* sparc-tdep.c, sparc-tdep.h, sparc-sol2-tdep.c, sparc64-tdep.c,
sparc64-sol2-tdep.c: Update for unwinder changes.
This commit is contained in:
parent
8374f9d4b5
commit
236369e7e7
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@ -1,3 +1,8 @@
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2008-05-07 Joel Brobecker <brobecker@adacore.com>
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* sparc-tdep.c, sparc-tdep.h, sparc-sol2-tdep.c, sparc64-tdep.c,
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sparc64-sol2-tdep.c: Update for unwinder changes.
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2008-05-07 Daniel Jacobowitz <dan@codesourcery.com>
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* cp-support.c (mangled_name_to_comp): Initialize storage.
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@ -74,7 +74,7 @@ sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name)
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}
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static struct sparc_frame_cache *
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sparc32_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
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sparc32_sol2_sigtramp_frame_cache (struct frame_info *this_frame,
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void **this_cache)
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{
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struct sparc_frame_cache *cache;
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@ -84,16 +84,16 @@ sparc32_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
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if (*this_cache)
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return *this_cache;
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cache = sparc_frame_cache (next_frame, this_cache);
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cache = sparc_frame_cache (this_frame, this_cache);
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gdb_assert (cache == *this_cache);
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cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
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cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
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/* The third argument is a pointer to an instance of `ucontext_t',
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which has a member `uc_mcontext' that contains the saved
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registers. */
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regnum = (cache->frameless_p ? SPARC_O2_REGNUM : SPARC_I2_REGNUM);
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mcontext_addr = frame_unwind_register_unsigned (next_frame, regnum) + 40;
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mcontext_addr = get_frame_register_unsigned (this_frame, regnum) + 40;
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cache->saved_regs[SPARC32_PSR_REGNUM].addr = mcontext_addr + 0 * 4;
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cache->saved_regs[SPARC32_PC_REGNUM].addr = mcontext_addr + 1 * 4;
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@ -105,7 +105,7 @@ sparc32_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
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regnum <= SPARC_O7_REGNUM; regnum++, addr += 4)
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cache->saved_regs[regnum].addr = addr;
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if (get_frame_memory_unsigned (next_frame, mcontext_addr + 19 * 4, 4))
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if (get_frame_memory_unsigned (this_frame, mcontext_addr + 19 * 4, 4))
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{
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/* The register windows haven't been flushed. */
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for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
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@ -114,7 +114,7 @@ sparc32_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
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else
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{
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addr = cache->saved_regs[SPARC_SP_REGNUM].addr;
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addr = get_frame_memory_unsigned (next_frame, addr, 4);
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addr = get_frame_memory_unsigned (this_frame, addr, 4);
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for (regnum = SPARC_L0_REGNUM;
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regnum <= SPARC_I7_REGNUM; regnum++, addr += 4)
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cache->saved_regs[regnum].addr = addr;
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@ -124,51 +124,51 @@ sparc32_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
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}
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static void
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sparc32_sol2_sigtramp_frame_this_id (struct frame_info *next_frame,
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sparc32_sol2_sigtramp_frame_this_id (struct frame_info *this_frame,
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void **this_cache,
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struct frame_id *this_id)
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{
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struct sparc_frame_cache *cache =
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sparc32_sol2_sigtramp_frame_cache (next_frame, this_cache);
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sparc32_sol2_sigtramp_frame_cache (this_frame, this_cache);
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(*this_id) = frame_id_build (cache->base, cache->pc);
