#include "gdbcore.h"
#include "symfile.h"
#include "gdb_string.h"
-#include "dis-asm.h" /* For register flavors. */
+#include "dis-asm.h" /* For register styles. */
#include "regcache.h"
#include "doublest.h"
#include "value.h"
#define MSYMBOL_SIZE(msym) \
((long) MSYMBOL_INFO (msym) & 0x7fffffff)
+/* The list of available "set arm ..." and "show arm ..." commands. */
+static struct cmd_list_element *setarmcmdlist = NULL;
+static struct cmd_list_element *showarmcmdlist = NULL;
+
+/* The type of floating-point to use. Keep this in sync with enum
+ arm_float_model, and the help string in _initialize_arm_tdep. */
+static const char *fp_model_strings[] =
+{
+ "auto",
+ "softfpa",
+ "fpa",
+ "softvfp",
+ "vfp"
+};
+
+/* A variable that can be configured by the user. */
+static enum arm_float_model arm_fp_model = ARM_FLOAT_AUTO;
+static const char *current_fp_model = "auto";
+
/* Number of different reg name sets (options). */
-static int num_flavor_options;
+static int num_disassembly_options;
/* We have more registers than the disassembler as gdb can print the value
of special registers as well.
"fps", "cpsr" }; /* 24 25 */
static char **arm_register_names = arm_register_name_strings;
-/* Valid register name flavors. */
-static const char **valid_flavors;
+/* Valid register name styles. */
+static const char **valid_disassembly_styles;
-/* Disassembly flavor to use. Default to "std" register names. */
-static const char *disassembly_flavor;
+/* Disassembly style to use. Default to "std" register names. */
+static const char *disassembly_style;
/* Index to that option in the opcodes table. */
static int current_option;
/* This is used to keep the bfd arch_info in sync with the disassembly
- flavor. */
-static void set_disassembly_flavor_sfunc(char *, int,
+ style. */
+static void set_disassembly_style_sfunc(char *, int,
struct cmd_list_element *);
-static void set_disassembly_flavor (void);
+static void set_disassembly_style (void);
static void convert_from_extended (const struct floatformat *, const void *,
void *);
static int
arm_frame_chain_valid (CORE_ADDR chain, struct frame_info *thisframe)
{
- return (FRAME_SAVED_PC (thisframe) >= LOWEST_PC);
+ return (DEPRECATED_FRAME_SAVED_PC (thisframe) >= LOWEST_PC);
}
/* Set to true if the 32-bit mode is in use. */
stmdb sp!, {}
sub sp, ip, #4. */
- func_start = (get_pc_function_start (get_frame_pc (fi)) + FUNCTION_START_OFFSET);
+ func_start = (get_frame_func (fi) + FUNCTION_START_OFFSET);
after_prologue = SKIP_PROLOGUE (func_start);
/* There are some frameless functions whose first two instructions
}
}
-/* Check if prologue for this frame's PC has already been scanned. If
- it has, copy the relevant information about that prologue and
- return non-zero. Otherwise do not copy anything and return zero.
-
- The information saved in the cache includes:
- * the frame register number;
- * the size of the stack frame;
- * the offsets of saved regs (relative to the old SP); and
- * the offset from the stack pointer to the frame pointer
-
- The cache contains only one entry, since this is adequate for the
- typical sequence of prologue scan requests we get. When performing
- a backtrace, GDB will usually ask to scan the same function twice
- in a row (once to get the frame chain, and once to fill in the
- extra frame information). */
-
-static struct frame_info *prologue_cache;
-
-static int
-check_prologue_cache (struct frame_info *fi)
-{
- int i;
-
- if (get_frame_pc (fi) == get_frame_pc (prologue_cache))
- {
- get_frame_extra_info (fi)->framereg = get_frame_extra_info (prologue_cache)->framereg;
- get_frame_extra_info (fi)->framesize = get_frame_extra_info (prologue_cache)->framesize;
- get_frame_extra_info (fi)->frameoffset = get_frame_extra_info (prologue_cache)->frameoffset;
- for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
- get_frame_saved_regs (fi)[i] = get_frame_saved_regs (prologue_cache)[i];
- return 1;
- }
- else
- return 0;
-}
-
-
-/* Copy the prologue information from fi to the prologue cache. */
-
-static void
-save_prologue_cache (struct frame_info *fi)
-{
- int i;
-
- deprecated_update_frame_pc_hack (prologue_cache, get_frame_pc (fi));
- get_frame_extra_info (prologue_cache)->framereg = get_frame_extra_info (fi)->framereg;
- get_frame_extra_info (prologue_cache)->framesize = get_frame_extra_info (fi)->framesize;
- get_frame_extra_info (prologue_cache)->frameoffset = get_frame_extra_info (fi)->frameoffset;
-
- for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
- get_frame_saved_regs (prologue_cache)[i] = get_frame_saved_regs (fi)[i];
-}
-
-
/* This function decodes an ARM function prologue to determine:
1) the size of the stack frame
2) which registers are saved on it
LONGEST return_value;
CORE_ADDR prologue_start, prologue_end, current_pc;
- /* Check if this function is already in the cache of frame information. */
- if (check_prologue_cache (fi))
- return;
-
/* Assume there is no frame until proven otherwise. */
get_frame_extra_info (fi)->framereg = ARM_SP_REGNUM;
get_frame_extra_info (fi)->framesize = 0;
if (arm_pc_is_thumb (get_frame_pc (fi)))
{
thumb_scan_prologue (fi);
- save_prologue_cache (fi);
return;
}
get_frame_extra_info (fi)->frameoffset = fp_offset - sp_offset;
else
get_frame_extra_info (fi)->frameoffset = 0;
-
- save_prologue_cache (fi);
}
/* Find REGNUM on the stack. Otherwise, it's in an active register.
