X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fvaxobsd-tdep.c;h=802016126ce71777a713939fc5eff864cfdbd75b;hb=9f1b45b0da430a7a7abf9e54acbe6f2ef9d3a763;hp=cb2a478e290f17a20b140789e9dde1f633543b02;hpb=a9762ec78a53fbe9209fe1654db42df0cd328d50;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/vaxobsd-tdep.c b/gdb/vaxobsd-tdep.c index cb2a478e29..802016126c 100644 --- a/gdb/vaxobsd-tdep.c +++ b/gdb/vaxobsd-tdep.c @@ -1,6 +1,6 @@ /* Target-dependent code for OpenBSD/vax. - Copyright (C) 2005, 2007 Free Software Foundation, Inc. + Copyright (C) 2005-2014 Free Software Foundation, Inc. This file is part of GDB. @@ -27,7 +27,7 @@ #include "vax-tdep.h" -#include "gdb_string.h" +#include /* Signal trampolines. */ @@ -57,20 +57,22 @@ static const gdb_byte vaxobsd_sigreturn[] = { }; static int -vaxobsd_sigtramp_p (struct frame_info *next_frame) +vaxobsd_sigtramp_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); CORE_ADDR start_pc = (pc & ~(vaxobsd_page_size - 1)); CORE_ADDR sigreturn_addr = start_pc + vaxobsd_sigreturn_offset; gdb_byte *buf; - char *name; + const char *name; find_pc_partial_function (pc, &name, NULL, NULL); if (name) return 0; buf = alloca(sizeof vaxobsd_sigreturn); - if (!safe_frame_unwind_memory (next_frame, sigreturn_addr, + if (!safe_frame_unwind_memory (this_frame, sigreturn_addr, buf, sizeof vaxobsd_sigreturn)) return 0; @@ -81,7 +83,7 @@ vaxobsd_sigtramp_p (struct frame_info *next_frame) } static struct trad_frame_cache * -vaxobsd_sigtramp_frame_cache (struct frame_info *next_frame, void **this_cache) +vaxobsd_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache) { struct trad_frame_cache *cache; CORE_ADDR addr, base, func; @@ -89,14 +91,14 @@ vaxobsd_sigtramp_frame_cache (struct frame_info *next_frame, void **this_cache) if (*this_cache) return *this_cache; - cache = trad_frame_cache_zalloc (next_frame); + cache = trad_frame_cache_zalloc (this_frame); *this_cache = cache; - func = frame_pc_unwind (next_frame); + func = get_frame_pc (this_frame); func &= ~(vaxobsd_page_size - 1); - base = frame_unwind_register_unsigned (next_frame, VAX_SP_REGNUM); - addr = get_frame_memory_unsigned (next_frame, base - 4, 4); + base = get_frame_register_unsigned (this_frame, VAX_SP_REGNUM); + addr = get_frame_memory_unsigned (this_frame, base - 4, 4); trad_frame_set_reg_addr (cache, VAX_SP_REGNUM, addr + 8); trad_frame_set_reg_addr (cache, VAX_FP_REGNUM, addr + 12); @@ -111,43 +113,33 @@ vaxobsd_sigtramp_frame_cache (struct frame_info *next_frame, void **this_cache) } static void -vaxobsd_sigtramp_frame_this_id (struct frame_info *next_frame, +vaxobsd_sigtramp_frame_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id) { struct trad_frame_cache *cache = - vaxobsd_sigtramp_frame_cache (next_frame, this_cache); + vaxobsd_sigtramp_frame_cache (this_frame, this_cache); trad_frame_get_id (cache, this_id); } -static void -vaxobsd_sigtramp_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 * +vaxobsd_sigtramp_frame_prev_register (struct frame_info *this_frame, + void **this_cache, int regnum) { struct trad_frame_cache *cache = - vaxobsd_sigtramp_frame_cache (next_frame, this_cache); + vaxobsd_sigtramp_frame_cache (this_frame, this_cache); - trad_frame_get_register (cache, next_frame, regnum, - optimizedp, lvalp, addrp, realnump, valuep); + return trad_frame_get_register (cache, this_frame, regnum); } static const struct frame_unwind vaxobsd_sigtramp_frame_unwind = { SIGTRAMP_FRAME, + default_frame_unwind_stop_reason, vaxobsd_sigtramp_frame_this_id, - vaxobsd_sigtramp_frame_prev_register + vaxobsd_sigtramp_frame_prev_register, + NULL, + vaxobsd_sigtramp_sniffer }; - -static const struct frame_unwind * -vaxobsd_sigtramp_frame_sniffer (struct frame_info *next_frame) -{ - if (vaxobsd_sigtramp_p (next_frame)) - return &vaxobsd_sigtramp_frame_unwind; - - return NULL; -} /* OpenBSD a.out. */ @@ -155,7 +147,7 @@ vaxobsd_sigtramp_frame_sniffer (struct frame_info *next_frame) static void vaxobsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { - frame_unwind_append_sniffer (gdbarch, vaxobsd_sigtramp_frame_sniffer); + frame_unwind_append_unwinder (gdbarch, &vaxobsd_sigtramp_frame_unwind); } /* FIXME: kettenis/20050821: Since OpenBSD/vax binaries are