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microblaze-tdep.c File Reference
#include "defs.h"
#include "arch-utils.h"
#include "dis-asm.h"
#include "frame.h"
#include "trad-frame.h"
#include "symtab.h"
#include "value.h"
#include "gdbcmd.h"
#include "breakpoint.h"
#include "inferior.h"
#include "regcache.h"
#include "target.h"
#include "frame-base.h"
#include "frame-unwind.h"
#include "dwarf2/frame.h"
#include "osabi.h"
#include "target-descriptions.h"
#include "opcodes/microblaze-opcm.h"
#include "opcodes/microblaze-dis.h"
#include "microblaze-tdep.h"
#include "remote.h"
#include "features/microblaze-with-stack-protect.c"
#include "features/microblaze.c"

Go to the source code of this file.

Macros

#define IS_RETURN(op)   (op == rtsd || op == rtid)
 
#define IS_UPDATE_SP(op, rd, ra)    ((op == addik || op == addi) && rd == REG_SP && ra == REG_SP)
 
#define IS_SPILL_SP(op, rd, ra)    ((op == swi || op == sw) && rd == REG_SP && ra == REG_SP)
 
#define IS_SPILL_REG(op, rd, ra)    ((op == swi || op == sw) && rd != REG_SP && ra == REG_SP)
 
#define IS_ALSO_SPILL_REG(op, rd, ra, rb)    ((op == swi || op == sw) && rd != REG_SP && ra == 0 && rb == REG_SP)
 
#define IS_SETUP_FP(op, ra, rb)    ((op == add || op == addik || op == addk) && ra == REG_SP && rb == 0)
 
#define IS_SPILL_REG_FP(op, rd, ra, fpregnum)    ((op == swi || op == sw) && rd != REG_SP && ra == fpregnum && ra != 0)
 
#define IS_SAVE_HIDDEN_PTR(op, rd, ra, rb)    ((op == add || op == addik) && ra == MICROBLAZE_FIRST_ARGREG && rb == 0)
 
#define MICROBLAZE_NUM_REGS   ARRAY_SIZE (microblaze_register_names)
 
#define microblaze_debug(fmt, ...)
 
#define MICROBLAZE_MY_FRAME_IN_SP   0x1
 
#define MICROBLAZE_MY_FRAME_IN_FP   0x2
 

Functions

static const char * microblaze_register_name (struct gdbarch *gdbarch, int regnum)
 
static struct typemicroblaze_register_type (struct gdbarch *gdbarch, int regnum)
 
static unsigned long microblaze_fetch_instruction (CORE_ADDR pc)
 
typedef BP_MANIPULATION (microblaze_break_insn)
 
static CORE_ADDR microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR current_pc, struct microblaze_frame_cache *cache)
 
static CORE_ADDR microblaze_unwind_pc (struct gdbarch *gdbarch, frame_info_ptr next_frame)
 
static CORE_ADDR microblaze_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
 
static struct microblaze_frame_cache * microblaze_frame_cache (frame_info_ptr next_frame, void **this_cache)
 
static void microblaze_frame_this_id (frame_info_ptr next_frame, void **this_cache, struct frame_id *this_id)
 
static struct valuemicroblaze_frame_prev_register (frame_info_ptr this_frame, void **this_cache, int regnum)
 
static CORE_ADDR microblaze_frame_base_address (frame_info_ptr next_frame, void **this_cache)
 
static void microblaze_extract_return_value (struct type *type, struct regcache *regcache, gdb_byte *valbuf)
 
static void microblaze_store_return_value (struct type *type, struct regcache *regcache, const gdb_byte *valbuf)
 
static enum return_value_convention microblaze_return_value (struct gdbarch *gdbarch, struct value *function, struct type *type, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf)
 
static int microblaze_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type)
 
static int microblaze_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int reg)
 
static void microblaze_register_g_packet_guesses (struct gdbarch *gdbarch)
 
static struct gdbarchmicroblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
void _initialize_microblaze_tdep ()
 

Variables

static const char *const microblaze_register_names []
 
static unsigned int microblaze_debug_flag = 0
 
constexpr gdb_byte microblaze_break_insn [] = MICROBLAZE_BREAKPOINT
 
static const struct frame_unwind microblaze_frame_unwind
 
static const struct frame_base microblaze_frame_base
 
static int dwarf2_to_reg_map [78]
 

