/* Target-dependent code for the MIPS architecture, for GDB, the GNU Debugger.
Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU
and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin.
#include "defs.h"
#include "gdb_string.h"
+#include "gdb_assert.h"
#include "frame.h"
#include "inferior.h"
#include "symtab.h"
#include "arch-utils.h"
#include "regcache.h"
#include "osabi.h"
+#include "mips-tdep.h"
+#include "block.h"
#include "opcode/mips.h"
#include "elf/mips.h"
MIPS_FPU_DOUBLE_REGSIZE = 8
};
-/* All the possible MIPS ABIs. */
-
-enum mips_abi
- {
- MIPS_ABI_UNKNOWN = 0,
- MIPS_ABI_N32,
- MIPS_ABI_O32,
- MIPS_ABI_N64,
- MIPS_ABI_O64,
- MIPS_ABI_EABI32,
- MIPS_ABI_EABI64,
- MIPS_ABI_LAST
- };
static const char *mips_abi_string;
int mips_default_stack_argsize;
int gdb_target_is_mips64;
int default_mask_address_p;
-
- enum gdb_osabi osabi;
};
#define MIPS_EABI (gdbarch_tdep (current_gdbarch)->mips_abi == MIPS_ABI_EABI32 \
#define MIPS_SAVED_REGSIZE (mips_saved_regsize())
+/* Return the contents of register REGNUM as a signed integer. */
+
+static LONGEST
+read_signed_register (int regnum)
+{
+ void *buf = alloca (REGISTER_RAW_SIZE (regnum));
+ deprecated_read_register_gen (regnum, buf);
+ return (extract_signed_integer (buf, REGISTER_RAW_SIZE (regnum)));
+}
+
+static LONGEST
+read_signed_register_pid (int regnum, ptid_t ptid)
+{
+ ptid_t save_ptid;
+ LONGEST retval;
+
+ if (ptid_equal (ptid, inferior_ptid))
+ return read_signed_register (regnum);
+
+ save_ptid = inferior_ptid;
+
+ inferior_ptid = ptid;
+
+ retval = read_signed_register (regnum);
+
+ inferior_ptid = save_ptid;
+
+ return retval;
+}
+
+/* Return the MIPS ABI associated with GDBARCH. */
+enum mips_abi
+mips_abi (struct gdbarch *gdbarch)
+{
+ return gdbarch_tdep (gdbarch)->mips_abi;
+}
+
static unsigned int
mips_saved_regsize (void)
{
enum bfd_endian endian, bfd_byte *in, const bfd_byte *out,
int buf_offset)
{
- bfd_byte *reg = alloca (MAX_REGISTER_RAW_SIZE);
+ bfd_byte reg[MAX_REGISTER_SIZE];
int reg_offset = 0;
/* Need to transfer the left or right part of the register, based on
the targets byte order. */
static void mips_print_register (int, int);
-static mips_extra_func_info_t
-heuristic_proc_desc (CORE_ADDR, CORE_ADDR, struct frame_info *, int);
+static mips_extra_func_info_t heuristic_proc_desc (CORE_ADDR, CORE_ADDR,
+ struct frame_info *, int);
static CORE_ADDR heuristic_proc_start (CORE_ADDR);
static void reinit_frame_cache_sfunc (char *, int, struct cmd_list_element *);
-static mips_extra_func_info_t
-find_proc_desc (CORE_ADDR pc, struct frame_info *next_frame, int cur_frame);
+static mips_extra_func_info_t find_proc_desc (CORE_ADDR pc,
+ struct frame_info *next_frame,
+ int cur_frame);
static CORE_ADDR after_prologue (CORE_ADDR pc,
mips_extra_func_info_t proc_desc);
/* A set of original names, to be used when restoring back to generic
registers from a specific set. */
+static char *mips_generic_reg_names[] = MIPS_REGISTER_NAMES;
-char *mips_generic_reg_names[] = MIPS_REGISTER_NAMES;
-char **mips_processor_reg_names = mips_generic_reg_names;
+/* Integer registers 0 thru 31 are handled explicitly by
+ mips_register_name(). Processor specific registers 32 and above
+ are listed in the sets of register names assigned to
+ mips_processor_reg_names. */
+static char **mips_processor_reg_names = mips_generic_reg_names;
+/* Return the name of the register corresponding to REGNO. */
static const char *
-mips_register_name (int i)
-{
- return mips_processor_reg_names[i];
+mips_register_name (int regno)
+{
+ /* GPR names for all ABIs other than n32/n64. */
+ static char *mips_gpr_names[] = {
+ "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
+ "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
+ "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
+ "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra",
+ };
+
+ /* GPR names for n32 and n64 ABIs. */
+ static char *mips_n32_n64_gpr_names[] = {
+ "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
+ "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
+ "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
+ "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
+ };
+
+ enum mips_abi abi = mips_abi (current_gdbarch);
+
+ /* The MIPS integer registers are always mapped from 0 to 31. The
+ names of the registers (which reflects the conventions regarding
+ register use) vary depending on the ABI. */
+ if (0 <= regno && regno < 32)
+ {
+ if (abi == MIPS_ABI_N32 || abi == MIPS_ABI_N64)
+ return mips_n32_n64_gpr_names[regno];
+ else
+ return mips_gpr_names[regno];
+ }
+ else if (32 <= regno && regno < NUM_REGS)
+ return mips_processor_reg_names[regno - 32];
+ else
+ internal_error (__FILE__, __LINE__,
+ "mips_register_name: bad register number %d", regno);
}
+
/* *INDENT-OFF* */
/* Names of IDT R3041 registers. */
char *mips_r3041_reg_names[] = {
- "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
- "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
- "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
- "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra",
"sr", "lo", "hi", "bad", "cause","pc",
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
/* Names of IDT R3051 registers. */
char *mips_r3051_reg_names[] = {
- "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
- "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
- "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
- "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra",
"sr", "lo", "hi", "bad", "cause","pc",
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
/* Names of IDT R3081 registers. */
char *mips_r3081_reg_names[] = {
- "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
- "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
- "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
- "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra",
"sr", "lo", "hi", "bad", "cause","pc",
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
/* Names of LSI 33k registers. */
char *mips_lsi33k_reg_names[] = {
- "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
- "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
- "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
- "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra",
"epc", "hi", "lo", "sr", "cause","badvaddr",
"dcic", "bpc", "bda", "", "", "", "", "",
"", "", "", "", "", "", "", "",
mips_print_extra_frame_info (struct frame_info *fi)
{
if (fi
- && fi->extra_info
- && fi->extra_info->proc_desc
- && fi->extra_info->proc_desc->pdr.framereg < NUM_REGS)
+ && get_frame_extra_info (fi)
+ && get_frame_extra_info (fi)->proc_desc
+ && get_frame_extra_info (fi)->proc_desc->pdr.framereg < NUM_REGS)
printf_filtered (" frame pointer is at %s+%s\n",
- REGISTER_NAME (fi->extra_info->proc_desc->pdr.framereg),
- paddr_d (fi->extra_info->proc_desc->pdr.frameoffset));
+ REGISTER_NAME (get_frame_extra_info (fi)->proc_desc->pdr.framereg),
+ paddr_d (get_frame_extra_info (fi)->proc_desc->pdr.frameoffset));
}
/* Number of bytes of storage in the actual machine representation for
Note: kevinb/2002-08-01: The definition below should faithfully
reproduce the behavior of each of the REGISTER_VIRTUAL_TYPE
- definitions found in config/mips/tm-*.h. I'm concerned about
- the ``FCRCS_REGNUM <= reg && reg <= LAST_EMBED_REGNUM'' clause
- though. In some cases FP_REGNUM is in this range, and I doubt
+ definitions found in config/mips/tm-*.h. I'm concerned about the
+ ``FCRCS_REGNUM <= reg && reg <= LAST_EMBED_REGNUM'' clause though.
+ In some cases DEPRECATED_FP_REGNUM is in this range, and I doubt
that this code is correct for the 64-bit case. */
static struct type *
static CORE_ADDR
mips_read_sp (void)
{
- return ADDR_BITS_REMOVE (read_register (SP_REGNUM));
+ return read_signed_register (SP_REGNUM);
}
/* Should the upper word of 64-bit addresses be zeroed? */
/* FIXME! Is this correct?? */
#define SIGFRAME_REG_SIZE MIPS_REGSIZE
#endif
- if (fci->signal_handler_caller)
+ if ((get_frame_type (fci) == SIGTRAMP_FRAME))
{
for (ireg = 0; ireg < MIPS_NUMREGS; ireg++)
{
- reg_position = fci->frame + SIGFRAME_REGSAVE_OFF
+ reg_position = get_frame_base (fci) + SIGFRAME_REGSAVE_OFF
+ ireg * SIGFRAME_REG_SIZE;
- fci->saved_regs[ireg] = reg_position;
+ get_frame_saved_regs (fci)[ireg] = reg_position;
}
for (ireg = 0; ireg < MIPS_NUMREGS; ireg++)
{
- reg_position = fci->frame + SIGFRAME_FPREGSAVE_OFF
+ reg_position = get_frame_base (fci) + SIGFRAME_FPREGSAVE_OFF
+ ireg * SIGFRAME_REG_SIZE;
- fci->saved_regs[FP0_REGNUM + ireg] = reg_position;
+ get_frame_saved_regs (fci)[FP0_REGNUM + ireg] = reg_position;
}
- fci->saved_regs[PC_REGNUM] = fci->frame + SIGFRAME_PC_OFF;
+ get_frame_saved_regs (fci)[PC_REGNUM] = get_frame_base (fci) + SIGFRAME_PC_OFF;
return;
}
- proc_desc = fci->extra_info->proc_desc;
+ proc_desc = get_frame_extra_info (fci)->proc_desc;
if (proc_desc == NULL)
/* I'm not sure how/whether this can happen. Normally when we can't
find a proc_desc, we "synthesize" one using heuristic_proc_desc
a signal, we assume that all registers have been saved.