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}
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static void
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sparc32_sol2_sigtramp_frame_prev_register (struct frame_info *next_frame,
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static struct value *
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sparc32_sol2_sigtramp_frame_prev_register (struct frame_info *this_frame,
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void **this_cache,
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int regnum, int *optimizedp,
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enum lval_type *lvalp,
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CORE_ADDR *addrp,
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int *realnump, gdb_byte *valuep)
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int regnum)
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{
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struct sparc_frame_cache *cache =
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sparc32_sol2_sigtramp_frame_cache (next_frame, this_cache);
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sparc32_sol2_sigtramp_frame_cache (this_frame, this_cache);
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trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
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optimizedp, lvalp, addrp, realnump, valuep);
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return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
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}
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static int
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sparc32_sol2_sigtramp_frame_sniffer (const struct frame_unwind *self,
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struct frame_info *this_frame,
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void **this_cache)
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{
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CORE_ADDR pc = get_frame_pc (this_frame);
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char *name;
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find_pc_partial_function (pc, &name, NULL, NULL);
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if (sparc_sol2_pc_in_sigtramp (pc, name))
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return 1;
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return 0;
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}
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static const struct frame_unwind sparc32_sol2_sigtramp_frame_unwind =
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{
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SIGTRAMP_FRAME,
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sparc32_sol2_sigtramp_frame_this_id,
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sparc32_sol2_sigtramp_frame_prev_register
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sparc32_sol2_sigtramp_frame_prev_register,
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NULL,
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sparc32_sol2_sigtramp_frame_sniffer
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};
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static const struct frame_unwind *
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sparc32_sol2_sigtramp_frame_sniffer (struct frame_info *next_frame)
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{
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CORE_ADDR pc = frame_pc_unwind (next_frame);
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char *name;
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find_pc_partial_function (pc, &name, NULL, NULL);
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if (sparc_sol2_pc_in_sigtramp (pc, name))
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return &sparc32_sol2_sigtramp_frame_unwind;
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return NULL;
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}
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/* Unglobalize NAME. */
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char *
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@ -229,7 +229,7 @@ sparc32_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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/* Solaris has kernel-assisted single-stepping support. */
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set_gdbarch_software_single_step (gdbarch, NULL);
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frame_unwind_append_sniffer (gdbarch, sparc32_sol2_sigtramp_frame_sniffer);
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frame_unwind_append_unwinder (gdbarch, &sparc32_sol2_sigtramp_frame_unwind);
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}
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128
gdb/sparc-tdep.c
128
gdb/sparc-tdep.c
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@ -768,10 +768,10 @@ sparc_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc,
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}
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static CORE_ADDR
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sparc_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
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sparc_unwind_pc (struct gdbarch *gdbarch, struct frame_info *this_frame)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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return frame_unwind_register_unsigned (next_frame, tdep->pc_regnum);
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return frame_unwind_register_unsigned (this_frame, tdep->pc_regnum);
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}