}
/* Function: frame_chain Given a GDB frame, determine the address of
the calling function's frame. This will be used to create a new
- GDB frame struct, and then INIT_EXTRA_FRAME_INFO and
+ GDB frame struct, and then DEPRECATED_INIT_EXTRA_FRAME_INFO and
DEPRECATED_INIT_FRAME_PC will be called for the new frame. For
ARM, we save the frame size when we initialize the frame_info. */
return 0;
/* If the caller is the startup code, we're at the end of the chain. */
- caller_pc = FRAME_SAVED_PC (fi);
+ caller_pc = DEPRECATED_FRAME_SAVED_PC (fi);
/* If the caller is Thumb and the caller is ARM, or vice versa,
the frame register of the caller is different from ours.
get_frame_extra_info (fi)->framereg = 0;
if (get_next_frame (fi))
- deprecated_update_frame_pc_hack (fi, FRAME_SAVED_PC (get_next_frame (fi)));
+ deprecated_update_frame_pc_hack (fi, DEPRECATED_FRAME_SAVED_PC (get_next_frame (fi)));
memset (get_frame_saved_regs (fi), '\000', sizeof get_frame_saved_regs (fi));
/* Determine whether or not we're in a sigtramp frame.
Unfortunately, it isn't sufficient to test (get_frame_type (fi)
== SIGTRAMP_FRAME) because this value is sometimes set after
- invoking INIT_EXTRA_FRAME_INFO. So we test *both*
+ invoking DEPRECATED_INIT_EXTRA_FRAME_INFO. So we test *both*
(get_frame_type (fi) == SIGTRAMP_FRAME) and PC_IN_SIGTRAMP to
determine if we need to use the sigcontext addresses for the
saved registers.
write_register (4, fun);
}
-/* Note: ScottB
-
- This function does not support passing parameters using the FPA
- variant of the APCS. It passes any floating point arguments in the
- general registers and/or on the stack. */
-
-static CORE_ADDR
-arm_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
-{
- CORE_ADDR fp;
- int argnum;
- int argreg;
- int nstack;
- int simd_argreg;
- int second_pass;
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
- /* Walk through the list of args and determine how large a temporary
- stack is required. Need to take care here as structs may be
- passed on the stack, and we have to to push them. On the second
- pass, do the store. */
- nstack = 0;
- fp = sp;
- for (second_pass = 0; second_pass < 2; second_pass++)
- {
- /* Compute the FP using the information computed during the
- first pass. */
- if (second_pass)
- fp = sp - nstack;
-
- simd_argreg = 0;
- argreg = ARM_A1_REGNUM;
- nstack = 0;
-
- /* The struct_return pointer occupies the first parameter
- passing register. */
- if (struct_return)
- {
- if (second_pass)
- {
- if (arm_debug)
- fprintf_unfiltered (gdb_stdlog,
- "struct return in %s = 0x%s\n",
- REGISTER_NAME (argreg),
- paddr (struct_addr));
- write_register (argreg, struct_addr);
- }
- argreg++;
- }
-
- for (argnum = 0; argnum < nargs; argnum++)
- {
- int len;
- struct type *arg_type;
- struct type *target_type;
- enum type_code typecode;
- char *val;
-
- arg_type = check_typedef (VALUE_TYPE (args[argnum]));
- len = TYPE_LENGTH (arg_type);
- target_type = TYPE_TARGET_TYPE (arg_type);
- typecode = TYPE_CODE (arg_type);
- val = VALUE_CONTENTS (args[argnum]);
-
- /* If the argument is a pointer to a function, and it is a
- Thumb function, create a LOCAL copy of the value and set
- the THUMB bit in it. */
- if (second_pass
- && TYPE_CODE_PTR == typecode
- && target_type != NULL
- && TYPE_CODE_FUNC == TYPE_CODE (target_type))
- {
- CORE_ADDR regval = extract_address (val, len);
- if (arm_pc_is_thumb (regval))
- {
- val = alloca (len);
- store_address (val, len, MAKE_THUMB_ADDR (regval));
- }
- }
-
- /* Copy the argument to general registers or the stack in
- register-sized pieces. Large arguments are split between
- registers and stack. */
- while (len > 0)
- {