This assumes that all register saves in a function happen before
the first function call. */
- (fci->next == NULL || fci->next->signal_handler_caller)
+ (get_next_frame (fci) == NULL
+ || (get_frame_type (get_next_frame (fci)) == SIGTRAMP_FRAME))
/* In a dummy frame we know exactly where things are saved. */
&& !PROC_DESC_IS_DUMMY (proc_desc)
/* Don't bother unless we are inside a function prologue. Outside the
prologue, we know where everything is. */
- && in_prologue (fci->pc, PROC_LOW_ADDR (proc_desc))
+ && in_prologue (get_frame_pc (fci), PROC_LOW_ADDR (proc_desc))
/* Not sure exactly what kernel_trap means, but if it means
the kernel saves the registers without a prologue doing it,
/* Scan through this function's instructions preceding the current
PC, and look for those that save registers. */
- while (addr < fci->pc)
+ while (addr < get_frame_pc (fci))
{
inst = mips_fetch_instruction (addr);
if (pc_is_mips16 (addr))
/* Fill in the offsets for the registers which gen_mask says
were saved. */
- reg_position = fci->frame + PROC_REG_OFFSET (proc_desc);
+ reg_position = get_frame_base (fci) + PROC_REG_OFFSET (proc_desc);
for (ireg = MIPS_NUMREGS - 1; gen_mask; --ireg, gen_mask <<= 1)
if (gen_mask & 0x80000000)
{
- fci->saved_regs[ireg] = reg_position;
+ get_frame_saved_regs (fci)[ireg] = reg_position;
reg_position -= MIPS_SAVED_REGSIZE;
}
int sreg_count = (inst >> 6) & 3;
/* Check if the ra register was pushed on the stack. */
- reg_position = fci->frame + PROC_REG_OFFSET (proc_desc);
+ reg_position = get_frame_base (fci) + PROC_REG_OFFSET (proc_desc);
if (inst & 0x20)
reg_position -= MIPS_SAVED_REGSIZE;
/* Check if the s0 and s1 registers were pushed on the stack. */
for (reg = 16; reg < sreg_count + 16; reg++)
{
- fci->saved_regs[reg] = reg_position;
+ get_frame_saved_regs (fci)[reg] = reg_position;
reg_position -= MIPS_SAVED_REGSIZE;
}
}
/* Fill in the offsets for the registers which float_mask says
were saved. */
- reg_position = fci->frame + PROC_FREG_OFFSET (proc_desc);
+ reg_position = get_frame_base (fci) + PROC_FREG_OFFSET (proc_desc);
/* Apparently, the freg_offset gives the offset to the first 64 bit
saved.
for (ireg = MIPS_NUMREGS - 1; float_mask; --ireg, float_mask <<= 1)
if (float_mask & 0x80000000)
{
- fci->saved_regs[FP0_REGNUM + ireg] = reg_position;
+ get_frame_saved_regs (fci)[FP0_REGNUM + ireg] = reg_position;
reg_position -= MIPS_SAVED_REGSIZE;
}
- fci->saved_regs[PC_REGNUM] = fci->saved_regs[RA_REGNUM];
+ get_frame_saved_regs (fci)[PC_REGNUM] = get_frame_saved_regs (fci)[RA_REGNUM];
}
/* Set up the 'saved_regs' array. This is a data structure containing
static void
mips_frame_init_saved_regs (struct frame_info *frame)
{
- if (frame->saved_regs == NULL)
+ if (get_frame_saved_regs (frame) == NULL)
{
mips_find_saved_regs (frame);
}
- frame->saved_regs[SP_REGNUM] = frame->frame;
+ get_frame_saved_regs (frame)[SP_REGNUM] = get_frame_base (frame);
}
static CORE_ADDR
CORE_ADDR addr;
int realnum;
enum lval_type lval;
- void *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
- frame_register_unwind (fi, regno, &optimized, &lval, &addr, &realnum,
- raw_buffer);
- /* FIXME: cagney/2002-09-13: This is just soooo bad. The MIPS
- should have a pseudo register range that correspons to the ABI's,
- rather than the ISA's, view of registers. These registers would
- then implicitly describe their size and hence could be used
- without the below munging. */
- if (lval == lval_memory)
+ char raw_buffer[MAX_REGISTER_SIZE];
+
+ if (fi == NULL)
+ {
+ regcache_cooked_read (current_regcache, regno, raw_buffer);
+ }
+ else
{
- if (regno < 32)
+ frame_register_unwind (fi, regno, &optimized, &lval, &addr, &realnum,
+ raw_buffer);
+ /* FIXME: cagney/2002-09-13: This is just soooo bad. The MIPS
+ should have a pseudo register range that correspons to the ABI's,
+ rather than the ISA's, view of registers. These registers would
+ then implicitly describe their size and hence could be used
+ without the below munging. */
+ if (lval == lval_memory)
{
- /* Only MIPS_SAVED_REGSIZE bytes of GP registers are
- saved. */
- return read_memory_integer (addr, MIPS_SAVED_REGSIZE);
+ if (regno < 32)
+ {
+ /* Only MIPS_SAVED_REGSIZE bytes of GP registers are
+ saved. */
+ return read_memory_integer (addr, MIPS_SAVED_REGSIZE);
+ }
}
}
target_remove_breakpoint (next_pc, break_mem);
}
-static void
+static CORE_ADDR
mips_init_frame_pc_first (int fromleaf, struct frame_info *prev)
{
CORE_ADDR pc, tmp;
- pc = ((fromleaf) ? SAVED_PC_AFTER_CALL (prev->next) :
- prev->next ? FRAME_SAVED_PC (prev->next) : read_pc ());
+ pc = ((fromleaf)
+ ? DEPRECATED_SAVED_PC_AFTER_CALL (get_next_frame (prev))
+ : get_next_frame (prev)
+ ? DEPRECATED_FRAME_SAVED_PC (get_next_frame (prev))
+ : read_pc ());
tmp = SKIP_TRAMPOLINE_CODE (pc);
- prev->pc = tmp ? tmp : pc;
+ return tmp ? tmp : pc;
}
mips_frame_saved_pc (struct frame_info *frame)
{
CORE_ADDR saved_pc;
- mips_extra_func_info_t proc_desc = frame->extra_info->proc_desc;
+ mips_extra_func_info_t proc_desc = get_frame_extra_info (frame)->proc_desc;
/* We have to get the saved pc from the sigcontext
if it is a signal handler frame. */
- int pcreg = frame->signal_handler_caller ? PC_REGNUM
+ int pcreg = (get_frame_type (frame) == SIGTRAMP_FRAME) ? PC_REGNUM
: (proc_desc ? PROC_PC_REG (proc_desc) : RA_REGNUM);
- if (proc_desc && PROC_DESC_IS_DUMMY (proc_desc))
- saved_pc = read_memory_integer (frame->frame - MIPS_SAVED_REGSIZE, MIPS_SAVED_REGSIZE);
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame), 0, 0))
+ {
+ LONGEST tmp;
+ frame_unwind_signed_register (frame, PC_REGNUM, &tmp);
+ saved_pc = tmp;
+ }
+ else if (proc_desc && PROC_DESC_IS_DUMMY (proc_desc))
+ saved_pc = read_memory_integer (get_frame_base (frame) - MIPS_SAVED_REGSIZE, MIPS_SAVED_REGSIZE);
else
saved_pc = read_next_frame_reg (frame, pcreg);
}
static struct mips_extra_func_info temp_proc_desc;
-static CORE_ADDR temp_saved_regs[NUM_REGS];
+
+/* This hack will go away once the get_prev_frame() code has been
+ modified to set the frame's type first. That is BEFORE init extra
+ frame info et.al. is called. This is because it will become
+ possible to skip the init extra info call for sigtramp and dummy
+ frames. */
+static CORE_ADDR *temp_saved_regs;
/* Set a register's saved stack address in temp_saved_regs. If an address
has already been set for this register, do nothing; this way we will
if (start_pc < fence)
{
/* It's not clear to me why we reach this point when
- stop_soon_quietly, but with this test, at least we
+ stop_soon, but with this test, at least we
don't print out warnings for every child forked (eg, on
decstation). 22apr93 rich@cygnus.com. */
- if (!stop_soon_quietly)
+ if (stop_soon == NO_STOP_QUIETLY)
{
static int blurb_printed = 0;
CORE_ADDR cur_pc;
CORE_ADDR frame_addr = 0; /* Value of $r30. Used by gcc for frame-pointer */
restart:
+ temp_saved_regs = xrealloc (temp_saved_regs, SIZEOF_FRAME_SAVED_REGS);
memset (temp_saved_regs, '\0', SIZEOF_FRAME_SAVED_REGS);
PROC_FRAME_OFFSET (&temp_proc_desc) = 0;
PROC_FRAME_ADJUST (&temp_proc_desc) = 0; /* offset of FP from SP */
if (start_pc == 0)
return NULL;
memset (&temp_proc_desc, '\0', sizeof (temp_proc_desc));
- memset (&temp_saved_regs, '\0', SIZEOF_FRAME_SAVED_REGS);
+ temp_saved_regs = xrealloc (temp_saved_regs, SIZEOF_FRAME_SAVED_REGS);
+ memset (temp_saved_regs, '\0', SIZEOF_FRAME_SAVED_REGS);
PROC_LOW_ADDR (&temp_proc_desc) = start_pc;
PROC_FRAME_REG (&temp_proc_desc) = SP_REGNUM;
PROC_PC_REG (&temp_proc_desc) = RA_REGNUM;
struct obj_section *sec;
struct mips_objfile_private *priv;
- if (PC_IN_CALL_DUMMY (pc, 0, 0))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (pc, 0, 0))
return NULL;
find_pc_partial_function (pc, NULL, &startaddr, NULL);
return NULL;
}
- sym = lookup_symbol (MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, 0, NULL);
+ sym = lookup_symbol (MIPS_EFI_SYMBOL_NAME, b, LABEL_DOMAIN, 0, NULL);
/* If we never found a PDR for this function in symbol reading, then
examine prologues to find the information. */
find_proc_desc (CORE_ADDR pc, struct frame_info *next_frame, int cur_frame)
{
mips_extra_func_info_t proc_desc;
- CORE_ADDR startaddr;
+ CORE_ADDR startaddr = 0;
proc_desc = non_heuristic_proc_desc (pc, &startaddr);
get_frame_pointer (struct frame_info *frame,
mips_extra_func_info_t proc_desc)
{
- return ADDR_BITS_REMOVE (read_next_frame_reg (frame,
- PROC_FRAME_REG (proc_desc)) +