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/* Return PC of first real instruction of the function starting at
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@ -830,7 +830,7 @@ sparc32_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
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/* Normal frames. */
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struct sparc_frame_cache *
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sparc_frame_cache (struct frame_info *next_frame, void **this_cache)
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sparc_frame_cache (struct frame_info *this_frame, void **this_cache)
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{
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struct sparc_frame_cache *cache;
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@ -840,10 +840,10 @@ sparc_frame_cache (struct frame_info *next_frame, void **this_cache)
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cache = sparc_alloc_frame_cache ();
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*this_cache = cache;
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cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
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cache->pc = get_frame_func (this_frame);
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if (cache->pc != 0)
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sparc_analyze_prologue (get_frame_arch (next_frame), cache->pc,
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frame_pc_unwind (next_frame), cache);
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sparc_analyze_prologue (get_frame_arch (this_frame), cache->pc,
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get_frame_pc (this_frame), cache);
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if (cache->frameless_p)
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{
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@ -851,14 +851,14 @@ sparc_frame_cache (struct frame_info *next_frame, void **this_cache)
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pointer for our calling frame. Use %sp (%o6) as this frame's
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base address. */
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cache->base =
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frame_unwind_register_unsigned (next_frame, SPARC_SP_REGNUM);
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get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
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}
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else
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{
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/* For normal frames, %fp (%i6) holds the frame pointer, the
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base address for the current stack frame. */
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cache->base =
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frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM);
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get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM);
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}
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if (cache->base & 1)
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@ -885,7 +885,7 @@ sparc32_struct_return_from_sym (struct symbol *sym)
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}
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struct sparc_frame_cache *
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sparc32_frame_cache (struct frame_info *next_frame, void **this_cache)
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sparc32_frame_cache (struct frame_info *this_frame, void **this_cache)
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{
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struct sparc_frame_cache *cache;
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struct symbol *sym;
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if (*this_cache)
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return *this_cache;
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cache = sparc_frame_cache (next_frame, this_cache);
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cache = sparc_frame_cache (this_frame, this_cache);
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sym = find_pc_function (cache->pc);
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if (sym)
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CORE_ADDR pc;
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int regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
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pc = frame_unwind_register_unsigned (next_frame, regnum) + 8;
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pc = get_frame_register_unsigned (this_frame, regnum) + 8;
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if (sparc_is_unimp_insn (pc))
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cache->struct_return_p = 1;
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}
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}
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static void
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sparc32_frame_this_id (struct frame_info *next_frame, void **this_cache,
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sparc32_frame_this_id (struct frame_info *this_frame, void **this_cache,
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struct frame_id *this_id)
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{
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struct sparc_frame_cache *cache =
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sparc32_frame_cache (next_frame, this_cache);
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sparc32_frame_cache (this_frame, this_cache);
