diff options
Diffstat (limited to 'gdb/sparc64nbsd-tdep.c')
| -rw-r--r-- | gdb/sparc64nbsd-tdep.c | 65 |
1 files changed, 32 insertions, 33 deletions
diff --git a/gdb/sparc64nbsd-tdep.c b/gdb/sparc64nbsd-tdep.c index 67b7900..45d52ec 100644 --- a/gdb/sparc64nbsd-tdep.c +++ b/gdb/sparc64nbsd-tdep.c @@ -90,13 +90,13 @@ sparc64nbsd_pc_in_sigtramp (CORE_ADDR pc, char *name) struct trad_frame_saved_reg * sparc64nbsd_sigcontext_saved_regs (CORE_ADDR sigcontext_addr, - struct frame_info *next_frame) + struct frame_info *this_frame) { struct trad_frame_saved_reg *saved_regs; CORE_ADDR addr, sp; int regnum, delta; - saved_regs = trad_frame_alloc_saved_regs (next_frame); + saved_regs = trad_frame_alloc_saved_regs (this_frame); /* The registers are saved in bits and pieces scattered all over the place. The code below records their location on the assumption @@ -127,7 +127,7 @@ sparc64nbsd_sigcontext_saved_regs (CORE_ADDR sigcontext_addr, /* The `local' and `in' registers have been saved in the register save area. */ addr = saved_regs[SPARC_SP_REGNUM].addr; - sp = get_frame_memory_unsigned (next_frame, addr, 8); + sp = get_frame_memory_unsigned (this_frame, addr, 8); for (regnum = SPARC_L0_REGNUM, addr = sp + BIAS; regnum <= SPARC_I7_REGNUM; regnum++, addr += 8) saved_regs[regnum].addr = addr; @@ -141,7 +141,7 @@ sparc64nbsd_sigcontext_saved_regs (CORE_ADDR sigcontext_addr, ULONGEST i7; addr = saved_regs[SPARC_I7_REGNUM].addr; - i7 = get_frame_memory_unsigned (next_frame, addr, 8); + i7 = get_frame_memory_unsigned (this_frame, addr, 8); trad_frame_set_value (saved_regs, SPARC_I7_REGNUM, i7 ^ wcookie); } } @@ -152,7 +152,7 @@ sparc64nbsd_sigcontext_saved_regs (CORE_ADDR sigcontext_addr, } static struct sparc_frame_cache * -sparc64nbsd_sigcontext_frame_cache (struct frame_info *next_frame, +sparc64nbsd_sigcontext_frame_cache (struct frame_info *this_frame, void **this_cache) { struct sparc_frame_cache *cache; @@ -161,7 +161,7 @@ sparc64nbsd_sigcontext_frame_cache (struct frame_info *next_frame, if (*this_cache) return *this_cache; - cache = sparc_frame_cache (next_frame, this_cache); + cache = sparc_frame_cache (this_frame, this_cache); gdb_assert (cache == *this_cache); /* If we couldn't find the frame's function, we're probably dealing @@ -173,7 +173,7 @@ sparc64nbsd_sigcontext_frame_cache (struct frame_info *next_frame, /* Since we couldn't find the frame's function, the cache was initialized under the assumption that we're frameless. */ cache->frameless_p = 0; - addr = frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM); + addr = get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM); if (addr & 1) addr += BIAS; cache->base = addr; @@ -182,59 +182,58 @@ sparc64nbsd_sigcontext_frame_cache (struct frame_info *next_frame, /* We find the appropriate instance of `struct sigcontext' at a fixed offset in the signal frame. */ addr = cache->base + 128 + 8; - cache->saved_regs = sparc64nbsd_sigcontext_saved_regs (addr, next_frame); + cache->saved_regs = sparc64nbsd_sigcontext_saved_regs (addr, this_frame); return cache; } static void -sparc64nbsd_sigcontext_frame_this_id (struct frame_info *next_frame, +sparc64nbsd_sigcontext_frame_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id) { struct sparc_frame_cache *cache = - sparc64nbsd_sigcontext_frame_cache (next_frame, this_cache); + sparc64nbsd_sigcontext_frame_cache (this_frame, this_cache); (*this_id) = frame_id_build (cache->base, cache->pc); } -static void -sparc64nbsd_sigcontext_frame_prev_register (struct frame_info *next_frame, - void **this_cache, - int regnum, int *optimizedp, - enum lval_type *lvalp, - CORE_ADDR *addrp, - int *realnump, gdb_byte *valuep) +static struct value * +sparc64nbsd_sigcontext_frame_prev_register (struct frame_info *this_frame, + void **this_cache, int regnum) { struct sparc_frame_cache *cache = - sparc64nbsd_sigcontext_frame_cache (next_frame, this_cache); + sparc64nbsd_sigcontext_frame_cache (this_frame, this_cache); - trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum, - optimizedp, lvalp, addrp, realnump, valuep); + return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum); } -static const struct frame_unwind sparc64nbsd_sigcontext_frame_unwind = -{ - SIGTRAMP_FRAME, - sparc64nbsd_sigcontext_frame_this_id, - sparc64nbsd_sigcontext_frame_prev_register -}; - -static const struct frame_unwind * -sparc64nbsd_sigtramp_frame_sniffer (struct frame_info *next_frame) +static int +sparc64nbsd_sigtramp_frame_sniffer (const struct frame_unwind *self, + struct frame_info *this_frame, + void **this_cache) { - CORE_ADDR pc = frame_pc_unwind (next_frame); + CORE_ADDR pc = get_frame_pc (this_frame); char *name; find_pc_partial_function (pc, &name, NULL, NULL); if (sparc64nbsd_pc_in_sigtramp (pc, name)) { if (name == NULL || strncmp (name, "__sigtramp_sigcontext", 21)) - return &sparc64nbsd_sigcontext_frame_unwind; + return 1; } - return NULL; + return 0; } + +static const struct frame_unwind sparc64nbsd_sigcontext_frame_unwind = +{ + SIGTRAMP_FRAME, + sparc64nbsd_sigcontext_frame_this_id, + sparc64nbsd_sigcontext_frame_prev_register, + NULL, + sparc64nbsd_sigtramp_frame_sniffer +}; static void @@ -251,7 +250,7 @@ sparc64nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Make sure we can single-step "new" syscalls. */ tdep->step_trap = sparcnbsd_step_trap; - frame_unwind_append_sniffer (gdbarch, sparc64nbsd_sigtramp_frame_sniffer); + frame_unwind_append_unwinder (gdbarch, &sparc64nbsd_sigcontext_frame_unwind); sparc64_init_abi (info, gdbarch); |