From 7ea566bee7efd9a4249255fdda3c3a8e6445396e Mon Sep 17 00:00:00 2001 From: Mark Kettenis Date: Thu, 29 May 2008 15:51:37 +0000 Subject: * sparcnbsd-tdep.c, sparcobsd-tdep.c: Update for unwinder changes. --- gdb/ChangeLog | 4 +++ gdb/sparcnbsd-tdep.c | 71 ++++++++++++++++++++++++++-------------------------- gdb/sparcobsd-tdep.c | 62 +++++++++++++++++++++++---------------------- 3 files changed, 71 insertions(+), 66 deletions(-) (limited to 'gdb') diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 39bef3c..8e7f103 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2008-05-29 Mark Kettenis + + * sparcnbsd-tdep.c, sparcobsd-tdep.c: Update for unwinder changes. + 2008-05-28 Joel Brobecker * ia64-tdep.c (ia64_convert_from_func_ptr_addr): Improve the heuristic diff --git a/gdb/sparcnbsd-tdep.c b/gdb/sparcnbsd-tdep.c index 6fe5fa1..0ea6358 100644 --- a/gdb/sparcnbsd-tdep.c +++ b/gdb/sparcnbsd-tdep.c @@ -97,18 +97,18 @@ sparc32nbsd_pc_in_sigtramp (CORE_ADDR pc, char *name) } struct trad_frame_saved_reg * -sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame) +sparc32nbsd_sigcontext_saved_regs (struct frame_info *this_frame) { struct trad_frame_saved_reg *saved_regs; CORE_ADDR addr, sigcontext_addr; int regnum, delta; ULONGEST psr; - saved_regs = trad_frame_alloc_saved_regs (next_frame); + saved_regs = trad_frame_alloc_saved_regs (this_frame); /* We find the appropriate instance of `struct sigcontext' at a fixed offset in the signal frame. */ - addr = frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM); + addr = get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM); sigcontext_addr = addr + 64 + 16; /* The registers are saved in bits and pieces scattered all over the @@ -140,7 +140,7 @@ sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame) /* The `local' and `in' registers have been saved in the register save area. */ addr = saved_regs[SPARC_SP_REGNUM].addr; - addr = get_frame_memory_unsigned (next_frame, addr, 4); + addr = get_frame_memory_unsigned (this_frame, addr, 4); for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++, addr += 4) saved_regs[regnum].addr = addr; @@ -154,7 +154,7 @@ sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame) ULONGEST i7; addr = saved_regs[SPARC_I7_REGNUM].addr; - i7 = get_frame_memory_unsigned (next_frame, addr, 4); + i7 = get_frame_memory_unsigned (this_frame, addr, 4); trad_frame_set_value (saved_regs, SPARC_I7_REGNUM, i7 ^ wcookie); } } @@ -165,12 +165,12 @@ sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame) #define PSR_EF 0x00001000 addr = saved_regs[SPARC32_PSR_REGNUM].addr; - psr = get_frame_memory_unsigned (next_frame, addr, 4); + psr = get_frame_memory_unsigned (this_frame, addr, 4); if (psr & PSR_EF) { CORE_ADDR sp; - sp = frame_unwind_register_unsigned (next_frame, SPARC_SP_REGNUM); + sp = get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM); saved_regs[SPARC32_FSR_REGNUM].addr = sp + 96; for (regnum = SPARC_F0_REGNUM, addr = sp + 96 + 8; regnum <= SPARC_F31_REGNUM; regnum++, addr += 4) @@ -181,7 +181,7 @@ sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame) } static struct sparc_frame_cache * -sparc32nbsd_sigcontext_frame_cache (struct frame_info *next_frame, +sparc32nbsd_sigcontext_frame_cache (struct frame_info *this_frame, void **this_cache) { struct sparc_frame_cache *cache; @@ -190,7 +190,7 @@ sparc32nbsd_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 @@ -202,63 +202,62 @@ sparc32nbsd_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); cache->base = addr; } - cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (next_frame); + cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (this_frame); return cache; } static void -sparc32nbsd_sigcontext_frame_this_id (struct frame_info *next_frame, +sparc32nbsd_sigcontext_frame_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id) { struct sparc_frame_cache *cache = - sparc32nbsd_sigcontext_frame_cache (next_frame, this_cache); + sparc32nbsd_sigcontext_frame_cache (this_frame, this_cache); (*this_id) = frame_id_build (cache->base, cache->pc); } -static void -sparc32nbsd_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 * +sparc32nbsd_sigcontext_frame_prev_register (struct