- PROC_FRAME_OFFSET (proc_desc) -
- PROC_FRAME_ADJUST (proc_desc));
+ return (read_next_frame_reg (frame, PROC_FRAME_REG (proc_desc))
+ + PROC_FRAME_OFFSET (proc_desc)
+ - PROC_FRAME_ADJUST (proc_desc));
}
static mips_extra_func_info_t cached_proc_desc;
{
mips_extra_func_info_t proc_desc;
CORE_ADDR tmp;
- CORE_ADDR saved_pc = FRAME_SAVED_PC (frame);
+ CORE_ADDR saved_pc = DEPRECATED_FRAME_SAVED_PC (frame);
if (saved_pc == 0 || inside_entry_file (saved_pc))
return 0;
if ((tmp = SKIP_TRAMPOLINE_CODE (saved_pc)) != 0)
saved_pc = tmp;
+ if (DEPRECATED_PC_IN_CALL_DUMMY (saved_pc, 0, 0))
+ {
+ /* A dummy frame, uses SP not FP. Get the old SP value. If all
+ is well, frame->frame the bottom of the current frame will
+ contain that value. */
+ return get_frame_base (frame);
+ }
+
/* Look up the procedure descriptor for this PC. */
proc_desc = find_proc_desc (saved_pc, frame, 1);
if (!proc_desc)
&& PROC_FRAME_OFFSET (proc_desc) == 0
/* The previous frame from a sigtramp frame might be frameless
and have frame size zero. */
- && !frame->signal_handler_caller
- /* Check if this is a call dummy frame. */
- && frame->pc != CALL_DUMMY_ADDRESS ())
+ && !(get_frame_type (frame) == SIGTRAMP_FRAME)
+ /* For a generic dummy frame, let get_frame_pointer() unwind a
+ register value saved as part of the dummy frame call. */
+ && !(DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame), 0, 0)))
return 0;
else
return get_frame_pointer (frame, proc_desc);
mips_init_extra_frame_info (int fromleaf, struct frame_info *fci)
{
int regnum;
+ mips_extra_func_info_t proc_desc;
- /* Use proc_desc calculated in frame_chain */
- mips_extra_func_info_t proc_desc =
- fci->next ? cached_proc_desc : find_proc_desc (fci->pc, fci->next, 1);
-
- fci->extra_info = (struct frame_extra_info *)
- frame_obstack_alloc (sizeof (struct frame_extra_info));
+ if (get_frame_type (fci) == DUMMY_FRAME)
+ return;
- fci->saved_regs = NULL;
- fci->extra_info->proc_desc =
+ /* Use proc_desc calculated in frame_chain. When there is no
+ next frame, i.e, get_next_frame (fci) == NULL, we call
+ find_proc_desc () to calculate it, passing an explicit
+ NULL as the frame parameter. */
+ proc_desc =
+ get_next_frame (fci)
+ ? cached_proc_desc
+ : find_proc_desc (get_frame_pc (fci),
+ NULL /* i.e, get_next_frame (fci) */,
+ 1);
+
+ frame_extra_info_zalloc (fci, sizeof (struct frame_extra_info));
+
+ deprecated_set_frame_saved_regs_hack (fci, NULL);
+ get_frame_extra_info (fci)->proc_desc =
proc_desc == &temp_proc_desc ? 0 : proc_desc;
if (proc_desc)
{
/* This may not be quite right, if proc has a real frame register.
Get the value of the frame relative sp, procedure might have been
interrupted by a signal at it's very start. */
- if (fci->pc == PROC_LOW_ADDR (proc_desc)
+ if (get_frame_pc (fci) == PROC_LOW_ADDR (proc_desc)
&& !PROC_DESC_IS_DUMMY (proc_desc))
- fci->frame = read_next_frame_reg (fci->next, SP_REGNUM);
+ deprecated_update_frame_base_hack (fci, read_next_frame_reg (get_next_frame (fci), SP_REGNUM));
+ else if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fci), 0, 0))
+ /* Do not ``fix'' fci->frame. It will have the value of the
+ generic dummy frame's top-of-stack (since the draft
+ fci->frame is obtained by returning the unwound stack
+ pointer) and that is what we want. That way the fci->frame
+ value will match the top-of-stack value that was saved as
+ part of the dummy frames data. */
+ /* Do nothing. */;
else
- fci->frame = get_frame_pointer (fci->next, proc_desc);
+ deprecated_update_frame_base_hack (fci, get_frame_pointer (get_next_frame (fci), proc_desc));
if (proc_desc == &temp_proc_desc)
{
char *name;
/* Do not set the saved registers for a sigtramp frame,
- mips_find_saved_registers will do that for us.
- We can't use fci->signal_handler_caller, it is not yet set. */
- find_pc_partial_function (fci->pc, &name,
+ mips_find_saved_registers will do that for us. We can't
+ use (get_frame_type (fci) == SIGTRAMP_FRAME), it is not
+ yet set. */
+ /* FIXME: cagney/2002-11-18: This problem will go away once
+ frame.c:get_prev_frame() is modified to set the frame's
+ type before calling functions like this. */
+ find_pc_partial_function (get_frame_pc (fci), &name,
(CORE_ADDR *) NULL, (CORE_ADDR *) NULL);
- if (!PC_IN_SIGTRAMP (fci->pc, name))
+ if (!PC_IN_SIGTRAMP (get_frame_pc (fci), name))
{
frame_saved_regs_zalloc (fci);
- memcpy (fci->saved_regs, temp_saved_regs, SIZEOF_FRAME_SAVED_REGS);
- fci->saved_regs[PC_REGNUM]
- = fci->saved_regs[RA_REGNUM];
+ memcpy (get_frame_saved_regs (fci), temp_saved_regs, SIZEOF_FRAME_SAVED_REGS);
+ get_frame_saved_regs (fci)[PC_REGNUM]
+ = get_frame_saved_regs (fci)[RA_REGNUM];
/* Set value of previous frame's stack pointer. Remember that
saved_regs[SP_REGNUM] is special in that it contains the
value of the stack pointer register. The other saved_regs
values are addresses (in the inferior) at which a given
register's value may be found. */
- fci->saved_regs[SP_REGNUM] = fci->frame;
+ get_frame_saved_regs (fci)[SP_REGNUM] = get_frame_base (fci);
}
}
/* hack: if argument regs are saved, guess these contain args */
/* assume we can't tell how many args for now */
- fci->extra_info->num_args = -1;
+ get_frame_extra_info (fci)->num_args = -1;
for (regnum = MIPS_LAST_ARG_REGNUM; regnum >= A0_REGNUM; regnum--)
{
if (PROC_REG_MASK (proc_desc) & (1 << regnum))
{
- fci->extra_info->num_args = regnum - A0_REGNUM + 1;
+ get_frame_extra_info (fci)->num_args = regnum - A0_REGNUM + 1;
break;
}
}
for (argnum = 0; argnum < nargs; argnum++)
{
char *val;
- char *valbuf = alloca (MAX_REGISTER_RAW_SIZE);
+ char valbuf[MAX_REGISTER_SIZE];
struct value *arg = args[argnum];
struct type *arg_type = check_typedef (VALUE_TYPE (arg));
int len = TYPE_LENGTH (arg_type);
if (len > MIPS_SAVED_REGSIZE
&& (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION))
{
- store_address (valbuf, MIPS_SAVED_REGSIZE, VALUE_ADDRESS (arg));
+ store_unsigned_integer (valbuf, MIPS_SAVED_REGSIZE, VALUE_ADDRESS (arg));
typecode = TYPE_CODE_PTR;
len = MIPS_SAVED_REGSIZE;
val = valbuf;
for (argnum = 0; argnum < nargs; argnum++)
{
char *val;
- char *valbuf = alloca (MAX_REGISTER_RAW_SIZE);
+ char valbuf[MAX_REGISTER_SIZE];
struct value *arg = args[argnum];
struct type *arg_type = check_typedef (VALUE_TYPE (arg));
int len = TYPE_LENGTH (arg_type);
for (argnum = 0; argnum < nargs; argnum++)
{
char *val;
- char *valbuf = alloca (MAX_REGISTER_RAW_SIZE);
+ char valbuf[MAX_REGISTER_SIZE];
struct value *arg = args[argnum];
struct type *arg_type = check_typedef (VALUE_TYPE (arg));
int len = TYPE_LENGTH (arg_type);
for (argnum = 0; argnum < nargs; argnum++)
{
char *val;
- char *valbuf = alloca (MAX_REGISTER_RAW_SIZE);
+ char valbuf[MAX_REGISTER_SIZE];
struct value *arg = args[argnum];
struct type *arg_type = check_typedef (VALUE_TYPE (arg));
int len = TYPE_LENGTH (arg_type);
return sp;
}
-static void
-mips_push_register (CORE_ADDR * sp, int regno)
-{
- char *buffer = alloca (MAX_REGISTER_RAW_SIZE);
- int regsize;
- int offset;
- if (MIPS_SAVED_REGSIZE < REGISTER_RAW_SIZE (regno))
- {
- regsize = MIPS_SAVED_REGSIZE;
- offset = (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG
- ? REGISTER_RAW_SIZE (regno) - MIPS_SAVED_REGSIZE
- : 0);
- }
- else
- {
- regsize = REGISTER_RAW_SIZE (regno);
- offset = 0;
- }
- *sp -= regsize;
- read_register_gen (regno, buffer);
- write_memory (*sp, buffer + offset, regsize);
-}
-
-/* MASK(i,j) == (1<<i) + (1<<(i+1)) + ... + (1<<j)). Assume i<=j<(MIPS_NUMREGS-1). */
-#define MASK(i,j) (((1 << ((j)+1))-1) ^ ((1 << (i))-1))
-
-static void
-mips_push_dummy_frame (void)
-{
- int ireg;
- struct linked_proc_info *link = (struct linked_proc_info *)
- xmalloc (sizeof (struct linked_proc_info));
- mips_extra_func_info_t proc_desc = &link->info;
- CORE_ADDR sp = ADDR_BITS_REMOVE (read_signed_register (SP_REGNUM));
- CORE_ADDR old_sp = sp;
- link->next = linked_proc_desc_table;
- linked_proc_desc_table = link;
-
-/* FIXME! are these correct ? */
-#define PUSH_FP_REGNUM 16 /* must be a register preserved across calls */
-#define GEN_REG_SAVE_MASK MASK(1,16)|MASK(24,28)|(1<<(MIPS_NUMREGS-1))
-#define FLOAT_REG_SAVE_MASK MASK(0,19)
-#define FLOAT_SINGLE_REG_SAVE_MASK \
- ((1<<18)|(1<<16)|(1<<14)|(1<<12)|(1<<10)|(1<<8)|(1<<6)|(1<<4)|(1<<2)|(1<<0))
- /*
- * The registers we must save are all those not preserved across
- * procedure calls. Dest_Reg (see tm-mips.h) must also be saved.
