#include "symfile.h"
#include "objfiles.h"
+static int extract_5_load PARAMS ((unsigned int));
+
+static unsigned extract_5R_store PARAMS ((unsigned int));
+
+static unsigned extract_5r_store PARAMS ((unsigned int));
+
+static void find_dummy_frame_regs PARAMS ((struct frame_info *,
+ struct frame_saved_regs *));
+
+static int find_proc_framesize PARAMS ((CORE_ADDR));
+
+static int find_return_regnum PARAMS ((CORE_ADDR));
+
+struct unwind_table_entry *find_unwind_entry PARAMS ((CORE_ADDR));
+
+static int extract_17 PARAMS ((unsigned int));
+
+static unsigned deposit_21 PARAMS ((unsigned int, unsigned int));
+
+static int extract_21 PARAMS ((unsigned));
+
+static unsigned deposit_14 PARAMS ((int, unsigned int));
+
+static int extract_14 PARAMS ((unsigned));
+
+static void unwind_command PARAMS ((char *, int));
+
+static int low_sign_extend PARAMS ((unsigned int, unsigned int));
+
+static int sign_extend PARAMS ((unsigned int, unsigned int));
+
static int restore_pc_queue PARAMS ((struct frame_saved_regs *));
static int hppa_alignof PARAMS ((struct type *));
/* This assumes that no garbage lies outside of the lower bits of
value. */
-int
+static int
sign_extend (val, bits)
unsigned val, bits;
{
- return (int)(val >> bits - 1 ? (-1 << bits) | val : val);
+ return (int)(val >> (bits - 1) ? (-1 << bits) | val : val);
}
/* For many immediate values the sign bit is the low bit! */
-int
+static int
low_sign_extend (val, bits)
unsigned val, bits;
{
return (int)((val & 0x1 ? (-1 << (bits - 1)) : 0) | val >> 1);
}
+
/* extract the immediate field from a ld{bhw}s instruction */
+#if 0
+
unsigned
get_field (val, from, to)
unsigned val, from, to;
/* extract a 3-bit space register number from a be, ble, mtsp or mfsp */
+int
extract_3 (word)
unsigned word;
{
return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
}
-
+
+#endif
+
+static int
extract_5_load (word)
unsigned word;
{
return low_sign_extend (word >> 16 & MASK_5, 5);
}
+#if 0
+
/* extract the immediate field from a st{bhw}s instruction */
int
return low_sign_extend (word & MASK_5, 5);
}
+#endif /* 0 */
+
/* extract the immediate field from a break instruction */
-unsigned
+static unsigned
extract_5r_store (word)
unsigned word;
{
/* extract the immediate field from a {sr}sm instruction */
-unsigned
+static unsigned
extract_5R_store (word)
unsigned word;
{
/* extract an 11 bit immediate field */
+#if 0
+
int
extract_11 (word)
unsigned word;
return low_sign_extend (word & MASK_11, 11);
}
+#endif
+
/* extract a 14 bit immediate field */
-int
+static int
extract_14 (word)
unsigned word;
{
/* deposit a 14 bit constant in a word */
-unsigned
+static unsigned
deposit_14 (opnd, word)
int opnd;
unsigned word;
/* extract a 21 bit constant */
-int
+static int
extract_21 (word)
unsigned word;
{
usually the top 21 bits of a 32 bit constant, we assume that only
the low 21 bits of opnd are relevant */
-unsigned
+static unsigned
deposit_21 (opnd, word)
unsigned opnd, word;
{
/* extract a 12 bit constant from branch instructions */
+#if 0
+
int
extract_12 (word)
unsigned word;
return word;
}
+#endif
+
/* extract a 17 bit constant from branch instructions, returning the
19 bit signed value. */
-int
+static int
extract_17 (word)
unsigned word;
{
}
/* Return size of frame, or -1 if we should use a frame pointer. */
-int
+static int
find_proc_framesize (pc)
CORE_ADDR pc;
{
write_register (SP_REGNUM, sp);
}
-void
+static void
find_dummy_frame_regs (frame, frame_saved_regs)
struct frame_info *frame;
struct frame_saved_regs *frame_saved_regs;
CORE_ADDR fp = frame->frame;
int i;
- frame_saved_regs->regs[RP_REGNUM] = fp - 20 & ~0x3;
+ frame_saved_regs->regs[RP_REGNUM] = (fp - 20) & ~0x3;
frame_saved_regs->regs[FP_REGNUM] = fp;
frame_saved_regs->regs[1] = fp + 8;
but never were, mask them out and restart.
This should only happen in optimized code, and should be very rare. */
- if (save_gr || save_fr
- && ! (restart_fr || restart_gr))
+ if (save_gr || (save_fr && ! (restart_fr || restart_gr)))
{
pc = orig_pc;
restart_gr = save_gr;