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Diffstat (limited to 'gdb/vax-tdep.c')
-rw-r--r--gdb/vax-tdep.c82
1 files changed, 32 insertions, 50 deletions
diff --git a/gdb/vax-tdep.c b/gdb/vax-tdep.c
index c229e66..9818f6f 100644
--- a/gdb/vax-tdep.c
+++ b/gdb/vax-tdep.c
@@ -38,11 +38,9 @@
static const char *
vax_register_name (struct gdbarch *gdbarch, int regnum)
{
- static const char *register_names[] =
- {
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc",
- "ps",
+ static const char *register_names[] = {
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8",
+ "r9", "r10", "r11", "ap", "fp", "sp", "pc", "ps",
};
gdb_static_assert (VAX_NUM_REGS == ARRAY_SIZE (register_names));
@@ -57,7 +55,7 @@ vax_register_type (struct gdbarch *gdbarch, int regnum)
{
return builtin_type (gdbarch)->builtin_int;
}
-
+
/* Core file support. */
/* Supply register REGNUM from the buffer specified by GREGS and LEN
@@ -80,11 +78,7 @@ vax_supply_gregset (const struct regset *regset, struct regcache *regcache,
/* VAX register set. */
-static const struct regset vax_gregset =
-{
- NULL,
- vax_supply_gregset
-};
+static const struct regset vax_gregset = { NULL, vax_supply_gregset };
/* Iterate over core file register note sections. */
@@ -96,14 +90,14 @@ vax_iterate_over_regset_sections (struct gdbarch *gdbarch,
{
cb (".reg", VAX_NUM_REGS * 4, VAX_NUM_REGS * 4, &vax_gregset, NULL, cb_data);
}
-
+
/* The VAX UNIX calling convention uses R1 to pass a structure return
value address instead of passing it as a first (hidden) argument as
the VMS calling convention suggests. */
static CORE_ADDR
-vax_store_arguments (struct regcache *regcache, int nargs,
- struct value **args, CORE_ADDR sp)
+vax_store_arguments (struct regcache *regcache, int nargs, struct value **args,
+ CORE_ADDR sp)
{
struct gdbarch *gdbarch = regcache->arch ();
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
@@ -194,7 +188,6 @@ vax_dummy_id (struct gdbarch *gdbarch, frame_info_ptr this_frame)
fp = get_frame_register_unsigned (this_frame, VAX_FP_REGNUM);
return frame_id_build (fp, get_frame_pc (this_frame));
}
-
static enum return_value_convention
vax_return_value (struct gdbarch *gdbarch, struct value *function,
@@ -204,8 +197,7 @@ vax_return_value (struct gdbarch *gdbarch, struct value *function,
int len = type->length ();
gdb_byte buf[8];
- if (type->code () == TYPE_CODE_STRUCT
- || type->code () == TYPE_CODE_UNION
+ if (type->code () == TYPE_CODE_STRUCT || type->code () == TYPE_CODE_UNION
|| type->code () == TYPE_CODE_ARRAY)
{
/* The default on VAX is to return structures in static memory.
