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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/m32c-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/m32c-tdep.c')
-rw-r--r-- | gdb/m32c-tdep.c | 97 |
1 files changed, 34 insertions, 63 deletions
diff --git a/gdb/m32c-tdep.c b/gdb/m32c-tdep.c index 513da03..b8cd167 100644 --- a/gdb/m32c-tdep.c +++ b/gdb/m32c-tdep.c @@ -1828,13 +1828,13 @@ m32c_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip) /* Stack unwinding. */ static struct m32c_prologue * -m32c_analyze_frame_prologue (struct frame_info *next_frame, +m32c_analyze_frame_prologue (struct frame_info *this_frame, void **this_prologue_cache) { if (! *this_prologue_cache) { - CORE_ADDR func_start = frame_func_unwind (next_frame, NORMAL_FRAME); - CORE_ADDR stop_addr = frame_pc_unwind (next_frame); + CORE_ADDR func_start = get_frame_func (this_frame); + CORE_ADDR stop_addr = get_frame_pc (this_frame); /* If we couldn't find any function containing the PC, then just initialize the prologue cache, but don't do anything. */ @@ -1842,7 +1842,7 @@ m32c_analyze_frame_prologue (struct frame_info *next_frame, stop_addr = func_start; *this_prologue_cache = FRAME_OBSTACK_ZALLOC (struct m32c_prologue); - m32c_analyze_prologue (get_frame_arch (next_frame), + m32c_analyze_prologue (get_frame_arch (this_frame), func_start, stop_addr, *this_prologue_cache); } @@ -1851,12 +1851,12 @@ m32c_analyze_frame_prologue (struct frame_info *next_frame, static CORE_ADDR -m32c_frame_base (struct frame_info *next_frame, +m32c_frame_base (struct frame_info *this_frame, void **this_prologue_cache) { struct m32c_prologue *p - = m32c_analyze_frame_prologue (next_frame, this_prologue_cache); - struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (next_frame)); + = m32c_analyze_frame_prologue (this_frame, this_prologue_cache); + struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame)); /* In functions that use alloca, the distance between the stack pointer and the frame base varies dynamically, so we can't use @@ -1869,14 +1869,14 @@ m32c_frame_base (struct frame_info *next_frame, case prologue_with_frame_ptr: { CORE_ADDR fb - = frame_unwind_register_unsigned (next_frame, tdep->fb->num); + = get_frame_register_unsigned (this_frame, tdep->fb->num); return fb - p->frame_ptr_offset; } case prologue_sans_frame_ptr: { CORE_ADDR sp - = frame_unwind_register_unsigned (next_frame, tdep->sp->num); + = get_frame_register_unsigned (this_frame, tdep->sp->num); return sp - p->frame_size; } @@ -1890,82 +1890,52 @@ m32c_frame_base (struct frame_info *next_frame, static void -m32c_this_id (struct frame_info *next_frame, +m32c_this_id (struct frame_info *this_frame, void **this_prologue_cache, struct frame_id *this_id) { - CORE_ADDR base = m32c_frame_base (next_frame, this_prologue_cache); + CORE_ADDR base = m32c_frame_base (this_frame, this_prologue_cache); if (base) - *this_id = frame_id_build (base, - frame_func_unwind (next_frame, NORMAL_FRAME)); + *this_id = frame_id_build (base, get_frame_func (this_frame)); /* Otherwise, leave it unset, and that will terminate the backtrace. */ } -static void -m32c_prev_register (struct frame_info *next_frame, - void **this_prologue_cache, - int regnum, int *optimizedp, - enum lval_type *lvalp, CORE_ADDR *addrp, - int *realnump, gdb_byte *bufferp) +static struct value * +m32c_prev_register (struct frame_info *this_frame, + void **this_prologue_cache, int regnum) { - struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (next_frame)); + struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame)); struct m32c_prologue *p - = m32c_analyze_frame_prologue (next_frame, this_prologue_cache); - CORE_ADDR frame_base = m32c_frame_base (next_frame, this_prologue_cache); - int reg_size = register_size (get_frame_arch (next_frame), regnum); + = m32c_analyze_frame_prologue (this_frame, this_prologue_cache); + CORE_ADDR frame_base = m32c_frame_base (this_frame, this_prologue_cache); + int reg_size = register_size (get_frame_arch (this_frame), regnum); if (regnum == tdep->sp->num) - { - *optimizedp = 0; - *lvalp = not_lval; - *addrp = 0; - *realnump = -1; - if (bufferp) - store_unsigned_integer (bufferp, reg_size, frame_base); - } + return frame_unwind_got_constant (this_frame, regnum, frame_base); /* If prologue analysis says we saved this register somewhere, return a description of the stack slot holding it. */ - else if (p->reg_offset[regnum] != 1) - { - *optimizedp = 0; - *lvalp = lval_memory; - *addrp = frame_base + p->reg_offset[regnum]; - *realnump = -1; - if (bufferp) - get_frame_memory (next_frame, *addrp, bufferp, reg_size); - } + if (p->reg_offset[regnum] != 1) + return frame_unwind_got_memory (this_frame, regnum, + frame_base + p->reg_offset[regnum]); /* Otherwise, presume we haven't changed the value of this register, and get it from the next frame. */ - else - { - *optimizedp = 0; - *lvalp = lval_register; - *addrp = 0; - *realnump = regnum; - if (bufferp) - frame_unwind_register (next_frame, *realnump, bufferp); - } + return frame_unwind_got_register (this_frame, regnum, regnum); } static const struct frame_unwind m32c_unwind = { NORMAL_FRAME, m32c_this_id, - m32c_prev_register + m32c_prev_register, + NULL, + default_frame_sniffer }; -static const struct frame_unwind * -m32c_frame_sniffer (struct frame_info *next_frame) -{ - return &m32c_unwind; -} - - static CORE_ADDR m32c_unwind_pc (struct gdbarch *arch, struct frame_info *next_frame) { @@ -2146,7 +2116,7 @@ m32c_push_dummy_call (struct gdbarch *gdbarch, struct value *function, static struct frame_id -m32c_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame) +m32c_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame) { /* This needs to return a frame ID whose PC is the return address passed to m32c_push_dummy_call, and whose stack_addr is the SP @@ -2154,8 +2124,9 @@ m32c_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame) m32c_unwind_sp gives us the CFA, which is the value the SP had before the return address was pushed. */ - return frame_id_build (m32c_unwind_sp (gdbarch, next_frame), - frame_pc_unwind (next_frame)); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + CORE_ADDR sp = get_frame_register_unsigned (this_frame, tdep->sp->num); + return frame_id_build (sp, get_frame_pc (this_frame)); } @@ -2611,14 +2582,14 @@ m32c_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) know which, but I do know that the prologue analyzer works better. MVS 04/13/06 */ - frame_unwind_append_sniffer (arch, dwarf2_frame_sniffer); + dwarf2_append_sniffers (arch); #endif - frame_unwind_append_sniffer (arch, m32c_frame_sniffer); + frame_unwind_append_unwinder (arch, &m32c_unwind); /* Inferior calls. */ set_gdbarch_push_dummy_call (arch, m32c_push_dummy_call); set_gdbarch_return_value (arch, m32c_return_value); - set_gdbarch_unwind_dummy_id (arch, m32c_unwind_dummy_id); + set_gdbarch_dummy_id (arch, m32c_dummy_id); /* Trampolines. */ set_gdbarch_skip_trampoline_code (arch, m32c_skip_trampoline_code); |