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[commit/mips] makes [mips_]pc_is_mips16 public
- From: Andrew Cagney <cagney at gnu dot org>
- To: gdb-patches at sources dot redhat dot com
- Date: Sat, 30 Oct 2004 12:54:52 -0400
- Subject: [commit/mips] makes [mips_]pc_is_mips16 public
FYI,
A follow-on change needs this.
Committed,
Andrew
2004-10-30 Andrew Cagney <cagney@gnu.org>
* mips-tdep.h (mips_pc_is_mips16): Declare.
* mips-tdep.c (mips_pc_is_mips16): Rename pc_is_mips16, make
non-static. Update calls.
Index: mips-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/mips-tdep.c,v
retrieving revision 1.343
diff -p -u -r1.343 mips-tdep.c
--- mips-tdep.c 30 Oct 2004 17:10:14 -0000 1.343
+++ mips-tdep.c 30 Oct 2004 17:52:54 -0000
@@ -821,8 +821,8 @@ show_mask_address (char *cmd, int from_t
/* Tell if the program counter value in MEMADDR is in a MIPS16 function. */
-static int
-pc_is_mips16 (bfd_vma memaddr)
+int
+mips_pc_is_mips16 (CORE_ADDR memaddr)
{
struct minimal_symbol *sym;
@@ -954,7 +954,7 @@ mips_fetch_instruction (CORE_ADDR addr)
int instlen;
int status;
- if (pc_is_mips16 (addr))
+ if (mips_pc_is_mips16 (addr))
{
instlen = MIPS16_INSN_SIZE;
addr = unmake_mips16_addr (addr);
@@ -1533,7 +1533,7 @@ mips_mdebug_frame_cache (struct frame_in
order of that normally used by gcc. Therefore, we have to fetch
the first instruction of the function, and if it's an entry
instruction that saves $s0 or $s1, correct their saved addresses. */
- if (pc_is_mips16 (PROC_LOW_ADDR (proc_desc)))
+ if (mips_pc_is_mips16 (PROC_LOW_ADDR (proc_desc)))
{
ULONGEST inst = mips16_fetch_instruction (PROC_LOW_ADDR (proc_desc));
if ((inst & 0xf81f) == 0xe809 && (inst & 0x700) != 0x700)
@@ -2033,7 +2033,7 @@ static const struct frame_unwind *
mips_insn16_frame_sniffer (struct frame_info *next_frame)
{
CORE_ADDR pc = frame_pc_unwind (next_frame);
- if (pc_is_mips16 (pc))
+ if (mips_pc_is_mips16 (pc))
return &mips_insn16_frame_unwind;
return NULL;
}
@@ -2353,7 +2353,7 @@ static const struct frame_unwind *
mips_insn32_frame_sniffer (struct frame_info *next_frame)
{
CORE_ADDR pc = frame_pc_unwind (next_frame);
- if (! pc_is_mips16 (pc))
+ if (! mips_pc_is_mips16 (pc))
return &mips_insn32_frame_unwind;
return NULL;
}
@@ -2557,7 +2557,7 @@ static struct mips_extra_func_info temp_
static int
mips_about_to_return (CORE_ADDR pc)
{
- if (pc_is_mips16 (pc))
+ if (mips_pc_is_mips16 (pc))
/* This mips16 case isn't necessarily reliable. Sometimes the compiler
generates a "jr $ra"; other times it generates code to load
the return address from the stack to an accessible register (such
@@ -2591,7 +2591,7 @@ heuristic_proc_start (CORE_ADDR pc)
if (heuristic_fence_post == UINT_MAX || fence < VM_MIN_ADDRESS)
fence = VM_MIN_ADDRESS;
- instlen = pc_is_mips16 (pc) ? MIPS16_INSN_SIZE : MIPS32_INSN_SIZE;
+ instlen = mips_pc_is_mips16 (pc) ? MIPS16_INSN_SIZE : MIPS32_INSN_SIZE;
/* search back for previous return */
for (start_pc -= instlen;; start_pc -= instlen)
@@ -2633,7 +2633,7 @@ heuristic-fence-post' command.\n", paddr
return 0;
}
- else if (pc_is_mips16 (start_pc))
+ else if (mips_pc_is_mips16 (start_pc))
{
unsigned short inst;
@@ -2678,7 +2678,7 @@ heuristic_proc_desc (CORE_ADDR start_pc,
PROC_FRAME_REG (&temp_proc_desc) = MIPS_SP_REGNUM;
PROC_PC_REG (&temp_proc_desc) = MIPS_RA_REGNUM;
- if (pc_is_mips16 (start_pc))
+ if (mips_pc_is_mips16 (start_pc))
mips16_scan_prologue (start_pc, limit_pc, next_frame, this_cache);
else
mips32_scan_prologue (start_pc, limit_pc, next_frame, this_cache);
@@ -4753,7 +4753,7 @@ mips_step_skips_delay (CORE_ADDR pc)
char buf[MIPS32_INSN_SIZE];
/* There is no branch delay slot on MIPS16. */
- if (pc_is_mips16 (pc))
+ if (mips_pc_is_mips16 (pc))
return 0;
if (target_read_memory (pc, buf, sizeof buf) != 0)
@@ -4794,7 +4794,7 @@ mips_skip_prologue (CORE_ADDR pc)
if (limit_pc == 0)
limit_pc = pc + 100; /* Magic. */
- if (pc_is_mips16 (pc))
+ if (mips_pc_is_mips16 (pc))
return mips16_scan_prologue (pc, limit_pc, NULL, NULL);
else
return mips32_scan_prologue (pc, limit_pc, NULL, NULL);
@@ -4955,12 +4955,12 @@ gdb_print_insn_mips (bfd_vma memaddr, st
work. */
if (proc_desc)
{
- if (pc_is_mips16 (PROC_LOW_ADDR (proc_desc)))
+ if (mips_pc_is_mips16 (PROC_LOW_ADDR (proc_desc)))
info->mach = bfd_mach_mips16;
}
else
{
- if (pc_is_mips16 (memaddr))
+ if (mips_pc_is_mips16 (memaddr))
info->mach = bfd_mach_mips16;
}
@@ -5005,7 +5005,7 @@ mips_breakpoint_from_pc (CORE_ADDR *pcpt
{
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
- if (pc_is_mips16 (*pcptr))
+ if (mips_pc_is_mips16 (*pcptr))
{
static unsigned char mips16_big_breakpoint[] = { 0xe8, 0xa5 };
*pcptr = unmake_mips16_addr (*pcptr);
@@ -5035,7 +5035,7 @@ mips_breakpoint_from_pc (CORE_ADDR *pcpt
}
else
{
- if (pc_is_mips16 (*pcptr))
+ if (mips_pc_is_mips16 (*pcptr))
{
static unsigned char mips16_little_breakpoint[] = { 0xa5, 0xe8 };
*pcptr = unmake_mips16_addr (*pcptr);
Index: mips-tdep.h
===================================================================
RCS file: /cvs/src/src/gdb/mips-tdep.h,v
retrieving revision 1.10
diff -p -u -r1.10 mips-tdep.h
--- mips-tdep.h 26 Oct 2004 19:40:39 -0000 1.10
+++ mips-tdep.h 30 Oct 2004 17:52:54 -0000
@@ -91,4 +91,8 @@ enum mips_insn_size
/* Single step based on where the current instruction will take us. */
extern void mips_software_single_step (enum target_signal, int);
+/* Tell if the program counter value in MEMADDR is in a MIPS16
+ function. */
+extern int mips_pc_is_mips16 (bfd_vma memaddr);
+
#endif /* MIPS_TDEP_H */