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/* This marks the outermost frame. */
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if (cache->base == 0)
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(*this_id) = frame_id_build (cache->base, cache->pc);
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}
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static void
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sparc32_frame_prev_register (struct frame_info *next_frame, void **this_cache,
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int regnum, int *optimizedp,
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enum lval_type *lvalp, CORE_ADDR *addrp,
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int *realnump, gdb_byte *valuep)
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static struct value *
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sparc32_frame_prev_register (struct frame_info *this_frame,
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void **this_cache, int regnum)
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{
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struct sparc_frame_cache *cache =
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sparc32_frame_cache (next_frame, this_cache);
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sparc32_frame_cache (this_frame, this_cache);
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if (regnum == SPARC32_PC_REGNUM || regnum == SPARC32_NPC_REGNUM)
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{
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*optimizedp = 0;
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*lvalp = not_lval;
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*addrp = 0;
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*realnump = -1;
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if (valuep)
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{
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CORE_ADDR pc = (regnum == SPARC32_NPC_REGNUM) ? 4 : 0;
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CORE_ADDR pc = (regnum == SPARC32_NPC_REGNUM) ? 4 : 0;
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/* If this functions has a Structure, Union or
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Quad-Precision return value, we have to skip the UNIMP
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instruction that encodes the size of the structure. */
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if (cache->struct_return_p)
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pc += 4;
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/* If this functions has a Structure, Union or Quad-Precision
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return value, we have to skip the UNIMP instruction that encodes
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the size of the structure. */
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if (cache->struct_return_p)
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pc += 4;
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regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
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pc += frame_unwind_register_unsigned (next_frame, regnum) + 8;
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store_unsigned_integer (valuep, 4, pc);
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}
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return;
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regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
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pc += get_frame_register_unsigned (this_frame, regnum) + 8;
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return frame_unwind_got_constant (this_frame, regnum, pc);
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}
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/* Handle StackGhost. */
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@ -971,20 +961,12 @@ sparc32_frame_prev_register (struct frame_info *next_frame, void **this_cache,
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if (wcookie != 0 && !cache->frameless_p && regnum == SPARC_I7_REGNUM)
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{
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*optimizedp = 0;
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*lvalp = not_lval;
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*addrp = 0;
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*realnump = -1;
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if (valuep)
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{
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CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
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ULONGEST i7;
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CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
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ULONGEST i7;
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/* Read the value in from memory. */
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i7 = get_frame_memory_unsigned (next_frame, addr, 4);
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store_unsigned_integer (valuep, 4, i7 ^ wcookie);
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}
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return;
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/* Read the value in from memory. */
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i7 = get_frame_memory_unsigned (this_frame, addr, 4);
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return frame_unwind_got_constant (this_frame, regnum, i7 ^ wcookie);
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}
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}