- * In addition, we must save the PC, PUSH_FP_REGNUM, MMLO/-HI
- * and FP Control/Status registers.
- *
- *
- * Dummy frame layout:
- * (high memory)
- * Saved PC
- * Saved MMHI, MMLO, FPC_CSR
- * Saved R31
- * Saved R28
- * ...
- * Saved R1
- * Saved D18 (i.e. F19, F18)
- * ...
- * Saved D0 (i.e. F1, F0)
- * Argument build area and stack arguments written via mips_push_arguments
- * (low memory)
- */
-
- /* Save special registers (PC, MMHI, MMLO, FPC_CSR) */
- PROC_FRAME_REG (proc_desc) = PUSH_FP_REGNUM;
- PROC_FRAME_OFFSET (proc_desc) = 0;
- PROC_FRAME_ADJUST (proc_desc) = 0;
- mips_push_register (&sp, PC_REGNUM);
- mips_push_register (&sp, HI_REGNUM);
- mips_push_register (&sp, LO_REGNUM);
- mips_push_register (&sp, MIPS_FPU_TYPE == MIPS_FPU_NONE ? 0 : FCRCS_REGNUM);
-
- /* Save general CPU registers */
- PROC_REG_MASK (proc_desc) = GEN_REG_SAVE_MASK;
- /* PROC_REG_OFFSET is the offset of the first saved register from FP. */
- PROC_REG_OFFSET (proc_desc) = sp - old_sp - MIPS_SAVED_REGSIZE;
- for (ireg = 32; --ireg >= 0;)
- if (PROC_REG_MASK (proc_desc) & (1 << ireg))
- mips_push_register (&sp, ireg);
-
- /* Save floating point registers starting with high order word */
- PROC_FREG_MASK (proc_desc) =
- MIPS_FPU_TYPE == MIPS_FPU_DOUBLE ? FLOAT_REG_SAVE_MASK
- : MIPS_FPU_TYPE == MIPS_FPU_SINGLE ? FLOAT_SINGLE_REG_SAVE_MASK : 0;
- /* PROC_FREG_OFFSET is the offset of the first saved *double* register
- from FP. */
- PROC_FREG_OFFSET (proc_desc) = sp - old_sp - 8;
- for (ireg = 32; --ireg >= 0;)
- if (PROC_FREG_MASK (proc_desc) & (1 << ireg))
- mips_push_register (&sp, ireg + FP0_REGNUM);
-
- /* Update the frame pointer for the call dummy and the stack pointer.
- Set the procedure's starting and ending addresses to point to the
- call dummy address at the entry point. */
- write_register (PUSH_FP_REGNUM, old_sp);
- write_register (SP_REGNUM, sp);
- PROC_LOW_ADDR (proc_desc) = CALL_DUMMY_ADDRESS ();
- PROC_HIGH_ADDR (proc_desc) = CALL_DUMMY_ADDRESS () + 4;
- SET_PROC_DESC_IS_DUMMY (proc_desc);
- PROC_PC_REG (proc_desc) = RA_REGNUM;
-}
-
static void
mips_pop_frame (void)
{
register int regnum;
struct frame_info *frame = get_current_frame ();
- CORE_ADDR new_sp = FRAME_FP (frame);
+ CORE_ADDR new_sp = get_frame_base (frame);
+ mips_extra_func_info_t proc_desc;
- mips_extra_func_info_t proc_desc = frame->extra_info->proc_desc;
+ if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame), 0, 0))
+ {
+ generic_pop_dummy_frame ();
+ flush_cached_frames ();
+ return;
+ }
- write_register (PC_REGNUM, FRAME_SAVED_PC (frame));
- if (frame->saved_regs == NULL)
- FRAME_INIT_SAVED_REGS (frame);
+ proc_desc = get_frame_extra_info (frame)->proc_desc;
+ write_register (PC_REGNUM, DEPRECATED_FRAME_SAVED_PC (frame));
+ if (get_frame_saved_regs (frame) == NULL)
+ DEPRECATED_FRAME_INIT_SAVED_REGS (frame);
for (regnum = 0; regnum < NUM_REGS; regnum++)
if (regnum != SP_REGNUM && regnum != PC_REGNUM
- && frame->saved_regs[regnum])
+ && get_frame_saved_regs (frame)[regnum])
{
/* Floating point registers must not be sign extended,
in case MIPS_SAVED_REGSIZE = 4 but sizeof (FP0_REGNUM) == 8. */
if (FP0_REGNUM <= regnum && regnum < FP0_REGNUM + 32)
write_register (regnum,
- read_memory_unsigned_integer (frame->saved_regs[regnum],
+ read_memory_unsigned_integer (get_frame_saved_regs (frame)[regnum],
MIPS_SAVED_REGSIZE));
else
write_register (regnum,
- read_memory_integer (frame->saved_regs[regnum],
+ read_memory_integer (get_frame_saved_regs (frame)[regnum],
MIPS_SAVED_REGSIZE));
}
int raw_size = REGISTER_RAW_SIZE (regno);
char *raw_buffer = alloca (raw_size);
- if (!frame_register_read (selected_frame, regno, raw_buffer))
+ if (!frame_register_read (deprecated_selected_frame, regno, raw_buffer))
error ("can't read register %d (%s)", regno, REGISTER_NAME (regno));
if (raw_size == 8)
{
{
/* We have a 64-bit value for this register, and we should use
all 64 bits. */
- if (!frame_register_read (selected_frame, regno, rare_buffer))
+ if (!frame_register_read (deprecated_selected_frame, regno, rare_buffer))
error ("can't read register %d (%s)", regno, REGISTER_NAME (regno));
}
else
}
static void
-mips_print_register (int regnum, int all)
-{
- char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
-
- /* Get the data in raw format. */
- if (!frame_register_read (selected_frame, regnum, raw_buffer))
- {
- printf_filtered ("%s: [Invalid]", REGISTER_NAME (regnum));
- return;
- }
-
- /* If we have a actual 32-bit floating point register (or we are in
- 32-bit compatibility mode), and the register is even-numbered,
- also print it as a double (spanning two registers). */
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT
- && (REGISTER_RAW_SIZE (regnum) == 4
- || mips2_fp_compat ())
- && !((regnum - FP0_REGNUM) & 1))
- {
- char *dbuffer = alloca (2 * MAX_REGISTER_RAW_SIZE);
-
- mips_read_fp_register_double (regnum, dbuffer);
-
- printf_filtered ("(d%d: ", regnum - FP0_REGNUM);
- val_print (mips_double_register_type (), dbuffer, 0, 0,
- gdb_stdout, 0, 1, 0, Val_pretty_default);
- printf_filtered ("); ");
- }
- fputs_filtered (REGISTER_NAME (regnum), gdb_stdout);
-
- /* The problem with printing numeric register names (r26, etc.) is that
- the user can't use them on input. Probably the best solution is to
- fix it so that either the numeric or the funky (a2, etc.) names
- are accepted on input. */
- if (regnum < MIPS_NUMREGS)
- printf_filtered ("(r%d): ", regnum);
- else
- printf_filtered (": ");
-
- /* If virtual format is floating, print it that way. */
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT)
- if (REGISTER_RAW_SIZE (regnum) == 8 && !mips2_fp_compat ())
- {
- /* We have a meaningful 64-bit value in this register. Show
- it as a 32-bit float and a 64-bit double. */
- int offset = 4 * (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG);
-
- printf_filtered (" (float) ");
- val_print (mips_float_register_type (), raw_buffer + offset, 0, 0,
- gdb_stdout, 0, 1, 0, Val_pretty_default);
- printf_filtered (", (double) ");
- val_print (mips_double_register_type (), raw_buffer, 0, 0,
- gdb_stdout, 0, 1, 0, Val_pretty_default);
- }
- else
- val_print (REGISTER_VIRTUAL_TYPE (regnum), raw_buffer, 0, 0,
- gdb_stdout, 0, 1, 0, Val_pretty_default);
- /* Else print as integer in hex. */
- else
- {
- int offset;
-
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
- offset = REGISTER_RAW_SIZE (regnum) - REGISTER_VIRTUAL_SIZE (regnum);
- else
- offset = 0;
-
- print_scalar_formatted (raw_buffer + offset,
- REGISTER_VIRTUAL_TYPE (regnum),
- 'x', 0, gdb_stdout);
- }
-}
-
-/* Replacement for generic do_registers_info.