@@ -242,7 +234,6 @@ vax_return_value (struct gdbarch *gdbarch, struct value *function,
return RETURN_VALUE_REGISTER_CONVENTION;
}
-
/* Use the program counter to determine the contents and size of a
breakpoint instruction. Return a pointer to a string of bytes that
@@ -253,7 +244,7 @@ vax_return_value (struct gdbarch *gdbarch, struct value *function,
constexpr gdb_byte vax_break_insn[] = { 3 };
typedef BP_MANIPULATION (vax_break_insn) vax_breakpoint;
-
+
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
@@ -264,28 +255,27 @@ vax_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
gdb_byte op = read_memory_unsigned_integer (pc, 1, byte_order);
if (op == 0x11)
- pc += 2; /* skip brb */
+ pc += 2; /* skip brb */
if (op == 0x31)
- pc += 3; /* skip brw */
+ pc += 3; /* skip brw */
if (op == 0xC2
&& read_memory_unsigned_integer (pc + 2, 1, byte_order) == 0x5E)
- pc += 3; /* skip subl2 */
+ pc += 3; /* skip subl2 */
if (op == 0x9E
&& read_memory_unsigned_integer (pc + 1, 1, byte_order) == 0xAE
&& read_memory_unsigned_integer (pc + 3, 1, byte_order) == 0x5E)
- pc += 4; /* skip movab */
+ pc += 4; /* skip movab */
if (op == 0x9E
&& read_memory_unsigned_integer (pc + 1, 1, byte_order) == 0xCE
&& read_memory_unsigned_integer (pc + 4, 1, byte_order) == 0x5E)
- pc += 5; /* skip movab */
+ pc += 5; /* skip movab */
if (op == 0x9E
&& read_memory_unsigned_integer (pc + 1, 1, byte_order) == 0xEE
&& read_memory_unsigned_integer (pc + 6, 1, byte_order) == 0x5E)
- pc += 7; /* skip movab */
+ pc += 7; /* skip movab */
return pc;
}
-
/* Unwinding the stack is relatively easy since the VAX has a
dedicated frame pointer, and frames are set up automatically as the
@@ -378,25 +368,22 @@ vax_frame_this_id (frame_info_ptr this_frame, void **this_cache,
}
static struct value *
-vax_frame_prev_register (frame_info_ptr this_frame,
- void **this_cache, int regnum)
+vax_frame_prev_register (frame_info_ptr this_frame, void **this_cache,
+ int regnum)
{
struct vax_frame_cache *cache = vax_frame_cache (this_frame, this_cache);
return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
}
-static const struct frame_unwind vax_frame_unwind =
-{
- "vax prologue",
- NORMAL_FRAME,
- default_frame_unwind_stop_reason,
- vax_frame_this_id,
- vax_frame_prev_register,
- NULL,
- default_frame_sniffer
-};
-
+static const struct frame_unwind vax_frame_unwind
+ = { "vax prologue",
+ NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
+ vax_frame_this_id,
+ vax_frame_prev_register,
+ NULL,
+ default_frame_sniffer };
static CORE_ADDR
vax_frame_base_address (frame_info_ptr this_frame, void **this_cache)
@@ -412,13 +399,9 @@ vax_frame_args_address (frame_info_ptr this_frame, void **this_cache)
return get_frame_register_unsigned (this_frame, VAX_AP_REGNUM);
}
-static const struct frame_base vax_frame_base =
-{
- &vax_frame_unwind,
- vax_frame_base_address,
- vax_frame_base_address,
- vax_frame_args_address
-};
+static const struct frame_base vax_frame_base
+ = { &vax_frame_unwind, vax_frame_base_address, vax_frame_base_address,
+ vax_frame_args_address };
/* Return number of arguments for FRAME. */
@@ -436,8 +419,6 @@ vax_frame_num_args (frame_info_ptr frame)
return get_frame_memory_unsigned (frame, args, 1);
}
-
-
/* Initialize the current architecture based on INFO. If possible, re-use an
architecture from ARCHES, which is a list of architectures already created
during this debugging session.
@@ -470,8 +451,8 @@ vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_pc_regnum (gdbarch, VAX_PC_REGNUM);
set_gdbarch_ps_regnum (gdbarch, VAX_PS_REGNUM);
- set_gdbarch_iterate_over_regset_sections
- (gdbarch, vax_iterate_over_regset_sections);
+ set_gdbarch_iterate_over_regset_sections (gdbarch,
+ vax_iterate_over_regset_sections);
/* Frame and stack info */
set_gdbarch_skip_prologue (gdbarch, vax_skip_prologue);
@@ -507,6 +488,7 @@ vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
}
void _initialize_vax_tdep ();
+
void
_initialize_vax_tdep ()
{
generated by cgit v1.1 at 2025-08-05 04:16:05 +0000