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@ -993,53 +975,35 @@ sparc32_frame_prev_register (struct frame_info *next_frame, void **this_cache,
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if (!cache->frameless_p
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&& regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM)
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{
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*optimizedp = 0;
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*lvalp = lval_memory;
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*addrp = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
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*realnump = -1;
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if (valuep)
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{
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struct gdbarch *gdbarch = get_frame_arch (next_frame);
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CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
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/* Read the value in from memory. */
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read_memory (*addrp, valuep, register_size (gdbarch, regnum));
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}
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return;
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return frame_unwind_got_memory (this_frame, regnum, addr);
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}
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/* The previous frame's `out' registers are accessable as the
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/* The previous frame's `out' registers are accessible as the
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current frame's `in' registers. */
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if (!cache->frameless_p
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&& regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
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regnum += (SPARC_I0_REGNUM - SPARC_O0_REGNUM);
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*optimizedp = 0;
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*lvalp = lval_register;
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*addrp = 0;
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*realnump = regnum;
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if (valuep)
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frame_unwind_register (next_frame, (*realnump), valuep);
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return frame_unwind_got_register (this_frame, regnum, regnum);
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}
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static const struct frame_unwind sparc32_frame_unwind =
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{
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NORMAL_FRAME,
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sparc32_frame_this_id,
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sparc32_frame_prev_register
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sparc32_frame_prev_register,
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NULL,
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default_frame_sniffer
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};
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static const struct frame_unwind *
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sparc32_frame_sniffer (struct frame_info *next_frame)
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{
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return &sparc32_frame_unwind;
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}
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static CORE_ADDR
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sparc32_frame_base_address (struct frame_info *next_frame, void **this_cache)
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sparc32_frame_base_address (struct frame_info *this_frame, void **this_cache)
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{
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struct sparc_frame_cache *cache =
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sparc32_frame_cache (next_frame, this_cache);
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sparc32_frame_cache (this_frame, this_cache);
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return cache->base;
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}
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@ -1053,14 +1017,14 @@ static const struct frame_base sparc32_frame_base =
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};
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static struct frame_id
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sparc_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
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sparc_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
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{
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CORE_ADDR sp;
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sp = frame_unwind_register_unsigned (next_frame, SPARC_SP_REGNUM);
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sp = get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
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if (sp & 1)
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sp += BIAS;
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return frame_id_build (sp, frame_pc_unwind (next_frame));
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return frame_id_build (sp, get_frame_pc (this_frame));
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}
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@ -1193,7 +1157,7 @@ sparc32_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type)