- Print regs in pretty columns. */
-
-static int
-do_fp_register_row (int regnum)
+mips_print_fp_register (int regnum)
{ /* do values for FP (float) regs */
char *raw_buffer;
double doub, flt1, flt2; /* doubles extracted from raw hex data */
- int inv1, inv2, inv3;
+ int inv1, inv2, namelen;
raw_buffer = (char *) alloca (2 * REGISTER_RAW_SIZE (FP0_REGNUM));
+ printf_filtered ("%s:", REGISTER_NAME (regnum));
+ printf_filtered ("%*s", 4 - (int) strlen (REGISTER_NAME (regnum)), "");
+
if (REGISTER_RAW_SIZE (regnum) == 4 || mips2_fp_compat ())
{
- /* 4-byte registers: we can fit two registers per row. */
- /* Also print every pair of 4-byte regs as an 8-byte double. */
+ /* 4-byte registers: Print hex and floating. Also print even
+ numbered registers as doubles. */
mips_read_fp_register_single (regnum, raw_buffer);
flt1 = unpack_double (mips_float_register_type (), raw_buffer, &inv1);
- mips_read_fp_register_single (regnum + 1, raw_buffer);
- flt2 = unpack_double (mips_float_register_type (), raw_buffer, &inv2);
+ print_scalar_formatted (raw_buffer, builtin_type_uint32, 'x', 'w',
+ gdb_stdout);
- mips_read_fp_register_double (regnum, raw_buffer);
- doub = unpack_double (mips_double_register_type (), raw_buffer, &inv3);
-
- printf_filtered (" %-5s", REGISTER_NAME (regnum));
+ printf_filtered (" flt: ");
if (inv1)
- printf_filtered (": <invalid float>");
+ printf_filtered (" <invalid float> ");
else
printf_filtered ("%-17.9g", flt1);
- printf_filtered (" %-5s", REGISTER_NAME (regnum + 1));
- if (inv2)
- printf_filtered (": <invalid float>");
- else
- printf_filtered ("%-17.9g", flt2);
-
- printf_filtered (" dbl: ");
- if (inv3)
- printf_filtered ("<invalid double>");
- else
- printf_filtered ("%-24.17g", doub);
- printf_filtered ("\n");
+ if (regnum % 2 == 0)
+ {
+ mips_read_fp_register_double (regnum, raw_buffer);
+ doub = unpack_double (mips_double_register_type (), raw_buffer,
+ &inv2);
- /* may want to do hex display here (future enhancement) */
- regnum += 2;
+ printf_filtered (" dbl: ");
+ if (inv2)
+ printf_filtered ("<invalid double>");
+ else
+ printf_filtered ("%-24.17g", doub);
+ }
}
else
{
- /* Eight byte registers: print each one as float AND as double. */
+ /* Eight byte registers: print each one as hex, float and double. */
mips_read_fp_register_single (regnum, raw_buffer);
- flt1 = unpack_double (mips_double_register_type (), raw_buffer, &inv1);
+ flt1 = unpack_double (mips_float_register_type (), raw_buffer, &inv1);
mips_read_fp_register_double (regnum, raw_buffer);
- doub = unpack_double (mips_double_register_type (), raw_buffer, &inv3);
+ doub = unpack_double (mips_double_register_type (), raw_buffer, &inv2);
+
- printf_filtered (" %-5s: ", REGISTER_NAME (regnum));
+ print_scalar_formatted (raw_buffer, builtin_type_uint64, 'x', 'g',
+ gdb_stdout);
+
+ printf_filtered (" flt: ");
if (inv1)
printf_filtered ("<invalid float>");
else
- printf_filtered ("flt: %-17.9g", flt1);
+ printf_filtered ("%-17.9g", flt1);
printf_filtered (" dbl: ");
- if (inv3)
+ if (inv2)
printf_filtered ("<invalid double>");
else
printf_filtered ("%-24.17g", doub);
+ }
+}
- printf_filtered ("\n");
- /* may want to do hex display here (future enhancement) */
- regnum++;
+static void
+mips_print_register (int regnum, int all)
+{
+ char raw_buffer[MAX_REGISTER_SIZE];
+ int offset;
+
+ if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT)
+ {
+ mips_print_fp_register (regnum);
+ return;
}
- return regnum;
+
+ /* Get the data in raw format. */
+ if (!frame_register_read (deprecated_selected_frame, regnum, raw_buffer))
+ {
+ printf_filtered ("%s: [Invalid]", REGISTER_NAME (regnum));
+ return;
+ }
+
+ fputs_filtered (REGISTER_NAME (regnum), gdb_stdout);
+
+ /* The problem with printing numeric register names (r26, etc.) is that
+ the user can't use them on input. Probably the best solution is to
+ fix it so that either the numeric or the funky (a2, etc.) names
+ are accepted on input. */
+ if (regnum < MIPS_NUMREGS)
+ printf_filtered ("(r%d): ", regnum);
+ else
+ printf_filtered (": ");
+
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ offset = REGISTER_RAW_SIZE (regnum) - REGISTER_VIRTUAL_SIZE (regnum);
+ else
+ offset = 0;
+
+ print_scalar_formatted (raw_buffer + offset,
+ REGISTER_VIRTUAL_TYPE (regnum),
+ 'x', 0, gdb_stdout);
+}
+
+/* Replacement for generic do_registers_info.
+ Print regs in pretty columns. */
+
+static int
+do_fp_register_row (int regnum)
+{
+ printf_filtered (" ");
+ mips_print_fp_register (regnum);
+ printf_filtered ("\n");
+ return regnum + 1;
}
+
/* Print a row's worth of GP (int) registers, with name labels above */
static int
do_gp_register_row (int regnum)
{
/* do values for GP (int) regs */
- char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+ char raw_buffer[MAX_REGISTER_SIZE];
int ncols = (MIPS_REGSIZE == 8 ? 4 : 8); /* display cols per row */
int col, byte;
int start_regnum = regnum;
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT)
break; /* end row: reached FP register */
/* OK: get the data in raw format. */
- if (!frame_register_read (selected_frame, regnum, raw_buffer))
+ if (!frame_register_read (deprecated_selected_frame, regnum, raw_buffer))
error ("can't read register %d (%s)", regnum, REGISTER_NAME (regnum));
/* pad small registers */
for (byte = 0; byte < (MIPS_REGSIZE - REGISTER_VIRTUAL_SIZE (regnum)); byte++)
static void
mips_eabi_store_return_value (struct type *valtype, char *valbuf)
{
- char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+ char raw_buffer[MAX_REGISTER_SIZE];
struct return_value_word lo;
struct return_value_word hi;
return_value_location (valtype, &hi, &lo);
memset (raw_buffer, 0, sizeof (raw_buffer));
memcpy (raw_buffer + lo.reg_offset, valbuf + lo.buf_offset, lo.len);
- write_register_bytes (REGISTER_BYTE (lo.reg),
- raw_buffer,
- REGISTER_RAW_SIZE (lo.reg));
+ deprecated_write_register_bytes (REGISTER_BYTE (lo.reg), raw_buffer,
+ REGISTER_RAW_SIZE (lo.reg));
if (hi.len > 0)
{
memset (raw_buffer, 0, sizeof (raw_buffer));
memcpy (raw_buffer + hi.reg_offset, valbuf + hi.buf_offset, hi.len);
- write_register_bytes (REGISTER_BYTE (hi.reg),
- raw_buffer,
- REGISTER_RAW_SIZE (hi.reg));
+ deprecated_write_register_bytes (REGISTER_BYTE (hi.reg), raw_buffer,
+ REGISTER_RAW_SIZE (hi.reg));
}
}
static void
mips_o64_store_return_value (struct type *valtype, char *valbuf)
{
- char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+ char raw_buffer[MAX_REGISTER_SIZE];
struct return_value_word lo;
struct return_value_word hi;
return_value_location (valtype, &hi, &lo);
memset (raw_buffer, 0, sizeof (raw_buffer));
memcpy (raw_buffer + lo.reg_offset, valbuf + lo.buf_offset, lo.len);
- write_register_bytes (REGISTER_BYTE (lo.reg),
- raw_buffer,
- REGISTER_RAW_SIZE (lo.reg));
+ deprecated_write_register_bytes (REGISTER_BYTE (lo.reg), raw_buffer,
+ REGISTER_RAW_SIZE (lo.reg));
if (hi.len > 0)
{
memset (raw_buffer, 0, sizeof (raw_buffer));
memcpy (raw_buffer + hi.reg_offset, valbuf + hi.buf_offset, hi.len);
- write_register_bytes (REGISTER_BYTE (hi.reg),
- raw_buffer,
- REGISTER_RAW_SIZE (hi.reg));
+ deprecated_write_register_bytes (REGISTER_BYTE (hi.reg), raw_buffer,
+ REGISTER_RAW_SIZE (hi.reg));
}
}
/* A struct that contains one or two floats. Each value is part
in the least significant part of their floating point
register.. */
- bfd_byte *reg = alloca (MAX_REGISTER_RAW_SIZE);
+ bfd_byte reg[MAX_REGISTER_SIZE];
int regnum;
int field;
for (field = 0, regnum = FP0_REGNUM;
/* A struct that contains one or two floats. Each value is part
in the least significant part of their floating point
register.. */
- bfd_byte *reg = alloca (MAX_REGISTER_RAW_SIZE);
+ bfd_byte reg[MAX_REGISTER_SIZE];
int regnum;
int field;
for (field = 0, regnum = FP0_REGNUM;
return print_insn_little_mips (memaddr, info);
}
-/* Old-style breakpoint macros.
