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author | Ulrich Weigand <uweigand@de.ibm.com> | 2008-06-28 17:29:04 +0000 |
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committer | Ulrich Weigand <uweigand@de.ibm.com> | 2008-06-28 17:29:04 +0000 |
commit | 94afd7a6d348a66ea3fb35fdb8234b050ec8c779 (patch) | |
tree | dbf3f5264799c070696da08515f2d6260ce9df42 /gdb/sh64-tdep.c | |
parent | e111d6c9206464acdff70102b29d82b4b48d1fc1 (diff) | |
download | gdb-94afd7a6d348a66ea3fb35fdb8234b050ec8c779.zip gdb-94afd7a6d348a66ea3fb35fdb8234b050ec8c779.tar.gz gdb-94afd7a6d348a66ea3fb35fdb8234b050ec8c779.tar.bz2 |
* alphafbsd-tdep.c: Update for unwinder changes.
* alpha-linux-tdep.c: Likewise.
* alphanbsd-tdep.c: Likewise.
* alphaobsd-tdep.c: Likewise.
* avr-tdep.c: Likewise.
* cris-tdep.c: Likewise.
* frv-linux-tdep.c: Likewise.
* frv-tdep.c: Likewise.
* h8300-tdep.c: Likewise.
* hppa-linux-tdep.c: Likewise.
* iq2000-tdep.c: Likewise.
* m32c-tdep.c: Likewise.
* m32r-linux-tdep.c: Likewise.
* m32r-tdep.c: Likewise.
* m68hc11-tdep.c: Likewise.
* mep-tdep.c: Likewise.
* mn10300-tdep.c: Likewise.
* mt-tdep.c: Likewise.
* score-tdep.c: Likewise.
* sh64-tdep.c: Likewise.
* sh-tdep.c: Likewise.
* sparc64fbsd-tdep.c: Likewise.
* sparc64nbsd-tdep.c: Likewise.
* sparc64obsd-tdep.c: Likewise.
* v850-tdep.c: Likewise.
* vaxobsd-tdep.c: Likewise.
* vax-tdep.c: Likewise.
* xstormy16-tdep.c: Likewise.
Diffstat (limited to 'gdb/sh64-tdep.c')
-rw-r--r-- | gdb/sh64-tdep.c | 103 |
1 files changed, 34 insertions, 69 deletions
diff --git a/gdb/sh64-tdep.c b/gdb/sh64-tdep.c index 6ad32f0..5456be7 100644 --- a/gdb/sh64-tdep.c +++ b/gdb/sh64-tdep.c @@ -2263,7 +2263,7 @@ sh64_alloc_frame_cache (void) } static struct sh64_frame_cache * -sh64_frame_cache (struct frame_info *next_frame, void **this_cache) +sh64_frame_cache (struct frame_info *this_frame, void **this_cache) { struct gdbarch *gdbarch; struct sh64_frame_cache *cache; @@ -2273,11 +2273,11 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache) if (*this_cache) return *this_cache; - gdbarch = get_frame_arch (next_frame); + gdbarch = get_frame_arch (this_frame); cache = sh64_alloc_frame_cache (); *this_cache = cache; - current_pc = frame_pc_unwind (next_frame); + current_pc = get_frame_pc (this_frame); cache->media_mode = pc_is_isa32 (current_pc); /* In principle, for normal frames, fp holds the frame pointer, @@ -2285,11 +2285,11 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache) However, for functions that don't need it, the frame pointer is optional. For these "frameless" functions the frame pointer is actually the frame pointer of the calling frame. */ - cache->base = frame_unwind_register_unsigned (next_frame, MEDIA_FP_REGNUM); + cache->base = get_frame_register_unsigned (this_frame, MEDIA_FP_REGNUM); if (cache->base == 0) return cache; - cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME); + cache->pc = get_frame_func (this_frame); if (cache->pc != 0) sh64_analyze_prologue (gdbarch, cache, cache->pc, current_pc); @@ -2302,8 +2302,8 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache) setup yet. Try to reconstruct the base address for the stack frame by looking at the stack pointer. For truly "frameless" functions this might work too. */ - cache->base = frame_unwind_register_unsigned - (next_frame, gdbarch_sp_regnum (gdbarch)); + cache->base = get_frame_register_unsigned + (this_frame, gdbarch_sp_regnum (gdbarch)); } /* Now that we have the base address for the stack frame we can @@ -2319,33 +2319,17 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache) return cache; } -static void -sh64_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 * +sh64_frame_prev_register (struct frame_info *this_frame, + void **this_cache, int regnum) { - struct sh64_frame_cache *cache = sh64_frame_cache (next_frame, this_cache); - struct gdbarch *gdbarch = get_frame_arch (next_frame); + struct sh64_frame_cache *cache = sh64_frame_cache (this_frame, this_cache); + struct gdbarch *gdbarch = get_frame_arch (this_frame); gdb_assert (regnum >= 0); if (regnum == gdbarch_sp_regnum (gdbarch) && cache->saved_sp) - { - *optimizedp = 0; - *lvalp = not_lval; - *addrp = 0; - *realnump = -1; - if (valuep) - { - /* Store the value. */ - store_unsigned_integer (valuep, - register_size (gdbarch, - gdbarch_sp_regnum (gdbarch)), - cache->saved_sp); - } - return; - } + frame_unwind_got_constant (this_frame, regnum, cache->saved_sp); /* The PC of the previous frame is stored in the PR register of the current frame. Frob regnum so that we pull the value from @@ -2355,42 +2339,26 @@ sh64_frame_prev_register (struct frame_info *next_frame, void **this_cache, if (regnum < SIM_SH64_NR_REGS && cache->saved_regs[regnum] != -1) { - int reg_size = register_size (gdbarch, regnum); - int size; - - *optimizedp = 0; - *lvalp = lval_memory; - *addrp = cache->saved_regs[regnum]; - *realnump = -1; if (gdbarch_tdep (gdbarch)->sh_abi == SH_ABI_32 && (regnum == MEDIA_FP_REGNUM || regnum == PR_REGNUM)) - size = 4; - else - size = reg_size; - if (valuep) { - memset (valuep, 0, reg_size); - if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE) - read_memory (*addrp, valuep, size); - else - read_memory (*addrp, (char *) valuep + reg_size - size, size); + CORE_ADDR val; + val = read_memory_unsigned_integer (cache->saved_regs[regnum], 4); + return frame_unwind_got_constant (this_frame, regnum, val); } - return; + + return frame_unwind_got_memory (this_frame, regnum, + cache->saved_regs[regnum]); } - *optimizedp = 0; - *lvalp = lval_register; - *addrp = 0; - *realnump = regnum; - if (valuep) - frame_unwind_register (next_frame, (*realnump), valuep); + return frame_unwind_got_register (this_frame, regnum, regnum); } static void -sh64_frame_this_id (struct frame_info *next_frame, void **this_cache, +sh64_frame_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id) { - struct sh64_frame_cache *cache = sh64_frame_cache (next_frame, this_cache); + struct sh64_frame_cache *cache = sh64_frame_cache (this_frame, this_cache); /* This marks the outermost frame. */ if (cache->base == 0) @@ -2402,15 +2370,11 @@ sh64_frame_this_id (struct frame_info *next_frame, void **this_cache, static const struct frame_unwind sh64_frame_unwind = { NORMAL_FRAME, sh64_frame_this_id, - sh64_frame_prev_register + sh64_frame_prev_register, + NULL, + default_frame_sniffer }; -static const struct frame_unwind * -sh64_frame_sniffer (struct frame_info *next_frame) -{ - return &sh64_frame_unwind; -} - static CORE_ADDR sh64_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame) { @@ -2426,16 +2390,17 @@ sh64_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) } static struct frame_id -sh64_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame) +sh64_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame) { - return frame_id_build (sh64_unwind_sp (gdbarch, next_frame), - frame_pc_unwind (next_frame)); + CORE_ADDR sp = get_frame_register_unsigned (this_frame, + gdbarch_sp_regnum (gdbarch)); + return frame_id_build (sp, get_frame_pc (this_frame)); } static CORE_ADDR -sh64_frame_base_address (struct frame_info *next_frame, void **this_cache) +sh64_frame_base_address (struct frame_info *this_frame, void **this_cache) { - struct sh64_frame_cache *cache = sh64_frame_cache (next_frame, this_cache); + struct sh64_frame_cache *cache = sh64_frame_cache (this_frame, this_cache); return cache->base; } @@ -2521,7 +2486,7 @@ sh64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_frame_align (gdbarch, sh64_frame_align); set_gdbarch_unwind_sp (gdbarch, sh64_unwind_sp); set_gdbarch_unwind_pc (gdbarch, sh64_unwind_pc); - set_gdbarch_unwind_dummy_id (gdbarch, sh64_unwind_dummy_id); + set_gdbarch_dummy_id (gdbarch, sh64_dummy_id); frame_base_set_default (gdbarch, &sh64_frame_base); set_gdbarch_print_registers_info (gdbarch, sh64_print_registers_info); @@ -2532,8 +2497,8 @@ sh64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) /* Hook in ABI-specific overrides, if they have been registered. */ gdbarch_init_osabi (info, gdbarch); - frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer); - frame_unwind_append_sniffer (gdbarch, sh64_frame_sniffer); + dwarf2_append_unwinders (gdbarch); + frame_unwind_append_unwinder (gdbarch, &sh64_frame_unwind); return gdbarch; } |