- int partial_len = len < REGISTER_SIZE ? len : REGISTER_SIZE;
-
- if (argreg <= ARM_LAST_ARG_REGNUM)
- {
- /* The argument is being passed in a general purpose
- register. */
- if (second_pass)
- {
- CORE_ADDR regval = extract_address (val,
- partial_len);
- if (arm_debug)
- fprintf_unfiltered (gdb_stdlog,
- "arg %d in %s = 0x%s\n",
- argnum,
- REGISTER_NAME (argreg),
- phex (regval, REGISTER_SIZE));
- write_register (argreg, regval);
- }
- argreg++;
- }
- else
- {
- if (second_pass)
- {
- /* Push the arguments onto the stack. */
- if (arm_debug)
- fprintf_unfiltered (gdb_stdlog,
- "arg %d @ 0x%s + %d\n",
- argnum, paddr (fp), nstack);
- write_memory (fp + nstack, val, REGISTER_SIZE);
- }
- nstack += REGISTER_SIZE;
- }
-
- len -= partial_len;
- val += partial_len;
- }
-
- }
- }
-
- /* Return the botom of the argument list (pointed to by fp). */
- return fp;
-}
-
/* Pop the current frame. So long as the frame info has been
initialized properly (see arm_init_extra_frame_info), this code
works for dummy frames as well as regular frames. I.e, there's no
read_memory_integer (get_frame_saved_regs (frame)[regnum],
REGISTER_RAW_SIZE (regnum)));
- write_register (ARM_PC_REGNUM, FRAME_SAVED_PC (frame));
+ write_register (ARM_PC_REGNUM, DEPRECATED_FRAME_SAVED_PC (frame));
write_register (ARM_SP_REGNUM, old_SP);
flush_cached_frames ();
}
+/* When arguments must be pushed onto the stack, they go on in reverse
+ order. The code below implements a FILO (stack) to do this. */
+
+struct stack_item
+{
+ int len;
+ struct stack_item *prev;
+ void *data;
+};
+
+static struct stack_item *
+push_stack_item (struct stack_item *prev, void *contents, int len)
+{
+ struct stack_item *si;
+ si = xmalloc (sizeof (struct stack_item));
+ si->data = xmalloc (len);
+ si->len = len;
+ si->prev = prev;
+ memcpy (si->data, contents, len);
+ return si;
+}
+
+static struct stack_item *
+pop_stack_item (struct stack_item *si)
+{
+ struct stack_item *dead = si;
+ si = si->prev;
+ xfree (dead->data);
+ xfree (dead);
+ return si;
+}
+
+/* We currently only support passing parameters in integer registers. This
+ conforms with GCC's default model. Several other variants exist and
+ we should probably support some of them based on the selected ABI. */
+
+static CORE_ADDR
+arm_push_dummy_call (struct gdbarch *gdbarch, struct regcache *regcache,
+ CORE_ADDR dummy_addr, int nargs, struct value **args,
+ CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr)
+{
+ int argnum;
+ int argreg;
+ int nstack;
+ struct stack_item *si = NULL;
+
+ /* Set the return address. For the ARM, the return breakpoint is always
+ at DUMMY_ADDR. */
+ /* XXX Fix for Thumb. */
+ regcache_cooked_write_unsigned (regcache, ARM_LR_REGNUM, dummy_addr);
+
+ /* Walk through the list of args and determine how large a temporary
+ stack is required. Need to take care here as structs may be
+ passed on the stack, and we have to to push them. */
+ nstack = 0;
+
+ argreg = ARM_A1_REGNUM;
+ nstack = 0;
+
+ /* Some platforms require a double-word aligned stack. Make sure sp
+ is correctly aligned before we start. We always do this even if
+ it isn't really needed -- it can never hurt things. */
+ sp &= ~(CORE_ADDR)(2 * REGISTER_SIZE - 1);
+
+ /* The struct_return pointer occupies the first parameter
+ passing register. */
+ if (struct_return)
+ {
+ if (arm_debug)
+ fprintf_unfiltered (gdb_stdlog, "struct return in %s = 0x%s\n",
+ REGISTER_NAME (argreg), paddr (struct_addr));
+ regcache_cooked_write_unsigned (regcache, argreg, struct_addr);
+ argreg++;
+ }
+
+ for (argnum = 0; argnum < nargs; argnum++)
+ {
+ int len;
+ struct type *arg_type;
+ struct type *target_type;
+ enum type_code typecode;
+ char *val;