- The IDT board uses an unusual breakpoint value, and sometimes gets
- confused when it sees the usual MIPS breakpoint instruction. */
-
-#define BIG_BREAKPOINT {0, 0x5, 0, 0xd}
-#define LITTLE_BREAKPOINT {0xd, 0, 0x5, 0}
-#define PMON_BIG_BREAKPOINT {0, 0, 0, 0xd}
-#define PMON_LITTLE_BREAKPOINT {0xd, 0, 0, 0}
-#define IDT_BIG_BREAKPOINT {0, 0, 0x0a, 0xd}
-#define IDT_LITTLE_BREAKPOINT {0xd, 0x0a, 0, 0}
-#define MIPS16_BIG_BREAKPOINT {0xe8, 0xa5}
-#define MIPS16_LITTLE_BREAKPOINT {0xa5, 0xe8}
-
/* This function implements the BREAKPOINT_FROM_PC macro. It uses the program
counter value to determine whether a 16- or 32-bit breakpoint should be
used. It returns a pointer to a string of bytes that encode a breakpoint
{
if (pc_is_mips16 (*pcptr))
{
- static unsigned char mips16_big_breakpoint[] =
- MIPS16_BIG_BREAKPOINT;
+ static unsigned char mips16_big_breakpoint[] = {0xe8, 0xa5};
*pcptr = UNMAKE_MIPS16_ADDR (*pcptr);
*lenptr = sizeof (mips16_big_breakpoint);
return mips16_big_breakpoint;
}
else
{
- static unsigned char big_breakpoint[] = BIG_BREAKPOINT;
- static unsigned char pmon_big_breakpoint[] = PMON_BIG_BREAKPOINT;
- static unsigned char idt_big_breakpoint[] = IDT_BIG_BREAKPOINT;
+ /* The IDT board uses an unusual breakpoint value, and
+ sometimes gets confused when it sees the usual MIPS
+ breakpoint instruction. */
+ static unsigned char big_breakpoint[] = {0, 0x5, 0, 0xd};
+ static unsigned char pmon_big_breakpoint[] = {0, 0, 0, 0xd};
+ static unsigned char idt_big_breakpoint[] = {0, 0, 0x0a, 0xd};
*lenptr = sizeof (big_breakpoint);
{
if (pc_is_mips16 (*pcptr))
{
- static unsigned char mips16_little_breakpoint[] =
- MIPS16_LITTLE_BREAKPOINT;
+ static unsigned char mips16_little_breakpoint[] = {0xa5, 0xe8};
*pcptr = UNMAKE_MIPS16_ADDR (*pcptr);
*lenptr = sizeof (mips16_little_breakpoint);
return mips16_little_breakpoint;
}
else
{
- static unsigned char little_breakpoint[] = LITTLE_BREAKPOINT;
- static unsigned char pmon_little_breakpoint[] =
- PMON_LITTLE_BREAKPOINT;
- static unsigned char idt_little_breakpoint[] =
- IDT_LITTLE_BREAKPOINT;
+ static unsigned char little_breakpoint[] = {0xd, 0, 0x5, 0};
+ static unsigned char pmon_little_breakpoint[] = {0xd, 0, 0, 0};
+ static unsigned char idt_little_breakpoint[] = {0xd, 0x0a, 0, 0};
*lenptr = sizeof (little_breakpoint);
}
-/* If the current gcc for this target does not produce correct debugging
- information for float parameters, both prototyped and unprototyped, then
- define this macro. This forces gdb to always assume that floats are
- passed as doubles and then converted in the callee.
-
- For the mips chip, it appears that the debug info marks the parameters as
- floats regardless of whether the function is prototyped, but the actual
- values are passed as doubles for the non-prototyped case and floats for
- the prototyped case. Thus we choose to make the non-prototyped case work
- for C and break the prototyped case, since the non-prototyped case is
- probably much more common. (FIXME). */
-
-static int
-mips_coerce_float_to_double (struct type *formal, struct type *actual)
-{
- return current_language->la_language == language_c;
-}
-
/* When debugging a 64 MIPS target running a 32 bit ABI, the size of
the register stored on the stack (32) is different to its real raw
size (64). The below ensures that registers are fetched from the
CORE_ADDR addrx;
enum lval_type lvalx;
int optimizedx;
- int realnum;
if (!target_has_registers)
error ("No registers.");
lvalp = &lvalx;
if (optimizedp == NULL)
optimizedp = &optimizedx;
- frame_register_unwind (get_next_frame (frame), regnum, optimizedp, lvalp,
- addrp, &realnum, raw_buffer);
+ generic_unwind_get_saved_register (raw_buffer, optimizedp, addrp, frame,
+ regnum, lvalp);
/* FIXME: cagney/2002-09-13: This is just so bad. The MIPS should
have a pseudo register range that correspons to the ABI's, rather
than the ISA's, view of registers. These registers would then
/* Only MIPS_SAVED_REGSIZE bytes of GP registers are
saved. */
LONGEST val = read_memory_integer ((*addrp), MIPS_SAVED_REGSIZE);
- store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), val);
+ store_unsigned_integer (raw_buffer, REGISTER_RAW_SIZE (regnum), val);
}
}
}
static int
mips_stab_reg_to_regnum (int num)
{
- if (num < 32)
+ if (num >= 0 && num < 32)
return num;
- else
+ else if (num >= 38 && num < 70)
return num + FP0_REGNUM - 38;
+ else if (num == 70)
+ return HI_REGNUM;
+ else if (num == 71)
+ return LO_REGNUM;
+ else
+ {
+ /* This will hopefully (eventually) provoke a warning. Should
+ we be calling complaint() here? */
+ return NUM_REGS + NUM_PSEUDO_REGS;
+ }
}
-/* Convert a ecoff register number to a gdb REGNUM */
+
+/* Convert a dwarf, dwarf2, or ecoff register number to a gdb REGNUM */
static int
-mips_ecoff_reg_to_regnum (int num)
+mips_dwarf_dwarf2_ecoff_reg_to_regnum (int num)
{
- if (num < 32)
+ if (num >= 0 && num < 32)
return num;
- else
+ else if (num >= 32 && num < 64)
return num + FP0_REGNUM - 32;
+ else if (num == 64)
+ return HI_REGNUM;
+ else if (num == 65)
+ return LO_REGNUM;
+ else
+ {
+ /* This will hopefully (eventually) provoke a warning. Should
+ we be calling complaint() here? */
+ return NUM_REGS + NUM_PSEUDO_REGS;
+ }
}
+
/* Convert an integer into an address. By first converting the value
into a pointer and then extracting it signed, the address is
guarenteed to be correctly sign extended. */
*abip = MIPS_ABI_O32;
else if (strcmp (name, ".mdebug.abiN32") == 0)
*abip = MIPS_ABI_N32;
- else if (strcmp (name, ".mdebug.abiN64") == 0)
+ else if (strcmp (name, ".mdebug.abi64") == 0)
*abip = MIPS_ABI_N64;
else if (strcmp (name, ".mdebug.abiO64") == 0)
*abip = MIPS_ABI_O64;
struct gdbarch_tdep *tdep;
int elf_flags;
enum mips_abi mips_abi, found_abi, wanted_abi;
- enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
/* Reset the disassembly info, in case it was set to something
non-default. */
- tm_print_insn_info.flavour = bfd_target_unknown_flavour;
- tm_print_insn_info.arch = bfd_arch_unknown;
- tm_print_insn_info.mach = 0;
+ deprecated_tm_print_insn_info.flavour = bfd_target_unknown_flavour;
+ deprecated_tm_print_insn_info.arch = bfd_arch_unknown;
+ deprecated_tm_print_insn_info.mach = 0;
elf_flags = 0;
/* First of all, extract the elf_flags, if available. */
if (bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
elf_flags = elf_elfheader (info.abfd)->e_flags;
-
- /* Try to determine the OS ABI of the object we are loading. If
- we end up with `unknown', just leave it that way. */
- osabi = gdbarch_lookup_osabi (info.abfd);
}
/* Check ELF_FLAGS to see if it specifies the ABI being used. */
if (wanted_abi != MIPS_ABI_UNKNOWN)
mips_abi = wanted_abi;
+ /* We have to set deprecated_tm_print_insn_info before looking for a
+ pre-existing architecture, otherwise we may return before we get
+ a chance to set it up. */
+ if (mips_abi == MIPS_ABI_N32 || mips_abi == MIPS_ABI_N64)
+ {
+ /* Set up the disassembler info, so that we get the right
+ register names from libopcodes. */
+ if (mips_abi == MIPS_ABI_N32)
+ deprecated_tm_print_insn_info.disassembler_options = "gpr-names=n32";
+ else
+ deprecated_tm_print_insn_info.disassembler_options = "gpr-names=64";
+ deprecated_tm_print_insn_info.flavour = bfd_target_elf_flavour;
+ deprecated_tm_print_insn_info.arch = bfd_arch_mips;
+ if (info.bfd_arch_info != NULL
+ && info.bfd_arch_info->arch == bfd_arch_mips
+ && info.bfd_arch_info->mach)
+ deprecated_tm_print_insn_info.mach = info.bfd_arch_info->mach;
+ else
+ deprecated_tm_print_insn_info.mach = bfd_mach_mips8000;
+ }
+ else
+ /* This string is not recognized explicitly by the disassembler,
+ but it tells the disassembler to not try to guess the ABI from
+ the bfd elf headers, such that, if the user overrides the ABI
+ of a program linked as NewABI, the disassembly will follow the
+ register naming conventions specified by the user. */
