/* Simulator tracing/debugging support.
- Copyright (C) 1997-2015 Free Software Foundation, Inc.
+ Copyright (C) 1997-2020 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB, the GNU debugger.
#ifndef SIM_TRACE_H
#define SIM_TRACE_H
+#include "dis-asm.h"
+
/* Standard traceable entities. */
enum {
- /* Trace insn execution. */
+ /* Trace insn execution. The port itself is responsible for displaying what
+ it thinks it is decoding. */
TRACE_INSN_IDX = 1,
+ /* Disassemble code addresses. Like insn tracing, but relies on the opcode
+ framework for displaying code. Can be slower, more accurate as to what
+ the binary code actually is, but not how the sim is decoding it. */
+ TRACE_DISASM_IDX,
+
/* Trace insn decoding.
??? This is more of a simulator debugging operation and might best be
moved to --debug-decode. */
The case choice here is on purpose. The lowercase parts are args to
--with-trace. */
#define TRACE_insn (1 << TRACE_INSN_IDX)
+#define TRACE_disasm (1 << TRACE_DISASM_IDX)
#define TRACE_decode (1 << TRACE_DECODE_IDX)
#define TRACE_extract (1 << TRACE_EXTRACT_IDX)
#define TRACE_linenum (1 << TRACE_LINENUM_IDX)
/* Preprocessor macros to simplify tests of WITH_TRACE. */
#define WITH_TRACE_ANY_P (WITH_TRACE)
#define WITH_TRACE_INSN_P WITH_TRACE_P (TRACE_INSN_IDX)
+#define WITH_TRACE_DISASM_P WITH_TRACE_P (TRACE_DISASM_IDX)
#define WITH_TRACE_DECODE_P WITH_TRACE_P (TRACE_DECODE_IDX)
#define WITH_TRACE_EXTRACT_P WITH_TRACE_P (TRACE_EXTRACT_IDX)
#define WITH_TRACE_LINENUM_P WITH_TRACE_P (TRACE_LINENUM_IDX)
??? Not all cpu's support this. */
ADDR_RANGE range;
#define TRACE_RANGE(t) (& (t)->range)
+
+ /* The bfd used to disassemble code. Should compare against STATE_PROG_BFD
+ before using the disassembler helper.
+ Meant for use by the internal trace module only. */
+ struct bfd *dis_bfd;
+
+ /* The function used to actually disassemble code.
+ Meant for use by the internal trace module only. */
+ disassembler_ftype disassembler;
+
+ /* State used with the disassemble function.
+ Meant for use by the internal trace module only. */
+ disassemble_info dis_info;
} TRACE_DATA;
\f
/* System tracing support. */
/* Non-zero if --trace-<xxxx> was specified for SD. */
#define STRACE_ANY_P(sd) (WITH_TRACE_ANY_P && (STATE_TRACE_DATA (sd)->trace_any_p))
#define STRACE_INSN_P(sd) STRACE_P (sd, TRACE_INSN_IDX)
+#define STRACE_DISASM_P(sd) STRACE_P (sd, TRACE_DISASM_IDX)
#define STRACE_DECODE_P(sd) STRACE_P (sd, TRACE_DECODE_IDX)
#define STRACE_EXTRACT_P(sd) STRACE_P (sd, TRACE_EXTRACT_IDX)
#define STRACE_LINENUM_P(sd) STRACE_P (sd, TRACE_LINENUM_IDX)
trace_generic (sd, NULL, idx, fmt, ## args); \
} while (0)
#define STRACE_INSN(sd, fmt, args...) STRACE (sd, TRACE_INSN_IDX, fmt, ## args)