+
+ arg_type = check_typedef (VALUE_TYPE (args[argnum]));
+ len = TYPE_LENGTH (arg_type);
+ target_type = TYPE_TARGET_TYPE (arg_type);
+ typecode = TYPE_CODE (arg_type);
+ val = VALUE_CONTENTS (args[argnum]);
+
+ /* If the argument is a pointer to a function, and it is a
+ Thumb function, create a LOCAL copy of the value and set
+ the THUMB bit in it. */
+ if (TYPE_CODE_PTR == typecode
+ && target_type != NULL
+ && TYPE_CODE_FUNC == TYPE_CODE (target_type))
+ {
+ CORE_ADDR regval = extract_address (val, len);
+ if (arm_pc_is_thumb (regval))
+ {
+ val = alloca (len);
+ store_address (val, len, MAKE_THUMB_ADDR (regval));
+ }
+ }
+
+ /* Copy the argument to general registers or the stack in
+ register-sized pieces. Large arguments are split between
+ registers and stack. */
+ while (len > 0)
+ {
+ int partial_len = len < REGISTER_SIZE ? len : REGISTER_SIZE;
+
+ if (argreg <= ARM_LAST_ARG_REGNUM)
+ {
+ /* The argument is being passed in a general purpose
+ register. */
+ CORE_ADDR regval = extract_address (val, partial_len);
+ if (arm_debug)
+ fprintf_unfiltered (gdb_stdlog, "arg %d in %s = 0x%s\n",
+ argnum, REGISTER_NAME (argreg),
+ phex (regval, REGISTER_SIZE));
+ regcache_cooked_write_unsigned (regcache, argreg, regval);
+ argreg++;
+ }
+ else
+ {
+ /* Push the arguments onto the stack. */
+ if (arm_debug)
+ fprintf_unfiltered (gdb_stdlog, "arg %d @ sp + %d\n",
+ argnum, nstack);
+ si = push_stack_item (si, val, REGISTER_SIZE);
+ nstack += REGISTER_SIZE;
+ }
+
+ len -= partial_len;
+ val += partial_len;
+ }
+ }
+ /* If we have an odd number of words to push, then decrement the stack
+ by one word now, so first stack argument will be dword aligned. */
+ if (nstack & 4)
+ sp -= 4;
+
+ while (si)
+ {
+ sp -= si->len;
+ write_memory (sp, si->data, si->len);
+ si = pop_stack_item (si);
+ }
+
+ /* Finally, update teh SP register. */
+ regcache_cooked_write_unsigned (regcache, ARM_SP_REGNUM, sp);
+
+ return sp;
+}
+
static void
print_fpu_flags (int flags)
{
static asymbol *asym;
static combined_entry_type ce;
static struct coff_symbol_struct csym;
- static struct _bfd fake_bfd;
+ static struct bfd fake_bfd;
static bfd_target fake_target;
if (csym.native == NULL)
if (TYPE_CODE_FLT == TYPE_CODE (type))
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
- switch (tdep->fp_model)
+ switch (arm_get_fp_model (current_gdbarch))
{
case ARM_FLOAT_FPA:
{
}
break;
- case ARM_FLOAT_SOFT:
+ case ARM_FLOAT_SOFT_FPA:
case ARM_FLOAT_SOFT_VFP:
regcache_cooked_read (regs, ARM_A1_REGNUM, valbuf);
if (TYPE_LENGTH (type) > 4)
if (TYPE_CODE (type) == TYPE_CODE_FLT)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
char buf[ARM_MAX_REGISTER_RAW_SIZE];
- switch (tdep->fp_model)
+ switch (arm_get_fp_model (current_gdbarch))
{
case ARM_FLOAT_FPA:
regcache_cooked_write (regs, ARM_F0_REGNUM, buf);
break;
- case ARM_FLOAT_SOFT:
+ case ARM_FLOAT_SOFT_FPA:
case ARM_FLOAT_SOFT_VFP:
regcache_cooked_write (regs, ARM_A1_REGNUM, valbuf);
if (TYPE_LENGTH (type) > 4)
}
}
-/* Store the address of the place in which to copy the structure the
- subroutine will return. This is called from call_function. */
-
-static void
-arm_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
-{
- write_register (ARM_A1_REGNUM, addr);
-}
-
static int
arm_get_longjmp_target (CORE_ADDR *pc)
{
return 0; /* not a stub */
}
-/* If the user changes the register disassembly flavor used for info
- register and other commands, we have to also switch the flavor used
- in opcodes for disassembly output. This function is run in the set
- disassembly_flavor command, and does that. */
+static void
+set_arm_command (char *args, int from_tty)
+{
