = 0x40045431; |
| record_tdep->ioctl_FIONCLEX = 0x5450; |
| record_tdep->ioctl_FIOCLEX = 0x5451; |
| record_tdep->ioctl_FIOASYNC = 0x5452; |
| record_tdep->ioctl_TIOCSERCONFIG = 0x5453; |
| record_tdep->ioctl_TIOCSERGWILD = 0x5454; |
| record_tdep->ioctl_TIOCSERSWILD = 0x5455; |
| record_tdep->ioctl_TIOCGLCKTRMIOS = 0x5456; |
| record_tdep->ioctl_TIOCSLCKTRMIOS = 0x5457; |
| record_tdep->ioctl_TIOCSERGSTRUCT = 0x5458; |
| record_tdep->ioctl_TIOCSERGETLSR = 0x5459; |
| record_tdep->ioctl_TIOCSERGETMULTI = 0x545a; |
| record_tdep->ioctl_TIOCSERSETMULTI = 0x545b; |
| record_tdep->ioctl_TIOCMIWAIT = 0x545c; |
| record_tdep->ioctl_TIOCGICOUNT = 0x545d; |
| record_tdep->ioctl_FIOQSIZE = 0x545e; |
| } |
| |
| /* Initialize OSABI common for GNU/Linux on 31- and 64-bit systems. */ |
| |
| static void |
| s390_linux_init_abi_any (struct gdbarch_info info, struct gdbarch *gdbarch) |
| { |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| |
| tdep->s390_syscall_record = s390_linux_syscall_record; |
| |
| linux_init_abi (info, gdbarch, 1); |
| |
| /* Register handling. */ |
| set_gdbarch_core_read_description (gdbarch, s390_core_read_description); |
| set_gdbarch_iterate_over_regset_sections (gdbarch, |
| s390_iterate_over_regset_sections); |
| set_gdbarch_write_pc (gdbarch, s390_write_pc); |
| set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register); |
| |
| /* Syscall handling. */ |
| set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number); |
| |
| /* Frame handling. */ |
| frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind); |
| set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); |
| |
| /* Enable TLS support. */ |
| set_gdbarch_fetch_tls_load_module_address (gdbarch, |
| svr4_fetch_objfile_link_map); |
| |
| /* Support reverse debugging. */ |
| set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal); |
| s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390); |
| s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES); |
| } |
| |
| /* Initialize OSABI for GNU/Linux on 31-bit systems. */ |
| |
| static void |
| s390_linux_init_abi_31 (struct gdbarch_info info, struct gdbarch *gdbarch) |
| { |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| |
| tdep->abi = ABI_LINUX_S390; |
| |
| s390_linux_init_abi_any (info, gdbarch); |
| |
| set_solib_svr4_fetch_link_map_offsets (gdbarch, |
| linux_ilp32_fetch_link_map_offsets); |
| set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390); |
| } |
| |
| /* Initialize OSABI for GNU/Linux on 64-bit systems. */ |
| |
| static void |
| s390_linux_init_abi_64 (struct gdbarch_info info, struct gdbarch *gdbarch) |
| { |
| s390_gdbarch_tdep *tdep = gdbarch_tdep<s390_gdbarch_tdep> (gdbarch); |
| |
| tdep->abi = ABI_LINUX_ZSERIES; |
| |
| s390_linux_init_abi_any (info, gdbarch); |
| |
| set_solib_svr4_fetch_link_map_offsets (gdbarch, |
| linux_lp64_fetch_link_map_offsets); |
| set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X); |
| } |
| |
| void _initialize_s390_linux_tdep (); |
| void |
| _initialize_s390_linux_tdep () |
| { |
| /* Hook us into the OSABI mechanism. */ |
| gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_31, GDB_OSABI_LINUX, |
| s390_linux_init_abi_31); |
| gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_64, GDB_OSABI_LINUX, |
| s390_linux_init_abi_64); |
| |
| /* Initialize the GNU/Linux target descriptions. */ |
| initialize_tdesc_s390_linux32v1 (); |
| initialize_tdesc_s390_linux32v2 (); |
| initialize_tdesc_s390_linux64 (); |
| initialize_tdesc_s390_linux64v1 (); |
| initialize_tdesc_s390_linux64v2 (); |
| initialize_tdesc_s390_te_linux64 (); |
| initialize_tdesc_s390_vx_linux64 (); |
| initialize_tdesc_s390_tevx_linux64 (); |
| initialize_tdesc_s390_gs_linux64 (); |
| initialize_tdesc_s390x_linux64v1 (); |
| initialize_tdesc_s390x_linux64v2 (); |
| initialize_tdesc_s390x_te_linux64 (); |
| initialize_tdesc_s390x_vx_linux64 (); |
| initialize_tdesc_s390x_tevx_linux64 (); |
| initialize_tdesc_s390x_gs_linux64 (); |
| } |