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static int
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sparc32_dwarf2_struct_return_p (struct frame_info *this_frame)
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{
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CORE_ADDR pc = get_frame_address_in_block (this_frame, NORMAL_FRAME);
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CORE_ADDR pc = get_frame_address_in_block (this_frame);
|
||||
struct symbol *sym = find_pc_function (pc);
|
||||
|
||||
if (sym)
|
||||
|
@ -1438,7 +1402,7 @@ sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
|||
set_gdbarch_software_single_step (gdbarch, sparc_software_single_step);
|
||||
set_gdbarch_write_pc (gdbarch, sparc_write_pc);
|
||||
|
||||
set_gdbarch_unwind_dummy_id (gdbarch, sparc_unwind_dummy_id);
|
||||
set_gdbarch_dummy_id (gdbarch, sparc_dummy_id);
|
||||
|
||||
set_gdbarch_unwind_pc (gdbarch, sparc_unwind_pc);
|
||||
|
||||
|
@ -1452,7 +1416,7 @@ sparc32_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, sparc32_frame_sniffer);
|
||||
frame_unwind_append_unwinder (gdbarch, &sparc32_frame_unwind);
|
||||
|
||||
/* If we have register sets, enable the generic core file support. */
|
||||
if (tdep->gregset)
|
||||
|
|
|
@ -156,10 +156,10 @@ extern CORE_ADDR sparc_analyze_prologue (struct gdbarch *gdbarch,
|
|||
struct sparc_frame_cache *cache);
|
||||
|
||||
extern struct sparc_frame_cache *
|
||||
sparc_frame_cache (struct frame_info *next_frame, void **this_cache);
|
||||
sparc_frame_cache (struct frame_info *this_frame, void **this_cache);
|
||||
|
||||
extern struct sparc_frame_cache *
|
||||
sparc32_frame_cache (struct frame_info *next_frame, void **this_cache);
|
||||
sparc32_frame_cache (struct frame_info *this_frame, void **this_cache);
|
||||
|
||||
|
||||
|
||||
|
|
|
@ -48,7 +48,7 @@ const struct sparc_gregset sparc64_sol2_gregset =
|
|||
|
||||
|
||||
static struct sparc_frame_cache *
|
||||
sparc64_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
|
||||
sparc64_sol2_sigtramp_frame_cache (struct frame_info *this_frame,
|
||||
void **this_cache)
|
||||
{
|
||||
struct sparc_frame_cache *cache;
|
||||
|
@ -58,16 +58,16 @@ sparc64_sol2_sigtramp_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);
|
||||
|
||||
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
|
||||
cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
|
||||
|
||||
/* The third argument is a pointer to an instance of `ucontext_t',
|
||||
which has a member `uc_mcontext' that contains the saved
|
||||
registers. */
|
||||
regnum = (cache->frameless_p ? SPARC_O2_REGNUM : SPARC_I2_REGNUM);
|
||||
mcontext_addr = frame_unwind_register_unsigned (next_frame, regnum) + 64;
|
||||
mcontext_addr = get_frame_register_unsigned (this_frame, regnum) + 64;
|
||||
|
||||
cache->saved_regs[SPARC64_CCR_REGNUM].addr = mcontext_addr + 0 * 8;
|
||||
cache->saved_regs[SPARC64_PC_REGNUM].addr = mcontext_addr + 1 * 8;
|
||||
|
@ -81,7 +81,7 @@ sparc64_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
|
|||
regnum <= SPARC_O7_REGNUM; regnum++, addr += 8)
|
||||
cache->saved_regs[regnum].addr = addr;
|
||||
|
||||
if (get_frame_memory_unsigned (next_frame, mcontext_addr + 21 * 8, 8))
|
||||
if (get_frame_memory_unsigned (this_frame, mcontext_addr + 21 * 8, 8))
|
||||
{
|
||||
/* The register windows haven't been flushed. */
|
||||
for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
|
||||
|
@ -92,7 +92,7 @@ sparc64_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
|
|||
CORE_ADDR sp;
|
||||
|
||||
addr = cache->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)
|
||||
cache->saved_regs[regnum].addr = addr;
|
||||
|
@ -102,50 +102,50 @@ sparc64_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
|
|||
}
|
||||
|
||||
static void
|
||||
sparc64_sol2_sigtramp_frame_this_id (struct frame_info *next_frame,
|
||||
sparc64_sol2_sigtramp_frame_this_id (struct frame_info *this_frame,
|
||||
void **this_cache,
|
||||
struct frame_id *this_id)
|
||||
{
|
||||
struct sparc_frame_cache *cache =
|
||||
sparc64_sol2_sigtramp_frame_cache (next_frame, this_cache);
|
||||
sparc64_sol2_sigtramp_frame_cache (this_frame, this_cache);
|
||||
|
||||
(*this_id) = frame_id_build (cache->base, cache->pc);
|
||||
}
|
||||
|
||||
static void
|
||||
sparc64_sol2_sigtramp_frame_prev_register (struct frame_info *next_frame,
|
||||
static struct value *
|
||||
sparc64_sol2_sigtramp_frame_prev_register (struct frame_info *this_frame,
|
||||
void **this_cache,
|
||||
int regnum, int *optimizedp,
|
||||
enum lval_type *lvalp,
|
||||
CORE_ADDR *addrp,
|
||||
int *realnump, gdb_byte *valuep)
|
||||
int regnum)
|
||||
{
|
||||
struct sparc_frame_cache *cache =
|
||||
sparc64_sol2_sigtramp_frame_cache (next_frame, this_cache);
|
||||
sparc64_sol2_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 sparc64_sol2_sigtramp_frame_unwind =
|
||||
static int
|
||||
sparc64_sol2_sigtramp_frame_sniffer (const struct frame_unwind *self,
|
||||
struct frame_info *this_frame,
|
||||
void **this_cache)
|
||||
{
|
||||
SIGTRAMP_FRAME,
|
||||
sparc64_sol2_sigtramp_frame_this_id,
|
||||
sparc64_sol2_sigtramp_frame_prev_register
|
||||
};
|
||||
|
||||
static const struct frame_unwind *
|
||||
sparc64_sol2_sigtramp_frame_sniffer (struct frame_info *next_frame)
|
||||
{
|
||||
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 (sparc_sol2_pc_in_sigtramp (pc, name))
|
||||
return &sparc64_sol2_sigtramp_frame_unwind;
|
||||
return 1;
|
||||
|
||||
return NULL;
|
||||
return 0;
|
||||
}
|
||||
static const struct frame_unwind sparc64_sol2_sigtramp_frame_unwind =
|
||||
{
|
||||
SIGTRAMP_FRAME,
|
||||
sparc64_sol2_sigtramp_frame_this_id,
|
||||
sparc64_sol2_sigtramp_frame_prev_register,
|
||||
NULL,
|
||||
sparc64_sol2_sigtramp_frame_sniffer
|
||||
};
|
||||
|
||||
|
||||
|
||||
void
|
||||
|
@ -153,7 +153,7 @@ sparc64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
|||
{
|
||||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||||