+ printf_unfiltered ("\"set arm\" must be followed by an apporpriate subcommand.\n");
+ help_list (setarmcmdlist, "set arm ", all_commands, gdb_stdout);
+}
static void
-set_disassembly_flavor_sfunc (char *args, int from_tty,
+show_arm_command (char *args, int from_tty)
+{
+ cmd_show_list (showarmcmdlist, from_tty, "");
+}
+
+enum arm_float_model
+arm_get_fp_model (struct gdbarch *gdbarch)
+{
+ if (arm_fp_model == ARM_FLOAT_AUTO)
+ return gdbarch_tdep (gdbarch)->fp_model;
+
+ return arm_fp_model;
+}
+
+static void
+arm_set_fp (struct gdbarch *gdbarch)
+{
+ enum arm_float_model fp_model = arm_get_fp_model (gdbarch);
+
+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE
+ && (fp_model == ARM_FLOAT_SOFT_FPA || fp_model == ARM_FLOAT_FPA))
+ {
+ set_gdbarch_double_format (gdbarch,
+ &floatformat_ieee_double_littlebyte_bigword);
+ set_gdbarch_long_double_format
+ (gdbarch, &floatformat_ieee_double_littlebyte_bigword);
+ }
+ else
+ {
+ set_gdbarch_double_format (gdbarch, &floatformat_ieee_double_little);
+ set_gdbarch_long_double_format (gdbarch,
+ &floatformat_ieee_double_little);
+ }
+}
+
+static void
+set_fp_model_sfunc (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ enum arm_float_model fp_model;
+
+ for (fp_model = ARM_FLOAT_AUTO; fp_model != ARM_FLOAT_LAST; fp_model++)
+ if (strcmp (current_fp_model, fp_model_strings[fp_model]) == 0)
+ {
+ arm_fp_model = fp_model;
+ break;
+ }
+
+ if (fp_model == ARM_FLOAT_LAST)
+ internal_error (__FILE__, __LINE__, "Invalid fp model accepted: %s.",
+ current_fp_model);
+
+ if (gdbarch_bfd_arch_info (current_gdbarch)->arch == bfd_arch_arm)
+ arm_set_fp (current_gdbarch);
+}
+
+static void
+show_fp_model (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+ if (arm_fp_model == ARM_FLOAT_AUTO
+ && gdbarch_bfd_arch_info (current_gdbarch)->arch == bfd_arch_arm)
+ printf_filtered (" - the default for the current ABI is \"%s\".\n",
+ fp_model_strings[tdep->fp_model]);
+}
+
+/* If the user changes the register disassembly style used for info
+ register and other commands, we have to also switch the style used
+ in opcodes for disassembly output. This function is run in the "set
+ arm disassembly" command, and does that. */
+
+static void
+set_disassembly_style_sfunc (char *args, int from_tty,
struct cmd_list_element *c)
{
- set_disassembly_flavor ();
+ set_disassembly_style ();
}
\f
/* Return the ARM register name corresponding to register I. */
}
static void
-set_disassembly_flavor (void)
+set_disassembly_style (void)
{
const char *setname, *setdesc, **regnames;
int numregs, j;
- /* Find the flavor that the user wants in the opcodes table. */
+ /* Find the style that the user wants in the opcodes table. */
int current = 0;
numregs = get_arm_regnames (current, &setname, &setdesc, ®names);
- while ((disassembly_flavor != setname)
- && (current < num_flavor_options))
+ while ((disassembly_style != setname)
+ && (current < num_disassembly_options))
get_arm_regnames (++current, &setname, &setdesc, ®names);
current_option = current;
set_arm_regname_option (current);
}
-/* arm_othernames implements the "othernames" command. This is kind
- of hacky, and I prefer the set-show disassembly-flavor which is
- also used for the x86 gdb. I will keep this around, however, in
- case anyone is actually using it. */
+/* arm_othernames implements the "othernames" command. This is deprecated
+ by the "set arm disassembly" command. */
static void
arm_othernames (char *names, int n)
{
/* Circle through the various flavors. */
- current_option = (current_option + 1) % num_flavor_options;
+ current_option = (current_option + 1) % num_disassembly_options;
- disassembly_flavor = valid_flavors[current_option];
- set_disassembly_flavor ();