frame_info *this_frame, + void **this_cache, int regnum) { struct sparc_frame_cache *cache = - sparc32nbsd_sigcontext_frame_cache (next_frame, this_cache); + sparc32nbsd_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 sparc32nbsd_sigcontext_frame_unwind = -{ - SIGTRAMP_FRAME, - sparc32nbsd_sigcontext_frame_this_id, - sparc32nbsd_sigcontext_frame_prev_register -}; - -static const struct frame_unwind * -sparc32nbsd_sigtramp_frame_sniffer (struct frame_info *next_frame) +static int +sparc32nbsd_sigcontext_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 (sparc32nbsd_pc_in_sigtramp (pc, name)) { if (name == NULL || strncmp (name, "__sigtramp_sigcontext", 21)) - return &sparc32nbsd_sigcontext_frame_unwind; + return 1; } - return NULL; + return 0; } + +static const struct frame_unwind sparc32nbsd_sigcontext_frame_unwind = +{ + SIGTRAMP_FRAME, + sparc32nbsd_sigcontext_frame_this_id, + sparc32nbsd_sigcontext_frame_prev_register, + NULL, + sparc32nbsd_sigcontext_frame_sniffer +}; /* Return the address of a system call's alternative return address. */ @@ -300,7 +299,7 @@ sparc32nbsd_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, sparc32nbsd_sigtramp_frame_sniffer); + frame_unwind_append_unwinder (gdbarch, &sparc32nbsd_sigcontext_frame_unwind); } static void diff --git a/gdb/sparcobsd-tdep.c b/gdb/sparcobsd-tdep.c index adfbd3b..d759422 100644 --- a/gdb/sparcobsd-tdep.c +++ b/gdb/sparcobsd-tdep.c @@ -69,7 +69,8 @@ sparc32obsd_pc_in_sigtramp (CORE_ADDR pc, char *name) } static struct sparc_frame_cache * -sparc32obsd_frame_cache (struct frame_info *next_frame, void **this_cache) +sparc32obsd_sigtramp_frame_cache (struct frame_info *this_frame, + void **this_cache) { struct sparc_frame_cache *cache; CORE_ADDR addr; @@ -77,71 +78,72 @@ sparc32obsd_frame_cache (struct frame_info *next_frame, void **this_cache) 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 with an on-stack signal trampoline. */ if (cache->pc == 0) { - cache->pc = frame_pc_unwind (next_frame); + cache->pc = get_frame_pc (this_frame); cache->pc &= ~(sparc32obsd_page_size - 1); /* 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); cache->base = addr; } - cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (next_frame); + cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (this_frame); return cache; } static void -sparc32obsd_frame_this_id (struct frame_info *next_frame, void **this_cache, - struct frame_id *this_id) +sparc32obsd_sigtramp_frame_this_id (struct frame_info *this_frame, + void **this_cache, + struct frame_id *this_id) { struct sparc_frame_cache *cache = - sparc32obsd_frame_cache (next_frame, this_cache); + sparc32obsd_sigtramp_frame_cache (this_frame, this_cache); (*this_id) = frame_id_build (cache->base, cache->pc); } -static void -sparc32obsd_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 * +sparc32obsd_sigtramp_frame_prev_register (struct frame_info *this_frame, + void **this_cache, int regnum) { struct sparc_frame_cache *cache = - sparc32obsd_frame_cache (next_frame, this_cache); + sparc32obsd_sigtramp_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 sparc32obsd_frame_unwind = -{ - SIGTRAMP_FRAME, - sparc32obsd_frame_this_id, - sparc32obsd_frame_prev_register -}; - -static const struct frame_unwind * -sparc32obsd_sigtramp_frame_sniffer (struct frame_info *next_frame) +static int +sparc32obsd_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 (sparc32obsd_pc_in_sigtramp (pc, name)) - return &sparc32obsd_frame_unwind; + return 1; - return NULL; + return 0; } +static const struct frame_unwind sparc32obsd_sigtramp_frame_unwind = +{ + SIGTRAMP_FRAME, + sparc32obsd_sigtramp_frame_this_id, + sparc32obsd_sigtramp_frame_prev_register, + NULL, + sparc32obsd_sigtramp_frame_sniffer +}; + /* Offset wthin the thread structure where we can find %fp and %i7. */ @@ -236,7 +238,7 @@ sparc32obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver); - frame_unwind_append_sniffer (gdbarch, sparc32obsd_sigtramp_frame_sniffer); + frame_unwind_append_unwinder (gdbarch, &sparc32obsd_sigtramp_frame_unwind); /* OpenBSD provides a user-level threads implementation. */ bsd_uthread_set_supply_uthread (gdbarch, sparc32obsd_supply_uthread); -- cgit v1.1