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Diffstat (limited to 'gdb/xstormy16-tdep.c')
-rw-r--r--gdb/xstormy16-tdep.c61
1 files changed, 40 insertions, 21 deletions
diff --git a/gdb/xstormy16-tdep.c b/gdb/xstormy16-tdep.c
index c5601b4..d5d3689 100644
--- a/gdb/xstormy16-tdep.c
+++ b/gdb/xstormy16-tdep.c
@@ -233,6 +233,7 @@ xstormy16_push_dummy_call (struct gdbarch *gdbarch,
CORE_ADDR sp, int struct_return,
CORE_ADDR struct_addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR stack_dest = sp;
int argreg = E_1ST_ARG_REGNUM;
int i, j;
@@ -266,7 +267,8 @@ xstormy16_push_dummy_call (struct gdbarch *gdbarch,
extract_unsigned_integer (val + j,
typelen - j ==
1 ? 1 :
- xstormy16_reg_size));
+ xstormy16_reg_size,
+ byte_order));
}
/* Align SP */
@@ -289,7 +291,7 @@ xstormy16_push_dummy_call (struct gdbarch *gdbarch,
stack_dest += typelen + slacklen;
}
- store_unsigned_integer (buf, xstormy16_pc_size, bp_addr);
+ store_unsigned_integer (buf, xstormy16_pc_size, byte_order, bp_addr);
write_memory (stack_dest, buf, xstormy16_pc_size);
stack_dest += xstormy16_pc_size;
@@ -309,10 +311,12 @@ xstormy16_push_dummy_call (struct gdbarch *gdbarch,
Returns the address of the first instruction after the prologue. */
static CORE_ADDR
-xstormy16_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
+xstormy16_analyze_prologue (struct gdbarch *gdbarch,
+ CORE_ADDR start_addr, CORE_ADDR end_addr,
struct xstormy16_frame_cache *cache,
struct frame_info *this_frame)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR next_addr;
ULONGEST inst, inst2;
LONGEST offset;
@@ -328,9 +332,10 @@ xstormy16_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
for (next_addr = start_addr;
next_addr < end_addr; next_addr += xstormy16_inst_size)
{
- inst = read_memory_unsigned_integer (next_addr, xstormy16_inst_size);
+ inst = read_memory_unsigned_integer (next_addr,
+ xstormy16_inst_size, byte_order);
inst2 = read_memory_unsigned_integer (next_addr + xstormy16_inst_size,
- xstormy16_inst_size);
+ xstormy16_inst_size, byte_order);
if (inst >= 0x0082 && inst <= 0x008d) /* push r2 .. push r13 */
{
@@ -419,7 +424,8 @@ xstormy16_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
memset (&cache, 0, sizeof cache);
/* Don't trust line number debug info in frameless functions. */
- plg_end = xstormy16_analyze_prologue (func_addr, func_end, &cache, NULL);
+ plg_end = xstormy16_analyze_prologue (gdbarch, func_addr, func_end,
+ &cache, NULL);
if (!cache.uses_fp)
return plg_end;
@@ -450,6 +456,7 @@ xstormy16_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
static int
xstormy16_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR func_addr = 0, func_end = 0;
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
@@ -463,19 +470,21 @@ xstormy16_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
/* Check if we're on a `ret' instruction. Otherwise it's
too dangerous to proceed. */
- inst = read_memory_unsigned_integer (addr, xstormy16_inst_size);
+ inst = read_memory_unsigned_integer (addr,
+ xstormy16_inst_size, byte_order);
if (inst != 0x0003)
return 0;
while ((addr -= xstormy16_inst_size) >= func_addr)
{
- inst = read_memory_unsigned_integer (addr, xstormy16_inst_size);
+ inst = read_memory_unsigned_integer (addr,
+ xstormy16_inst_size, byte_order);
if (inst >= 0x009a && inst <= 0x009d) /* pop r10...r13 */
continue;
if (inst == 0x305f || inst == 0x307f) /* dec r15, #0x1/#0x3 */
break;
inst2 = read_memory_unsigned_integer (addr - xstormy16_inst_size,
- xstormy16_inst_size);
+ xstormy16_inst_size, byte_order);
if (inst2 == 0x314f && inst >= 0x8000) /* add r15, neg. value */
{
addr -= xstormy16_inst_size;
@@ -501,8 +510,9 @@ xstormy16_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
/* Given a pointer to a jump table entry, return the address