+ disassembly_style = valid_disassembly_styles[current_option];
+ set_disassembly_style ();
}
/* Fetch, and possibly build, an appropriate link_map_offsets structure
default:
/* Leave it as "unknown". */
+ break;
}
}
ready to unwind the PC first (see frame.c:get_prev_frame()). */
set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default);
- /* This is the way it has always defaulted. */
- tdep->fp_model = ARM_FLOAT_FPA;
+ /* We used to default to FPA for generic ARM, but almost nobody uses that
+ now, and we now provide a way for the user to force the model. So
+ default to the most useful variant. */
+ tdep->fp_model = ARM_FLOAT_SOFT_FPA;
/* Breakpoints. */
switch (info.byte_order)
tdep->lowest_pc = 0x20;
tdep->jb_pc = -1; /* Longjump support not enabled by default. */
- set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
- set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
-
- set_gdbarch_call_dummy_p (gdbarch, 1);
- set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
-
set_gdbarch_call_dummy_words (gdbarch, arm_call_dummy_words);
set_gdbarch_sizeof_call_dummy_words (gdbarch, 0);
- set_gdbarch_call_dummy_start_offset (gdbarch, 0);
- set_gdbarch_call_dummy_length (gdbarch, 0);
-
- set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
- set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
- set_gdbarch_push_return_address (gdbarch, arm_push_return_address);
-
- set_gdbarch_push_arguments (gdbarch, arm_push_arguments);
+ set_gdbarch_push_dummy_call (gdbarch, arm_push_dummy_call);
/* Frame handling. */
- set_gdbarch_frame_chain_valid (gdbarch, arm_frame_chain_valid);
- set_gdbarch_init_extra_frame_info (gdbarch, arm_init_extra_frame_info);
+ set_gdbarch_deprecated_frame_chain_valid (gdbarch, arm_frame_chain_valid);
+ set_gdbarch_deprecated_init_extra_frame_info (gdbarch, arm_init_extra_frame_info);
set_gdbarch_read_fp (gdbarch, arm_read_fp);
- set_gdbarch_frame_chain (gdbarch, arm_frame_chain);
+ set_gdbarch_deprecated_frame_chain (gdbarch, arm_frame_chain);
set_gdbarch_frameless_function_invocation
(gdbarch, arm_frameless_function_invocation);
- set_gdbarch_frame_saved_pc (gdbarch, arm_frame_saved_pc);
+ set_gdbarch_deprecated_frame_saved_pc (gdbarch, arm_frame_saved_pc);
set_gdbarch_frame_args_address (gdbarch, arm_frame_args_address);
set_gdbarch_frame_locals_address (gdbarch, arm_frame_locals_address);
set_gdbarch_frame_num_args (gdbarch, arm_frame_num_args);
set_gdbarch_frame_args_skip (gdbarch, 0);
- set_gdbarch_frame_init_saved_regs (gdbarch, arm_frame_init_saved_regs);
- set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
- set_gdbarch_pop_frame (gdbarch, arm_pop_frame);
+ set_gdbarch_deprecated_frame_init_saved_regs (gdbarch, arm_frame_init_saved_regs);
+ set_gdbarch_deprecated_pop_frame (gdbarch, arm_pop_frame);
/* Address manipulation. */
set_gdbarch_smash_text_address (gdbarch, arm_smash_text_address);
set_gdbarch_num_regs (gdbarch, NUM_GREGS + NUM_FREGS + NUM_SREGS);
set_gdbarch_register_raw_size (gdbarch, arm_register_raw_size);
set_gdbarch_register_virtual_size (gdbarch, arm_register_virtual_size);
- set_gdbarch_max_register_raw_size (gdbarch, FP_REGISTER_RAW_SIZE);
- set_gdbarch_max_register_virtual_size (gdbarch, FP_REGISTER_VIRTUAL_SIZE);
+ set_gdbarch_deprecated_max_register_raw_size (gdbarch, FP_REGISTER_RAW_SIZE);
+ set_gdbarch_deprecated_max_register_virtual_size (gdbarch, FP_REGISTER_VIRTUAL_SIZE);
set_gdbarch_register_virtual_type (gdbarch, arm_register_type);
/* Internal <-> external register number maps. */
/* Returning results. */
set_gdbarch_extract_return_value (gdbarch, arm_extract_return_value);
set_gdbarch_store_return_value (gdbarch, arm_store_return_value);
- set_gdbarch_store_struct_return (gdbarch, arm_store_struct_return);
set_gdbarch_use_struct_convention (gdbarch, arm_use_struct_convention);
set_gdbarch_extract_struct_value_address (gdbarch,
arm_extract_struct_value_address);
/* XXX For an RDI target we should ask the target if it can single-step. */
set_gdbarch_software_single_step (gdbarch, arm_software_single_step);
+ /* Disassembly. */
+ set_gdbarch_print_insn (gdbarch, gdb_print_insn_arm);
+
/* Minsymbol frobbing. */
set_gdbarch_elf_make_msymbol_special (gdbarch, arm_elf_make_msymbol_special);
set_gdbarch_coff_make_msymbol_special (gdbarch,
case BFD_ENDIAN_LITTLE:
set_gdbarch_float_format (gdbarch, &floatformat_ieee_single_little);
- if (tdep->fp_model == ARM_FLOAT_VFP
- || tdep->fp_model == ARM_FLOAT_SOFT_VFP)
- {
- set_gdbarch_double_format (gdbarch, &floatformat_ieee_double_little);
- set_gdbarch_long_double_format (gdbarch,
- &floatformat_ieee_double_little);
- }
- else
- {
- set_gdbarch_double_format
- (gdbarch, &floatformat_ieee_double_littlebyte_bigword);
- set_gdbarch_long_double_format
- (gdbarch, &floatformat_ieee_double_littlebyte_bigword);
- }
+ arm_set_fp (gdbarch);
break;
default:
"arm_gdbarch_init: bad byte order for float format");
}
- /* We can't use SIZEOF_FRAME_SAVED_REGS here, since that still
- references the old architecture vector, not the one we are
- building here. */
- if (get_frame_saved_regs (prologue_cache) != NULL)
- xfree (get_frame_saved_regs (prologue_cache));
-
- /* We can't use NUM_REGS nor NUM_PSEUDO_REGS here, since that still
- references the old architecture vector, not the one we are
- building here. */
- prologue_cache->saved_regs = (CORE_ADDR *)
- xcalloc (1, (sizeof (CORE_ADDR)
- * (gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch))));
-
return gdbarch;
}
{
struct ui_file *stb;
long length;
- struct cmd_list_element *new_cmd;
+ struct cmd_list_element *new_set, *new_show;
const char *setname;
const char *setdesc;
const char **regnames;
gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_ARM_APCS,
arm_init_abi_apcs);
- tm_print_insn = gdb_print_insn_arm;
-
/* Get the number of possible sets of register names defined in opcodes. */
- num_flavor_options = get_arm_regname_num_options ();
+ num_disassembly_options = get_arm_regname_num_options ();
+
+ /* Add root prefix command for all "set arm"/"show arm" commands. */
+ add_prefix_cmd ("arm", no_class, set_arm_command,
+ "Various ARM-specific commands.",
+ &setarmcmdlist, "set arm ", 0, &setlist);
+
+ add_prefix_cmd ("arm", no_class, show_arm_command,
+ "Various ARM-specific commands.",
+ &showarmcmdlist, "show arm ", 0, &showlist);
/* Sync the opcode insn printer with our register viewer. */
parse_arm_disassembler_option ("reg-names-std");
/* Begin creating the help text. */
stb = mem_fileopen ();
- fprintf_unfiltered (stb, "Set the disassembly flavor.\n\
-The valid values are:\n");
+ fprintf_unfiltered (stb, "Set the disassembly style.\n"
+ "The valid values are:\n");
/* Initialize the array that will be passed to add_set_enum_cmd(). */
- valid_flavors = xmalloc ((num_flavor_options + 1) * sizeof (char *));
- for (i = 0; i < num_flavor_options; i++)
+ valid_disassembly_styles
+ = xmalloc ((num_disassembly_options + 1) * sizeof (char *));
+ for (i = 0; i < num_disassembly_options; i++)
{
numregs = get_arm_regnames (i, &setname, &setdesc, ®names);
- valid_flavors[i] = setname;
+ valid_disassembly_styles[i] = setname;
fprintf_unfiltered (stb, "%s - %s\n", setname,
setdesc);
/* Copy the default names (if found) and synchronize disassembler. */
if (!strcmp (setname, "std"))
{
- disassembly_flavor = setname;
+ disassembly_style = setname;