+ deprecated_tm_print_insn_info.disassembler_options = "gpr-names=32";
+
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
continue;
if (gdbarch_tdep (arches->gdbarch)->mips_abi != mips_abi)
continue;
- if (gdbarch_tdep (arches->gdbarch)->osabi == osabi)
- return arches->gdbarch;
+ return arches->gdbarch;
}
/* Need a new architecture. Fill in a target specific vector. */
tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
gdbarch = gdbarch_alloc (&info, tdep);
tdep->elf_flags = elf_flags;
- tdep->osabi = osabi;
/* Initially set everything according to the default ABI/ISA. */
set_gdbarch_short_bit (gdbarch, 16);
set_gdbarch_double_bit (gdbarch, 64);
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_register_raw_size (gdbarch, mips_register_raw_size);
- set_gdbarch_max_register_raw_size (gdbarch, 8);
- set_gdbarch_max_register_virtual_size (gdbarch, 8);
+ set_gdbarch_deprecated_max_register_raw_size (gdbarch, 8);
+ set_gdbarch_deprecated_max_register_virtual_size (gdbarch, 8);
tdep->found_abi = found_abi;
tdep->mips_abi = mips_abi;
set_gdbarch_elf_make_msymbol_special (gdbarch,
mips_elf_make_msymbol_special);
+ if (info.osabi == GDB_OSABI_IRIX)
+ set_gdbarch_num_regs (gdbarch, 71);
+ else
+ set_gdbarch_num_regs (gdbarch, 90);
+
switch (mips_abi)
{
case MIPS_ABI_O32:
- set_gdbarch_push_arguments (gdbarch, mips_o32_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, mips_o32_push_arguments);
set_gdbarch_deprecated_store_return_value (gdbarch, mips_o32_store_return_value);
set_gdbarch_extract_return_value (gdbarch, mips_o32_extract_return_value);
tdep->mips_default_saved_regsize = 4;
mips_o32_use_struct_convention);
break;
case MIPS_ABI_O64:
- set_gdbarch_push_arguments (gdbarch, mips_o64_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, mips_o64_push_arguments);
set_gdbarch_deprecated_store_return_value (gdbarch, mips_o64_store_return_value);
set_gdbarch_deprecated_extract_return_value (gdbarch, mips_o64_extract_return_value);
tdep->mips_default_saved_regsize = 8;
mips_o32_use_struct_convention);
break;
case MIPS_ABI_EABI32:
- set_gdbarch_push_arguments (gdbarch, mips_eabi_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, mips_eabi_push_arguments);
set_gdbarch_deprecated_store_return_value (gdbarch, mips_eabi_store_return_value);
set_gdbarch_deprecated_extract_return_value (gdbarch, mips_eabi_extract_return_value);
tdep->mips_default_saved_regsize = 4;
mips_eabi_use_struct_convention);
break;
case MIPS_ABI_EABI64:
- set_gdbarch_push_arguments (gdbarch, mips_eabi_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, mips_eabi_push_arguments);
set_gdbarch_deprecated_store_return_value (gdbarch, mips_eabi_store_return_value);
set_gdbarch_deprecated_extract_return_value (gdbarch, mips_eabi_extract_return_value);
tdep->mips_default_saved_regsize = 8;
mips_eabi_use_struct_convention);
break;
case MIPS_ABI_N32:
- set_gdbarch_push_arguments (gdbarch, mips_n32n64_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, mips_n32n64_push_arguments);
set_gdbarch_deprecated_store_return_value (gdbarch, mips_n32n64_store_return_value);
set_gdbarch_extract_return_value (gdbarch, mips_n32n64_extract_return_value);
tdep->mips_default_saved_regsize = 8;
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 32);
set_gdbarch_long_long_bit (gdbarch, 64);
-
- /* Set up the disassembler info, so that we get the right
- register names from libopcodes. */
- tm_print_insn_info.flavour = bfd_target_elf_flavour;
- tm_print_insn_info.arch = bfd_arch_mips;
- if (info.bfd_arch_info != NULL
- && info.bfd_arch_info->arch == bfd_arch_mips
- && info.bfd_arch_info->mach)
- tm_print_insn_info.mach = info.bfd_arch_info->mach;
- else
- tm_print_insn_info.mach = bfd_mach_mips8000;
-
set_gdbarch_use_struct_convention (gdbarch,
mips_n32n64_use_struct_convention);
set_gdbarch_reg_struct_has_addr (gdbarch,
mips_n32n64_reg_struct_has_addr);
break;
case MIPS_ABI_N64:
- set_gdbarch_push_arguments (gdbarch, mips_n32n64_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, mips_n32n64_push_arguments);
set_gdbarch_deprecated_store_return_value (gdbarch, mips_n32n64_store_return_value);
set_gdbarch_extract_return_value (gdbarch, mips_n32n64_extract_return_value);
tdep->mips_default_saved_regsize = 8;
set_gdbarch_long_bit (gdbarch, 64);
set_gdbarch_ptr_bit (gdbarch, 64);
set_gdbarch_long_long_bit (gdbarch, 64);
-
- /* Set up the disassembler info, so that we get the right
- register names from libopcodes. */
- tm_print_insn_info.flavour = bfd_target_elf_flavour;
- tm_print_insn_info.arch = bfd_arch_mips;
- if (info.bfd_arch_info != NULL
- && info.bfd_arch_info->arch == bfd_arch_mips
- && info.bfd_arch_info->mach)
- tm_print_insn_info.mach = info.bfd_arch_info->mach;
- else
- tm_print_insn_info.mach = bfd_mach_mips8000;
-
set_gdbarch_use_struct_convention (gdbarch,
mips_n32n64_use_struct_convention);
set_gdbarch_reg_struct_has_addr (gdbarch,
set_gdbarch_register_name (gdbarch, mips_register_name);
set_gdbarch_read_pc (gdbarch, mips_read_pc);
set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
- set_gdbarch_read_fp (gdbarch, mips_read_sp); /* Draft FRAME base. */
+ set_gdbarch_deprecated_target_read_fp (gdbarch, mips_read_sp); /* Draft FRAME base. */
set_gdbarch_read_sp (gdbarch, mips_read_sp);
- set_gdbarch_write_sp (gdbarch, generic_target_write_sp);
+ set_gdbarch_deprecated_dummy_write_sp (gdbarch, generic_target_write_sp);
/* Add/remove bits from an address. The MIPS needs be careful to
ensure that all 32 bit addresses are sign extended to 64 bits. */
set_gdbarch_addr_bits_remove (gdbarch, mips_addr_bits_remove);
/* There's a mess in stack frame creation. See comments in
- blockframe.c near reference to INIT_FRAME_PC_FIRST. */
- set_gdbarch_init_frame_pc_first (gdbarch, mips_init_frame_pc_first);
- set_gdbarch_init_frame_pc (gdbarch, init_frame_pc_noop);
+ blockframe.c near reference to DEPRECATED_INIT_FRAME_PC_FIRST. */
+ set_gdbarch_deprecated_init_frame_pc_first (gdbarch, mips_init_frame_pc_first);
+ set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_noop);
/* Map debug register numbers onto internal register numbers. */
set_gdbarch_stab_reg_to_regnum (gdbarch, mips_stab_reg_to_regnum);
- set_gdbarch_ecoff_reg_to_regnum (gdbarch, mips_ecoff_reg_to_regnum);
+ set_gdbarch_ecoff_reg_to_regnum (gdbarch, mips_dwarf_dwarf2_ecoff_reg_to_regnum);
+ set_gdbarch_dwarf_reg_to_regnum (gdbarch, mips_dwarf_dwarf2_ecoff_reg_to_regnum);
+ set_gdbarch_dwarf2_reg_to_regnum (gdbarch, mips_dwarf_dwarf2_ecoff_reg_to_regnum);
/* Initialize a frame */
- set_gdbarch_init_extra_frame_info (gdbarch, mips_init_extra_frame_info);
- set_gdbarch_frame_init_saved_regs (gdbarch, mips_frame_init_saved_regs);
+ set_gdbarch_deprecated_frame_init_saved_regs (gdbarch, mips_frame_init_saved_regs);
+ set_gdbarch_deprecated_init_extra_frame_info (gdbarch, mips_init_extra_frame_info);
/* MIPS version of CALL_DUMMY */
- set_gdbarch_call_dummy_p (gdbarch, 1);
- set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
- set_gdbarch_use_generic_dummy_frames (gdbarch, 0);
- set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
set_gdbarch_call_dummy_address (gdbarch, mips_call_dummy_address);
- set_gdbarch_push_return_address (gdbarch, mips_push_return_address);
- set_gdbarch_push_dummy_frame (gdbarch, mips_push_dummy_frame);
- set_gdbarch_pop_frame (gdbarch, mips_pop_frame);
- set_gdbarch_call_dummy_start_offset (gdbarch, 0);
- set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
- set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
- set_gdbarch_call_dummy_length (gdbarch, 0);
- set_gdbarch_fix_call_dummy (gdbarch, mips_fix_call_dummy);
- set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_at_entry_point);
- set_gdbarch_call_dummy_words (gdbarch, mips_call_dummy_words);
- set_gdbarch_sizeof_call_dummy_words (gdbarch, sizeof (mips_call_dummy_words));