|
||||
frame_unwind_append_sniffer (gdbarch, sparc64_sol2_sigtramp_frame_sniffer);
|
||||
frame_unwind_append_unwinder (gdbarch, &sparc64_sol2_sigtramp_frame_unwind);
|
||||
|
||||
sparc64_init_abi (info, gdbarch);
|
||||
|
||||
|
|
|
@ -435,17 +435,17 @@ sparc64_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
|
|||
/* Normal frames. */
|
||||
|
||||
static struct sparc_frame_cache *
|
||||
sparc64_frame_cache (struct frame_info *next_frame, void **this_cache)
|
||||
sparc64_frame_cache (struct frame_info *this_frame, void **this_cache)
|
||||
{
|
||||
return sparc_frame_cache (next_frame, this_cache);
|
||||
return sparc_frame_cache (this_frame, this_cache);
|
||||
}
|
||||
|
||||
static void
|
||||
sparc64_frame_this_id (struct frame_info *next_frame, void **this_cache,
|
||||
sparc64_frame_this_id (struct frame_info *this_frame, void **this_cache,
|
||||
struct frame_id *this_id)
|
||||
{
|
||||
struct sparc_frame_cache *cache =
|
||||
sparc64_frame_cache (next_frame, this_cache);
|
||||
sparc64_frame_cache (this_frame, this_cache);
|
||||
|
||||
/* This marks the outermost frame. */
|
||||
if (cache->base == 0)
|
||||
|
@ -454,30 +454,20 @@ sparc64_frame_this_id (struct frame_info *next_frame, void **this_cache,
|
|||
(*this_id) = frame_id_build (cache->base, cache->pc);
|
||||
}
|
||||
|
||||
static void
|
||||
sparc64_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 *
|
||||
sparc64_frame_prev_register (struct frame_info *this_frame, void **this_cache,
|
||||
int regnum)
|
||||
{
|
||||
struct sparc_frame_cache *cache =
|
||||
sparc64_frame_cache (next_frame, this_cache);
|
||||
sparc64_frame_cache (this_frame, this_cache);
|
||||
|
||||
if (regnum == SPARC64_PC_REGNUM || regnum == SPARC64_NPC_REGNUM)
|
||||
{
|
||||
*optimizedp = 0;
|
||||
*lvalp = not_lval;
|
||||
*addrp = 0;
|
||||
*realnump = -1;
|
||||
if (valuep)
|
||||
{
|
||||
CORE_ADDR pc = (regnum == SPARC64_NPC_REGNUM) ? 4 : 0;
|
||||
CORE_ADDR pc = (regnum == SPARC64_NPC_REGNUM) ? 4 : 0;
|
||||
|
||||
regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
|
||||
pc += frame_unwind_register_unsigned (next_frame, regnum) + 8;
|
||||
store_unsigned_integer (valuep, 8, pc);
|
||||
}
|
||||
return;
|
||||
regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
|
||||
pc += get_frame_register_unsigned (this_frame, regnum) + 8;
|
||||
return frame_unwind_got_constant (this_frame, regnum, pc);
|
||||
}
|
||||
|
||||
/* Handle StackGhost. */
|
||||
|
@ -486,20 +476,12 @@ sparc64_frame_prev_register (struct frame_info *next_frame, void **this_cache,
|
|||
|
||||
if (wcookie != 0 && !cache->frameless_p && regnum == SPARC_I7_REGNUM)
|
||||
{
|
||||
*optimizedp = 0;
|
||||
*lvalp = not_lval;
|
||||
*addrp = 0;
|
||||
*realnump = -1;
|
||||
if (valuep)
|
||||
{
|
||||
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
|
||||
ULONGEST i7;
|
||||
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
|
||||
ULONGEST i7;
|
||||
|
||||
/* Read the value in from memory. */
|
||||
i7 = get_frame_memory_unsigned (next_frame, addr, 8);
|
||||
store_unsigned_integer (valuep, 8, i7 ^ wcookie);
|
||||
}
|
||||
return;
|
||||
/* Read the value in from memory. */
|
||||
i7 = get_frame_memory_unsigned (this_frame, addr, 8);
|
||||
return frame_unwind_got_constant (this_frame, regnum, i7 ^ wcookie);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -508,18 +490,9 @@ sparc64_frame_prev_register (struct frame_info *next_frame, void **this_cache,
|
|||
if (!cache->frameless_p
|
||||
&& regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM)
|
||||
{
|
||||
*optimizedp = 0;
|
||||
*lvalp = lval_memory;
|
||||
*addrp = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
|
||||
*realnump = -1;
|
||||
if (valuep)
|
||||
{
|
||||
struct gdbarch *gdbarch = get_frame_arch (next_frame);
|
||||
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
|
||||
|
||||
/* Read the value in from memory. */
|
||||
read_memory (*addrp, valuep, register_size (gdbarch, regnum));
|
||||
}
|
||||
return;
|
||||
return frame_unwind_got_memory (this_frame, regnum, addr);
|
||||
}
|
||||
|
||||
/* The previous frame's `out' registers are accessable as the
|
||||
|
@ -528,33 +501,24 @@ sparc64_frame_prev_register (struct frame_info *next_frame, void **this_cache,
|
|||
&& regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
|
||||
regnum += (SPARC_I0_REGNUM - SPARC_O0_REGNUM);
|
||||
|
||||
*optimizedp = 0;
|
||||
*lvalp = lval_register;
|
||||
*addrp = 0;
|
||||
*realnump = regnum;
|
||||
if (valuep)
|
||||
frame_unwind_register (next_frame, regnum, valuep);
|
||||
return frame_unwind_got_register (this_frame, regnum, regnum);
|
||||
}
|
||||
|
||||
static const struct frame_unwind sparc64_frame_unwind =
|
||||
{
|
||||
NORMAL_FRAME,
|
||||
sparc64_frame_this_id,
|
||||
sparc64_frame_prev_register
|
||||
sparc64_frame_prev_register,
|
||||
NULL,
|
||||
default_frame_sniffer
|
||||
};
|
||||
|
||||
static const struct frame_unwind *
|
||||
sparc64_frame_sniffer (struct frame_info *next_frame)
|
||||
{
|
||||
return &sparc64_frame_unwind;
|
||||
}
|
||||
|
||||
|
||||
static CORE_ADDR
|
||||
sparc64_frame_base_address (struct frame_info *next_frame, void **this_cache)
|
||||
sparc64_frame_base_address (struct frame_info *this_frame, void **this_cache)
|
||||
{
|
||||
struct sparc_frame_cache *cache =
|
||||
sparc64_frame_cache (next_frame, this_cache);
|
||||
sparc64_frame_cache (this_frame, this_cache);
|
||||
|
||||
return cache->base;
|
||||
}
|
||||
|
@ -1149,7 +1113,7 @@ sparc64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
|||
/* FIXME: kettenis/20050423: Don't enable the unwinder until the
|
||||
StackGhost issues have been resolved. */
|
||||
|
||||
frame_unwind_append_sniffer (gdbarch, sparc64_frame_sniffer);
|
||||
frame_unwind_append_unwinder (gdbarch, &sparc64_frame_unwind);
|
||||
frame_base_set_default (gdbarch, &sparc64_frame_base);
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue