diff options
| -rw-r--r-- | gdb/ChangeLog | 17 | ||||
| -rw-r--r-- | gdb/blockframe.c | 45 |
2 files changed, 43 insertions, 19 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 1d10bf7..4084a83 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,22 @@ 2002-06-28 Andrew Cagney <ac131313@redhat.com> + * blockframe.c (generic_find_dummy_frame): Change return type to + ``struct regcache''. + (struct dummy_frame): Replace field ``registers'' with regcache, a + struct regcache object. + (generic_find_dummy_frame): Update. + (generic_push_dummy_frame): Update. Use regcache_xfree, + regcache_xmalloc and regcache_cpy. + (generic_pop_dummy_frame): Update. Use regcache_cpy and + regcache_xfree. + (deprecated_generic_find_dummy_frame): Update. + (generic_read_register_dummy): Update. Use + regcache_read_as_address. + (generic_call_dummy_register_unwind): Update. Use regcache_read. + (generic_get_saved_register): Update. Use regcache_read. + +2002-06-28 Andrew Cagney <ac131313@redhat.com> + * Makefile.in (objfiles_h): Add $(bcache_h). * objfiles.h: Include "bcache.h". diff --git a/gdb/blockframe.c b/gdb/blockframe.c index d2143a4..9971e5d 100644 --- a/gdb/blockframe.c +++ b/gdb/blockframe.c @@ -1127,7 +1127,7 @@ struct dummy_frame CORE_ADDR fp; CORE_ADDR sp; CORE_ADDR top; - char *registers; + struct regcache *regcache; /* Address range of the call dummy code. Look for PC in the range [LO..HI) (after allowing for DECR_PC_AFTER_BREAK). */ @@ -1144,7 +1144,7 @@ static struct dummy_frame *dummy_frame_stack = NULL; adjust for DECR_PC_AFTER_BREAK. This is because it is only legal to call this function after the PC has been adjusted. */ -static char * +static struct regcache * generic_find_dummy_frame (CORE_ADDR pc, CORE_ADDR fp) { struct dummy_frame *dummyframe; @@ -1156,7 +1156,7 @@ generic_find_dummy_frame (CORE_ADDR pc, CORE_ADDR fp) || fp == dummyframe->sp || fp == dummyframe->top)) /* The frame in question lies between the saved fp and sp, inclusive */ - return dummyframe->registers; + return dummyframe->regcache; return 0; } @@ -1164,7 +1164,10 @@ generic_find_dummy_frame (CORE_ADDR pc, CORE_ADDR fp) char * deprecated_generic_find_dummy_frame (CORE_ADDR pc, CORE_ADDR fp) { - return generic_find_dummy_frame (pc, fp); + struct regcache *regcache = generic_find_dummy_frame (pc, fp); + if (regcache == NULL) + return NULL; + return deprecated_grub_regcache_for_registers (regcache); } /* Function: pc_in_call_dummy (pc, sp, fp) @@ -1195,11 +1198,10 @@ generic_pc_in_call_dummy (CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR fp) CORE_ADDR generic_read_register_dummy (CORE_ADDR pc, CORE_ADDR fp, int regno) { - char *dummy_regs = generic_find_dummy_frame (pc, fp); + struct regcache *dummy_regs = generic_find_dummy_frame (pc, fp); if (dummy_regs) - return extract_address (&dummy_regs[REGISTER_BYTE (regno)], - REGISTER_RAW_SIZE (regno)); + return regcache_read_as_address (dummy_regs, regno); else return 0; } @@ -1226,7 +1228,7 @@ generic_push_dummy_frame (void) if (INNER_THAN (dummy_frame->fp, fp)) /* stale -- destroy! */ { dummy_frame_stack = dummy_frame->next; - xfree (dummy_frame->registers); + regcache_xfree (dummy_frame->regcache); xfree (dummy_frame); dummy_frame = dummy_frame_stack; } @@ -1234,13 +1236,13 @@ generic_push_dummy_frame (void) dummy_frame = dummy_frame->next; dummy_frame = xmalloc (sizeof (struct dummy_frame)); - dummy_frame->registers = xmalloc (REGISTER_BYTES); + dummy_frame->regcache = regcache_xmalloc (current_gdbarch); dummy_frame->pc = read_pc (); dummy_frame->sp = read_sp (); dummy_frame->top = dummy_frame->sp; dummy_frame->fp = fp; - read_register_bytes (0, dummy_frame->registers, REGISTER_BYTES); + regcache_cpy (dummy_frame->regcache, current_regcache); dummy_frame->next = dummy_frame_stack; dummy_frame_stack = dummy_frame; } @@ -1288,10 +1290,10 @@ generic_pop_dummy_frame (void) if (!dummy_frame) error ("Can't pop dummy frame!"); dummy_frame_stack = dummy_frame->next; - write_register_bytes (0, dummy_frame->registers, REGISTER_BYTES); + regcache_cpy (current_regcache, dummy_frame->regcache); flush_cached_frames (); - xfree (dummy_frame->registers); + regcache_xfree (dummy_frame->regcache); xfree (dummy_frame); } @@ -1356,7 +1358,7 @@ generic_call_dummy_register_unwind (struct frame_info *frame, void **cache, /* If needed, find and return the value of the register. */ if (bufferp != NULL) { - char *registers; + struct regcache *registers; #if 1 /* Get the address of the register buffer that contains all the saved registers for this dummy frame. Cache that address. */ @@ -1373,8 +1375,11 @@ generic_call_dummy_register_unwind (struct frame_info *frame, void **cache, #endif gdb_assert (registers != NULL); /* Return the actual value. */ - memcpy (bufferp, registers + REGISTER_BYTE (regnum), - REGISTER_RAW_SIZE (regnum)); + /* FIXME: cagney/2002-06-26: This should be via the + gdbarch_register_read() method so that it, on the fly, + constructs either a raw or pseudo register from the raw + register cache. */ + regcache_read (registers, regnum, bufferp); } } @@ -1520,10 +1525,12 @@ generic_get_saved_register (char *raw_buffer, int *optimized, CORE_ADDR *addrp, if (lval) /* found it in a CALL_DUMMY frame */ *lval = not_lval; if (raw_buffer) - memcpy (raw_buffer, - generic_find_dummy_frame (frame->pc, frame->frame) + - REGISTER_BYTE (regnum), - REGISTER_RAW_SIZE (regnum)); + /* FIXME: cagney/2002-06-26: This should be via the + gdbarch_register_read() method so that it, on the fly, + constructs either a raw or pseudo register from the raw + register cache. */ + regcache_read (generic_find_dummy_frame (frame->pc, frame->frame), + regnum, raw_buffer); return; } |