+#define STRACE_DISASM(sd, fmt, args...) STRACE (sd, TRACE_DISASM_IDX, fmt, ## args)
#define STRACE_DECODE(sd, fmt, args...) STRACE (sd, TRACE_DECODE_IDX, fmt, ## args)
#define STRACE_EXTRACT(sd, fmt, args...) STRACE (sd, TRACE_EXTRACT_IDX, fmt, ## args)
#define STRACE_LINENUM(sd, fmt, args...) STRACE (sd, TRACE_LINENUM_IDX, fmt, ## args)
/* Non-zero if --trace-<xxxx> was specified for CPU. */
#define TRACE_ANY_P(cpu) (WITH_TRACE_ANY_P && (CPU_TRACE_DATA (cpu)->trace_any_p))
#define TRACE_INSN_P(cpu) TRACE_P (cpu, TRACE_INSN_IDX)
+#define TRACE_DISASM_P(cpu) TRACE_P (cpu, TRACE_DISASM_IDX)
#define TRACE_DECODE_P(cpu) TRACE_P (cpu, TRACE_DECODE_IDX)
#define TRACE_EXTRACT_P(cpu) TRACE_P (cpu, TRACE_EXTRACT_IDX)
#define TRACE_LINENUM_P(cpu) TRACE_P (cpu, TRACE_LINENUM_IDX)
#define TRACE_SYSCALL_P(cpu) TRACE_P (cpu, TRACE_SYSCALL_IDX)
#define TRACE_REGISTER_P(cpu) TRACE_P (cpu, TRACE_REGISTER_IDX)
#define TRACE_DEBUG_P(cpu) TRACE_P (cpu, TRACE_DEBUG_IDX)
+#define TRACE_DISASM_P(cpu) TRACE_P (cpu, TRACE_DISASM_IDX)
/* Helper functions for printing messages. */
#define TRACE(cpu, idx, fmt, args...) \
#define TRACE_SYSCALL(cpu, fmt, args...) TRACE (cpu, TRACE_SYSCALL_IDX, fmt, ## args)
#define TRACE_REGISTER(cpu, fmt, args...) TRACE (cpu, TRACE_REGISTER_IDX, fmt, ## args)
#define TRACE_DEBUG(cpu, fmt, args...) TRACE (cpu, TRACE_DEBUG_IDX, fmt, ## args)
+#define TRACE_DISASM(cpu, addr) \
+ do { \
+ if (TRACE_DISASM_P (cpu)) \
+ trace_disasm (CPU_STATE (cpu), cpu, addr); \
+ } while (0)
\f
/* Tracing functions. */
...)
__attribute__((format (printf, 4, 5)));
+/* Disassemble the specified address. */
+
+extern void trace_disasm (SIM_DESC sd, sim_cpu *cpu, address_word addr);
+
typedef enum {
trace_fmt_invalid,
trace_fmt_word,
} while (0)
\f
-/* The function trace_one_insn has been replaced by the function pair
- trace_prefix() + trace_generic() */
-extern void trace_one_insn (SIM_DESC sd,
- sim_cpu * cpu,
- address_word cia,
- int print_linenum_p,
- const char *file_name,
- int line_nr,
- const char *unit,
- const char *fmt,
- ...)
- __attribute__((format (printf, 8, 9)));
-
extern void trace_printf (SIM_DESC, sim_cpu *, const char *, ...)
__attribute__((format (printf, 3, 4)));
/* Non-zero if "--debug-insn" specified. */
#define DEBUG_INSN_P(cpu) DEBUG_P (cpu, DEBUG_INSN_IDX)
-/* GDB also has a debug_printf, so we shadow ours. */
-#define debug_printf sim_debug_printf
+/* Symbol related helpers. */
+int trace_load_symbols (SIM_DESC);
+bfd_vma trace_sym_value (SIM_DESC, const char *name);
-extern void debug_printf (sim_cpu *, const char *, ...)
+extern void sim_debug_printf (sim_cpu *, const char *, ...)
__attribute__((format (printf, 2, 3)));
#endif /* SIM_TRACE_H */
projects / deliverable / binutils-gdb.git / blobdiff