diff options
Diffstat (limited to 'gnu/usr.bin/gdb/kgdb/trgt_sparc64.c')
| -rw-r--r-- | gnu/usr.bin/gdb/kgdb/trgt_sparc64.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/gnu/usr.bin/gdb/kgdb/trgt_sparc64.c b/gnu/usr.bin/gdb/kgdb/trgt_sparc64.c deleted file mode 100644 index b39299f40918..000000000000 --- a/gnu/usr.bin/gdb/kgdb/trgt_sparc64.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright (c) 2004 Marcel Moolenaar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <machine/asm.h> -#include <machine/pcb.h> -#include <machine/frame.h> -#include <err.h> -#include <kvm.h> -#include <string.h> - -#include <defs.h> -#include <target.h> -#include <gdbthread.h> -#include <inferior.h> -#include <regcache.h> -#include <frame-unwind.h> -#include <sparc-tdep.h> -#include <sparc64-tdep.h> - -#include "kgdb.h" - -CORE_ADDR -kgdb_trgt_core_pcb(u_int cpuid) -{ - return (kgdb_trgt_stop_pcb(cpuid, sizeof(struct pcb))); -} - -void -kgdb_trgt_fetch_registers(int regno __unused) -{ - struct kthr *kt; - struct pcb pcb; - - kt = kgdb_thr_lookup_tid(ptid_get_pid(inferior_ptid)); - if (kt == NULL) - return; - if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) { - warnx("kvm_read: %s", kvm_geterr(kvm)); - memset(&pcb, 0, sizeof(pcb)); - } - - supply_register(SPARC_SP_REGNUM, (char *)&pcb.pcb_sp); - sparc_supply_rwindow(current_regcache, pcb.pcb_sp, -1); - supply_register(SPARC64_PC_REGNUM, (char *)&pcb.pcb_pc); - pcb.pcb_pc += 4; - supply_register(SPARC64_NPC_REGNUM, (char *)&pcb.pcb_pc); -} - -void -kgdb_trgt_store_registers(int regno __unused) -{ - fprintf_unfiltered(gdb_stderr, "XXX: %s\n", __func__); -} - -void -kgdb_trgt_new_objfile(struct objfile *objfile) -{ -} - -struct kgdb_frame_cache { - CORE_ADDR pc; - CORE_ADDR sp; - CORE_ADDR fp; -}; - -static struct kgdb_frame_cache * -kgdb_trgt_frame_cache(struct frame_info *next_frame, void **this_cache) -{ - char buf[MAX_REGISTER_SIZE]; - struct kgdb_frame_cache *cache; - - cache = *this_cache; - if (cache == NULL) { - cache = FRAME_OBSTACK_ZALLOC(struct kgdb_frame_cache); - *this_cache = cache; - cache->pc = frame_func_unwind(next_frame); - frame_unwind_register(next_frame, SPARC_SP_REGNUM, buf); - cache->sp = extract_unsigned_integer(buf, - register_size(current_gdbarch, SPARC_SP_REGNUM)); - frame_unwind_register(next_frame, SPARC_FP_REGNUM, buf); - cache->fp = extract_unsigned_integer(buf, - register_size(current_gdbarch, SPARC_FP_REGNUM)); - cache->fp += BIAS - sizeof(struct trapframe); - } - return (cache); -} - -static void -kgdb_trgt_trapframe_this_id(struct frame_info *next_frame, void **this_cache, - struct frame_id *this_id) -{ - struct kgdb_frame_cache *cache; - - cache = kgdb_trgt_frame_cache(next_frame, this_cache); - *this_id = frame_id_build(cache->sp, cache->pc); -} - -static void -kgdb_trgt_trapframe_prev_register(struct frame_info *next_frame, - void **this_cache, int regnum, int *optimizedp, enum lval_type *lvalp, - CORE_ADDR *addrp, int *realnump, void *valuep) -{ - char dummy_valuep[MAX_REGISTER_SIZE]; - struct kgdb_frame_cache *cache; - int ofs, regsz; - - regsz = register_size(current_gdbarch, regnum); - - if (valuep == NULL) - valuep = dummy_valuep; - memset(valuep, 0, regsz); - *optimizedp = 0; - *addrp = 0; - *lvalp = not_lval; - *realnump = -1; - - cache = kgdb_trgt_frame_cache(next_frame, this_cache); - - switch (regnum) { - case SPARC_SP_REGNUM: - ofs = offsetof(struct trapframe, tf_sp); - break; - case SPARC64_PC_REGNUM: - ofs = offsetof(struct trapframe, tf_tpc); - break; - case SPARC64_NPC_REGNUM: - ofs = offsetof(struct trapframe, tf_tnpc); - break; - case SPARC_O0_REGNUM: - case SPARC_O1_REGNUM: - case SPARC_O2_REGNUM: - case SPARC_O3_REGNUM: - case SPARC_O4_REGNUM: - case SPARC_O5_REGNUM: - case SPARC_O7_REGNUM: - ofs = offsetof(struct trapframe, tf_out) + - (regnum - SPARC_O0_REGNUM) * 8; - break; - default: - if (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM) { - ofs = (regnum - SPARC_L0_REGNUM) * 8; - *addrp = cache->sp + BIAS + ofs; - *lvalp = lval_memory; - target_read_memory(*addrp, valuep, regsz); - } - return; - } - - *addrp = cache->fp + ofs; - *lvalp = lval_memory; - target_read_memory(*addrp, valuep, regsz); -} - -static const struct frame_unwind kgdb_trgt_trapframe_unwind = { - UNKNOWN_FRAME, - &kgdb_trgt_trapframe_this_id, - &kgdb_trgt_trapframe_prev_register -}; - -const struct frame_unwind * -kgdb_trgt_trapframe_sniffer(struct frame_info *next_frame) -{ - char *pname; - CORE_ADDR pc; - - pc = frame_func_unwind(next_frame); - pname = NULL; - find_pc_partial_function(pc, &pname, NULL, NULL); - if (pname == NULL) - return (NULL); - if (strcmp(pname, "tl0_intr") == 0 || - strcmp(pname, "tl0_trap") == 0 || - strcmp(pname, "tl1_intr") == 0 || - strcmp(pname, "tl1_trap") == 0) - return (&kgdb_trgt_trapframe_unwind); - /* printf("%s: %lx =%s\n", __func__, pc, pname); */ - return (NULL); -} - -/* - * This function ensures, that the PC is inside the - * function section which is understood by GDB. - * - * Return 0 when fixup is necessary, -1 otherwise. - */ -int -kgdb_trgt_pc_fixup(CORE_ADDR *pc __unused) -{ - - return (-1); -} |