Macro Definition Documentation

◆ IS_ALSO_SPILL_REG

#define IS_ALSO_SPILL_REG ( op,
rd,
ra,
rb )    ((op == swi || op == sw) && rd != REG_SP && ra == 0 && rb == REG_SP)

Definition at line 57 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ IS_RETURN

#define IS_RETURN ( op)    (op == rtsd || op == rtid)

Definition at line 50 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ IS_SAVE_HIDDEN_PTR

#define IS_SAVE_HIDDEN_PTR ( op,
rd,
ra,
rb )    ((op == add || op == addik) && ra == MICROBLAZE_FIRST_ARGREG && rb == 0)

Definition at line 63 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ IS_SETUP_FP

#define IS_SETUP_FP ( op,
ra,
rb )    ((op == add || op == addik || op == addk) && ra == REG_SP && rb == 0)

Definition at line 59 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ IS_SPILL_REG

#define IS_SPILL_REG ( op,
rd,
ra )    ((op == swi || op == sw) && rd != REG_SP && ra == REG_SP)

Definition at line 55 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ IS_SPILL_REG_FP

#define IS_SPILL_REG_FP ( op,
rd,
ra,
fpregnum )    ((op == swi || op == sw) && rd != REG_SP && ra == fpregnum && ra != 0)

Definition at line 61 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ IS_SPILL_SP

#define IS_SPILL_SP ( op,
rd,
ra )    ((op == swi || op == sw) && rd == REG_SP && ra == REG_SP)

Definition at line 53 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ IS_UPDATE_SP

#define IS_UPDATE_SP ( op,
rd,
ra )    ((op == addik || op == addi) && rd == REG_SP && ra == REG_SP)

Definition at line 51 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ microblaze_debug

#define microblaze_debug ( fmt,
... )
Value:
debug_prefixed_printf_cond_nofunc (microblaze_debug_flag, "MICROBLAZE", \
fmt, ## __VA_ARGS__)
static unsigned int microblaze_debug_flag

Definition at line 85 of file microblaze-tdep.c.

Referenced by microblaze_analyze_prologue().

◆ MICROBLAZE_MY_FRAME_IN_FP

#define MICROBLAZE_MY_FRAME_IN_FP   0x2

Definition at line 165 of file microblaze-tdep.c.

◆ MICROBLAZE_MY_FRAME_IN_SP

#define MICROBLAZE_MY_FRAME_IN_SP   0x1

Definition at line 158 of file microblaze-tdep.c.

◆ MICROBLAZE_NUM_REGS

#define MICROBLAZE_NUM_REGS   ARRAY_SIZE (microblaze_register_names)

Function Documentation

◆ _initialize_microblaze_tdep()

void _initialize_microblaze_tdep ( )

◆ BP_MANIPULATION()

typedef BP_MANIPULATION ( microblaze_break_insn )

◆ microblaze_analyze_prologue()

static CORE_ADDR microblaze_analyze_prologue ( struct gdbarch * gdbarch,
CORE_ADDR pc,
CORE_ADDR current_pc,
struct microblaze_frame_cache * cache )
static

◆ microblaze_dwarf2_reg_to_regnum()

static int microblaze_dwarf2_reg_to_regnum ( struct gdbarch * gdbarch,
int reg )
static

Definition at line 618 of file microblaze-tdep.c.

References dwarf2_to_reg_map.

Referenced by microblaze_gdbarch_init().

◆ microblaze_extract_return_value()

static void microblaze_extract_return_value ( struct type * type,
struct regcache * regcache,
gdb_byte * valbuf )
static

◆ microblaze_fetch_instruction()

static unsigned long microblaze_fetch_instruction ( CORE_ADDR pc)
static

◆ microblaze_frame_base_address()

static CORE_ADDR microblaze_frame_base_address ( frame_info_ptr next_frame,
void ** this_cache )
static

Definition at line 493 of file microblaze-tdep.c.

References microblaze_frame_cache::base, and microblaze_frame_cache().