- set_gdbarch_push_return_address (gdbarch, mips_push_return_address);
+ set_gdbarch_deprecated_push_return_address (gdbarch, mips_push_return_address);
+ set_gdbarch_deprecated_pop_frame (gdbarch, mips_pop_frame);
+ set_gdbarch_deprecated_fix_call_dummy (gdbarch, mips_fix_call_dummy);
+ set_gdbarch_deprecated_call_dummy_words (gdbarch, mips_call_dummy_words);
+ set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, sizeof (mips_call_dummy_words));
+ set_gdbarch_deprecated_push_return_address (gdbarch, mips_push_return_address);
set_gdbarch_frame_align (gdbarch, mips_frame_align);
+ set_gdbarch_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos);
set_gdbarch_register_convertible (gdbarch, mips_register_convertible);
set_gdbarch_register_convert_to_virtual (gdbarch,
mips_register_convert_to_virtual);
set_gdbarch_register_convert_to_raw (gdbarch,
mips_register_convert_to_raw);
- set_gdbarch_coerce_float_to_double (gdbarch, mips_coerce_float_to_double);
-
- set_gdbarch_frame_chain (gdbarch, mips_frame_chain);
- set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
+ set_gdbarch_deprecated_frame_chain (gdbarch, mips_frame_chain);
set_gdbarch_frameless_function_invocation (gdbarch,
generic_frameless_function_invocation_not);
- set_gdbarch_frame_saved_pc (gdbarch, mips_frame_saved_pc);
- set_gdbarch_frame_args_address (gdbarch, default_frame_address);
- set_gdbarch_frame_locals_address (gdbarch, default_frame_address);
+ set_gdbarch_deprecated_frame_saved_pc (gdbarch, mips_frame_saved_pc);
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
set_gdbarch_frame_args_skip (gdbarch, 0);
- set_gdbarch_get_saved_register (gdbarch, mips_get_saved_register);
+ set_gdbarch_deprecated_get_saved_register (gdbarch, mips_get_saved_register);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_breakpoint_from_pc (gdbarch, mips_breakpoint_from_pc);
set_gdbarch_decr_pc_after_break (gdbarch, 0);
set_gdbarch_skip_prologue (gdbarch, mips_skip_prologue);
- set_gdbarch_saved_pc_after_call (gdbarch, mips_saved_pc_after_call);
+ set_gdbarch_deprecated_saved_pc_after_call (gdbarch, mips_saved_pc_after_call);
set_gdbarch_pointer_to_address (gdbarch, signed_pointer_to_address);
set_gdbarch_address_to_pointer (gdbarch, address_to_signed_pointer);
set_gdbarch_register_virtual_type (gdbarch, mips_register_virtual_type);
set_gdbarch_register_virtual_size (gdbarch, generic_register_size);
- set_gdbarch_do_registers_info (gdbarch, mips_do_registers_info);
+ set_gdbarch_deprecated_do_registers_info (gdbarch, mips_do_registers_info);
set_gdbarch_pc_in_sigtramp (gdbarch, mips_pc_in_sigtramp);
/* Hook in OS ABI-specific overrides, if they have been registered. */
- gdbarch_init_osabi (info, gdbarch, osabi);
+ gdbarch_init_osabi (info, gdbarch);
- set_gdbarch_store_struct_return (gdbarch, mips_store_struct_return);
+ set_gdbarch_deprecated_store_struct_return (gdbarch, mips_store_struct_return);
set_gdbarch_extract_struct_value_address (gdbarch,
mips_extract_struct_value_address);
gdbarch_update_p (info);
}
+/* Print out which MIPS ABI is in use. */
+
+static void
+show_mips_abi (char *ignore_args, int from_tty)
+{
+ if (gdbarch_bfd_arch_info (current_gdbarch)->arch != bfd_arch_mips)
+ printf_filtered (
+ "The MIPS ABI is unknown because the current architecture is not MIPS.\n");
+ else
+ {
+ enum mips_abi global_abi = global_mips_abi ();
+ enum mips_abi actual_abi = mips_abi (current_gdbarch);
+ const char *actual_abi_str = mips_abi_strings[actual_abi];
+
+ if (global_abi == MIPS_ABI_UNKNOWN)
+ printf_filtered ("The MIPS ABI is set automatically (currently \"%s\").\n",
+ actual_abi_str);
+ else if (global_abi == actual_abi)
+ printf_filtered (
+ "The MIPS ABI is assumed to be \"%s\" (due to user setting).\n",
+ actual_abi_str);
+ else
+ {
+ /* Probably shouldn't happen... */
+ printf_filtered (
+ "The (auto detected) MIPS ABI \"%s\" is in use even though the user setting was \"%s\".\n",
+ actual_abi_str,
+ mips_abi_strings[global_abi]);
+ }
+ }
+}
+
static void
mips_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
{
fprintf_unfiltered (file,
"mips_dump_tdep: BADVADDR_REGNUM = %d\n",
BADVADDR_REGNUM);
- fprintf_unfiltered (file,
- "mips_dump_tdep: BIG_BREAKPOINT = delete?\n");
fprintf_unfiltered (file,
"mips_dump_tdep: CAUSE_REGNUM = %d\n",
CAUSE_REGNUM);
- fprintf_unfiltered (file,
- "mips_dump_tdep: CPLUS_MARKER = %c\n",
- CPLUS_MARKER);
- fprintf_unfiltered (file,
- "mips_dump_tdep: DO_REGISTERS_INFO # %s\n",
- XSTRING (DO_REGISTERS_INFO));
fprintf_unfiltered (file,
"mips_dump_tdep: DWARF_REG_TO_REGNUM # %s\n",
XSTRING (DWARF_REG_TO_REGNUM (REGNUM)));
fprintf_unfiltered (file,
"mips_dump_tdep: GDB_TARGET_IS_MIPS64 = %d\n",
GDB_TARGET_IS_MIPS64);
- fprintf_unfiltered (file,
- "mips_dump_tdep: GDB_TARGET_MASK_DISAS_PC # %s\n",
- XSTRING (GDB_TARGET_MASK_DISAS_PC (PC)));
- fprintf_unfiltered (file,
- "mips_dump_tdep: GDB_TARGET_UNMASK_DISAS_PC # %s\n",
- XSTRING (GDB_TARGET_UNMASK_DISAS_PC (PC)));
- fprintf_unfiltered (file,
- "mips_dump_tdep: GEN_REG_SAVE_MASK = %d\n",
- GEN_REG_SAVE_MASK);
fprintf_unfiltered (file,
"mips_dump_tdep: HAVE_NONSTEPPABLE_WATCHPOINT # %s\n",
XSTRING (HAVE_NONSTEPPABLE_WATCHPOINT));
fprintf_unfiltered (file,
"mips_dump_tdep: HI_REGNUM = %d\n",
HI_REGNUM);
- fprintf_unfiltered (file,
- "mips_dump_tdep: IDT_BIG_BREAKPOINT = delete?\n");
- fprintf_unfiltered (file,
- "mips_dump_tdep: IDT_LITTLE_BREAKPOINT = delete?\n");
fprintf_unfiltered (file,
"mips_dump_tdep: IGNORE_HELPER_CALL # %s\n",
XSTRING (IGNORE_HELPER_CALL (PC)));
fprintf_unfiltered (file,
"mips_dump_tdep: LAST_EMBED_REGNUM = %d\n",
LAST_EMBED_REGNUM);
- fprintf_unfiltered (file,
- "mips_dump_tdep: LITTLE_BREAKPOINT = delete?\n");
fprintf_unfiltered (file,
"mips_dump_tdep: LO_REGNUM = %d\n",
LO_REGNUM);
#endif
fprintf_unfiltered (file,
"mips_dump_tdep: MAKE_MIPS16_ADDR = FIXME!\n");
- fprintf_unfiltered (file,
- "mips_dump_tdep: MIPS16_BIG_BREAKPOINT = delete?\n");
fprintf_unfiltered (file,
"mips_dump_tdep: MIPS16_INSTLEN = %d\n",
MIPS16_INSTLEN);
- fprintf_unfiltered (file,
- "mips_dump_tdep: MIPS16_LITTLE_BREAKPOINT = delete?\n");
fprintf_unfiltered (file,
"mips_dump_tdep: MIPS_DEFAULT_ABI = FIXME!\n");
fprintf_unfiltered (file,
"mips_dump_tdep: OP_LDFPR = used?\n");
fprintf_unfiltered (file,
"mips_dump_tdep: OP_LDGPR = used?\n");
- fprintf_unfiltered (file,
- "mips_dump_tdep: PMON_BIG_BREAKPOINT = delete?\n");
- fprintf_unfiltered (file,
- "mips_dump_tdep: PMON_LITTLE_BREAKPOINT = delete?\n");
fprintf_unfiltered (file,
"mips_dump_tdep: PRID_REGNUM = %d\n",
PRID_REGNUM);
fprintf_unfiltered (file,
"mips_dump_tdep: PS_REGNUM = %d\n",
PS_REGNUM);
- fprintf_unfiltered (file,
- "mips_dump_tdep: PUSH_FP_REGNUM = %d\n",
- PUSH_FP_REGNUM);
fprintf_unfiltered (file,
"mips_dump_tdep: RA_REGNUM = %d\n",
RA_REGNUM);
fprintf_unfiltered (file,
"mips_dump_tdep: _PROC_MAGIC_ = %d\n",
_PROC_MAGIC_);
-
- fprintf_unfiltered (file,
- "mips_dump_tdep: OS ABI = %s\n",
- gdbarch_osabi_name (tdep->osabi));
}
void
internal_error (__FILE__, __LINE__, "mips_abi_strings out of sync");
gdbarch_register (bfd_arch_mips, mips_gdbarch_init, mips_dump_tdep);
- if (!tm_print_insn) /* Someone may have already set it */
- tm_print_insn = gdb_print_insn_mips;
+ if (!deprecated_tm_print_insn) /* Someone may have already set it */
+ deprecated_tm_print_insn = gdb_print_insn_mips;
/* Add root prefix command for all "set mips"/"show mips" commands */
add_prefix_cmd ("mips", no_class, set_mips_command,
" eabi32\n"
" eabi64",
&setmipscmdlist);
- add_show_from_set (c, &showmipscmdlist);
set_cmd_sfunc (c, mips_abi_update);
+ add_cmd ("abi", class_obscure, show_mips_abi,
+ "Show ABI in use by MIPS target", &showmipscmdlist);
/* Let the user turn off floating point and set the fence post for
heuristic_proc_start. */
projects / deliverable / binutils-gdb.git / blobdiff