of the function it jumps to. Return 0 if not found. */
static CORE_ADDR
-xstormy16_resolve_jmp_table_entry (CORE_ADDR faddr)
+xstormy16_resolve_jmp_table_entry (struct gdbarch *gdbarch, CORE_ADDR faddr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct obj_section *faddr_sect = find_pc_section (faddr);
if (faddr_sect)
@@ -516,9 +526,10 @@ xstormy16_resolve_jmp_table_entry (CORE_ADDR faddr)
if (!target_read_memory (faddr, buf, sizeof buf))
{
- inst = extract_unsigned_integer (buf, xstormy16_inst_size);
+ inst = extract_unsigned_integer (buf,
+ xstormy16_inst_size, byte_order);
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
- xstormy16_inst_size);
+ xstormy16_inst_size, byte_order);
addr = inst2 << 8 | (inst & 0xff);
return addr;
}
@@ -530,8 +541,9 @@ xstormy16_resolve_jmp_table_entry (CORE_ADDR faddr)
address of the corresponding jump table entry. Return 0 if
not found. */
static CORE_ADDR
-xstormy16_find_jmp_table_entry (CORE_ADDR faddr)
+xstormy16_find_jmp_table_entry (struct gdbarch *gdbarch, CORE_ADDR faddr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct obj_section *faddr_sect = find_pc_section (faddr);
if (faddr_sect)
@@ -562,9 +574,10 @@ xstormy16_find_jmp_table_entry (CORE_ADDR faddr)
if (target_read_memory (addr, buf, sizeof buf))
return 0;
- inst = extract_unsigned_integer (buf, xstormy16_inst_size);
+ inst = extract_unsigned_integer (buf,
+ xstormy16_inst_size, byte_order);
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
- xstormy16_inst_size);
+ xstormy16_inst_size, byte_order);
faddr2 = inst2 << 8 | (inst & 0xff);
if (faddr == faddr2)
return addr;
@@ -577,7 +590,8 @@ xstormy16_find_jmp_table_entry (CORE_ADDR faddr)
static CORE_ADDR
xstormy16_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
{
- CORE_ADDR tmp = xstormy16_resolve_jmp_table_entry (pc);
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ CORE_ADDR tmp = xstormy16_resolve_jmp_table_entry (gdbarch, pc);
if (tmp && tmp != pc)
return tmp;
@@ -595,12 +609,14 @@ static CORE_ADDR
xstormy16_pointer_to_address (struct gdbarch *gdbarch,
struct type *type, const gdb_byte *buf)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
- CORE_ADDR addr = extract_unsigned_integer (buf, TYPE_LENGTH (type));
+ CORE_ADDR addr
+ = extract_unsigned_integer (buf, TYPE_LENGTH (type), byte_order);
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
{
- CORE_ADDR addr2 = xstormy16_resolve_jmp_table_entry (addr);
+ CORE_ADDR addr2 = xstormy16_resolve_jmp_table_entry (gdbarch, addr);
if (addr2)
addr = addr2;
}
@@ -612,15 +628,16 @@ static void
xstormy16_address_to_pointer (struct gdbarch *gdbarch,
struct type *type, gdb_byte *buf, CORE_ADDR addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
{
- CORE_ADDR addr2 = xstormy16_find_jmp_table_entry (addr);
+ CORE_ADDR addr2 = xstormy16_find_jmp_table_entry (gdbarch, addr);
if (addr2)
addr = addr2;
}
- store_unsigned_integer (buf, TYPE_LENGTH (type), addr);
+ store_unsigned_integer (buf, TYPE_LENGTH (type), byte_order, addr);
}
static struct xstormy16_frame_cache *
@@ -645,6 +662,7 @@ xstormy16_alloc_frame_cache (void)
static struct xstormy16_frame_cache *
xstormy16_frame_cache (struct frame_info *this_frame, void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct xstormy16_frame_cache *cache;
CORE_ADDR current_pc;
int i;
@@ -662,7 +680,8 @@ xstormy16_frame_cache (struct frame_info *this_frame, void **this_cache)
cache->pc = get_frame_func (this_frame);
current_pc = get_frame_pc (this_frame);
if (cache->pc)
- xstormy16_analyze_prologue (cache->pc, current_pc, cache, this_frame);
+ xstormy16_analyze_prologue (gdbarch, cache->pc, current_pc,
+ cache, this_frame);
if (!cache->uses_fp)
cache->base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
generated by cgit v1.1 at 2024-11-23 22:18:26 +0000