◆ microblaze_frame_cache()

static struct microblaze_frame_cache * microblaze_frame_cache ( frame_info_ptr next_frame,
void ** this_cache )
static

◆ microblaze_frame_prev_register()

static struct value * microblaze_frame_prev_register ( frame_info_ptr this_frame,
void ** this_cache,
int regnum )
static

◆ microblaze_frame_this_id()

static void microblaze_frame_this_id ( frame_info_ptr next_frame,
void ** this_cache,
struct frame_id * this_id )
static

◆ microblaze_gdbarch_init()

static struct gdbarch * microblaze_gdbarch_init ( struct gdbarch_info info,
struct gdbarch_list * arches )
static

◆ microblaze_register_g_packet_guesses()

static void microblaze_register_g_packet_guesses ( struct gdbarch * gdbarch)
static

◆ microblaze_register_name()

static const char * microblaze_register_name ( struct gdbarch * gdbarch,
int regnum )
static

◆ microblaze_register_type()

static struct type * microblaze_register_type ( struct gdbarch * gdbarch,
int regnum )
static

◆ microblaze_return_value()

static enum return_value_convention microblaze_return_value ( struct gdbarch * gdbarch,
struct value * function,
struct type * type,
struct regcache * regcache,
gdb_byte * readbuf,
const gdb_byte * writebuf )
static

◆ microblaze_skip_prologue()

static CORE_ADDR microblaze_skip_prologue ( struct gdbarch * gdbarch,
CORE_ADDR start_pc )
static

◆ microblaze_stabs_argument_has_addr()

static int microblaze_stabs_argument_has_addr ( struct gdbarch * gdbarch,
struct type * type )
static

Definition at line 588 of file microblaze-tdep.c.

References type::length().

Referenced by microblaze_gdbarch_init().

◆ microblaze_store_return_value()

static void microblaze_store_return_value ( struct type * type,
struct regcache * regcache,
const gdb_byte * valbuf )
static

◆ microblaze_unwind_pc()

static CORE_ADDR microblaze_unwind_pc ( struct gdbarch * gdbarch,
frame_info_ptr next_frame )
static

Variable Documentation

◆ dwarf2_to_reg_map

int dwarf2_to_reg_map[78]
static
Initial value:
=
{ 0 , 1 , 2 , 3 ,
4 , 5 , 6 , 7 ,
8 , 9 , 10 , 11 ,
12 , 13 , 14 , 15 ,
16 , 17 , 18 , 19 ,
20 , 21 , 22 , 23 ,
24 , 25 , 26 , 27 ,
28 , 29 , 30 , 31 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , 33 ,
-1 , -1 , -1 , -1 ,
-1 , -1 , -1 , -1 ,
-1 , -1
}

Definition at line 594 of file microblaze-tdep.c.

Referenced by microblaze_dwarf2_reg_to_regnum().

◆ microblaze_break_insn

constexpr gdb_byte microblaze_break_insn[] = MICROBLAZE_BREAKPOINT
constexpr

Definition at line 128 of file microblaze-tdep.c.

◆ microblaze_debug_flag

unsigned int microblaze_debug_flag = 0
static

Definition at line 83 of file microblaze-tdep.c.

Referenced by _initialize_microblaze_tdep().

◆ microblaze_frame_base

const struct frame_base microblaze_frame_base
static
Initial value:
=
{
}
static CORE_ADDR microblaze_frame_base_address(frame_info_ptr next_frame, void **this_cache)
static const struct frame_unwind microblaze_frame_unwind

Definition at line 502 of file microblaze-tdep.c.

Referenced by microblaze_gdbarch_init().

◆ microblaze_frame_unwind

const struct frame_unwind microblaze_frame_unwind
static
Initial value:
=
{
"microblaze prologue",
NULL,
}
int default_frame_sniffer(const struct frame_unwind *self, frame_info_ptr this_frame, void **this_prologue_cache)
enum unwind_stop_reason default_frame_unwind_stop_reason(frame_info_ptr this_frame, void **this_cache)
@ NORMAL_FRAME
Definition frame.h:187
static void microblaze_frame_this_id(frame_info_ptr next_frame, void **this_cache, struct frame_id *this_id)
static struct value * microblaze_frame_prev_register(frame_info_ptr this_frame, void **this_cache, int regnum)

Definition at line 481 of file microblaze-tdep.c.

Referenced by microblaze_gdbarch_init().

◆ microblaze_register_names

const char* const microblaze_register_names[]
static
Initial value:
=
{
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"rpc", "rmsr", "rear", "resr", "rfsr", "rbtr",
"rpvr0", "rpvr1", "rpvr2", "rpvr3", "rpvr4", "rpvr5", "rpvr6",
"rpvr7", "rpvr8", "rpvr9", "rpvr10", "rpvr11",
"redr", "rpid", "rzpr", "rtlbx", "rtlbsx", "rtlblo", "rtlbhi",
"rslr", "rshr"
}

Definition at line 68 of file microblaze-tdep.c.

Referenced by microblaze_gdbarch_init(), and microblaze_register_name().