current_option = i;
for (j = 0; j < numregs; j++)
arm_register_names[j] = (char *) regnames[j];
}
}
/* Mark the end of valid options. */
- valid_flavors[num_flavor_options] = NULL;
+ valid_disassembly_styles[num_disassembly_options] = NULL;
/* Finish the creation of the help text. */
fprintf_unfiltered (stb, "The default is \"std\".");
helptext = ui_file_xstrdup (stb, &length);
ui_file_delete (stb);
- /* Add the disassembly-flavor command. */
- new_cmd = add_set_enum_cmd ("disassembly-flavor", no_class,
- valid_flavors,
- &disassembly_flavor,
+ /* Add the deprecated disassembly-flavor command. */
+ new_set = add_set_enum_cmd ("disassembly-flavor", no_class,
+ valid_disassembly_styles,
+ &disassembly_style,
helptext,
&setlist);
- set_cmd_sfunc (new_cmd, set_disassembly_flavor_sfunc);
- add_show_from_set (new_cmd, &showlist);
-
- /* ??? Maybe this should be a boolean. */
- add_show_from_set (add_set_cmd ("apcs32", no_class,
- var_zinteger, (char *) &arm_apcs_32,
- "Set usage of ARM 32-bit mode.\n", &setlist),
- &showlist);
+ set_cmd_sfunc (new_set, set_disassembly_style_sfunc);
+ deprecate_cmd (new_set, "set arm disassembly");
+ deprecate_cmd (add_show_from_set (new_set, &showlist),
+ "show arm disassembly");
+
+ /* And now add the new interface. */
+ new_set = add_set_enum_cmd ("disassembler", no_class,
+ valid_disassembly_styles, &disassembly_style,
+ helptext, &setarmcmdlist);
+
+ set_cmd_sfunc (new_set, set_disassembly_style_sfunc);
+ add_show_from_set (new_set, &showarmcmdlist);
+
+ add_setshow_cmd_full ("apcs32", no_class,
+ var_boolean, (char *) &arm_apcs_32,
+ "Set usage of ARM 32-bit mode.",
+ "Show usage of ARM 32-bit mode.",
+ NULL, NULL,
+ &setlist, &showlist, &new_set, &new_show);
+ deprecate_cmd (new_set, "set arm apcs32");
+ deprecate_cmd (new_show, "show arm apcs32");
+
+ add_setshow_boolean_cmd ("apcs32", no_class, &arm_apcs_32,
+ "Set usage of ARM 32-bit mode. "
+ "When off, a 26-bit PC will be used.",
+ "Show usage of ARM 32-bit mode. "
+ "When off, a 26-bit PC will be used.",
+ NULL, NULL,
+ &setarmcmdlist, &showarmcmdlist);
+
+ /* Add a command to allow the user to force the FPU model. */
+ new_set = add_set_enum_cmd
+ ("fpu", no_class, fp_model_strings, ¤t_fp_model,
+ "Set the floating point type.\n"
+ "auto - Determine the FP typefrom the OS-ABI.\n"
+ "softfpa - Software FP, mixed-endian doubles on little-endian ARMs.\n"
+ "fpa - FPA co-processor (GCC compiled).\n"
+ "softvfp - Software FP with pure-endian doubles.\n"
+ "vfp - VFP co-processor.",
+ &setarmcmdlist);
+ set_cmd_sfunc (new_set, set_fp_model_sfunc);
+ set_cmd_sfunc (add_show_from_set (new_set, &showarmcmdlist), show_fp_model);
/* Add the deprecated "othernames" command. */
-
- add_com ("othernames", class_obscure, arm_othernames,
- "Switch to the next set of register names.");
-
- /* Allocate the prologue_cache. */
- prologue_cache = deprecated_frame_xmalloc ();
- deprecated_set_frame_extra_info_hack (prologue_cache, xcalloc (1, sizeof (struct frame_extra_info)));
+ deprecate_cmd (add_com ("othernames", class_obscure, arm_othernames,
+ "Switch to the next set of register names."),
+ "set arm disassembly");
/* Debugging flag. */
- add_show_from_set (add_set_cmd ("arm", class_maintenance, var_zinteger,
- &arm_debug, "Set arm debugging.\n\
-When non-zero, arm specific debugging is enabled.", &setdebuglist),
- &showdebuglist);
+ add_setshow_boolean_cmd ("arm", class_maintenance, &arm_debug,
+ "Set ARM debugging. "
+ "When on, arm-specific debugging is enabled.",
+ "Show ARM debugging. "
+ "When on, arm-specific debugging is enabled.",
+ NULL, NULL,
+ &setdebuglist, &showdebuglist);
}
projects / deliverable / binutils-gdb.git / blobdiff