Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 289 insertions, 0 deletions

diff --git a/sim/common/sim-profile.h b/sim/common/sim-profile.h
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+/* Profile header for simulators using common framework.
+   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+This file is part of GDB, the GNU debugger.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef SIM_PROFILE_H
+#define SIM_PROFILE_H
+
+#ifndef WITH_PROFILE
+Error, WITH_PROFILE not defined.
+#endif
+
+/* Standard profilable entities.  */
+
+enum {
+  /* Profile insn usage.  */
+  PROFILE_INSN_IDX = 1,
+
+  /* Profile memory usage.  */
+  PROFILE_MEMORY_IDX,
+
+  /* Profile the cpu model (cycles, etc.).  */
+  PROFILE_MODEL_IDX,
+
+  /* Profile the simulator's execution cache.  */
+  PROFILE_SCACHE_IDX,
+
+  /* Profile the PC.  */
+  PROFILE_PC_IDX,
+
+  /* Profile sim-core.c stuff.  */
+  /* ??? The difference between this and PROFILE_MEMORY_IDX is ... ?  */
+  PROFILE_CORE_IDX,
+
+  /* Simulator specific profile bits begin here.  */
+  PROFILE_NEXT_IDX
+};
+
+/* Maximum number of profilable entities.  */
+#ifndef MAX_PROFILE_VALUES
+#define MAX_PROFILE_VALUES 32
+#endif
+
+/* The -p option only prints useful values.  It's easy to type and shouldn't
+   splat on the screen everything under the sun making nothing easy to
+   find.  */
+#define PROFILE_USEFUL_MASK \
+((1 << PROFILE_INSN_IDX) \
+ | (1 << PROFILE_MEMORY_IDX) \
+ | (1 << PROFILE_MODEL_IDX) \
+ | (1 << PROFILE_CORE_IDX))
+
+/* Utility to parse a --profile-<foo> option.  */
+/* ??? On the one hand all calls could be confined to sim-profile.c, but
+   on the other hand keeping a module's profiling option with the module's
+   source is cleaner.   */
+
+SIM_RC sim_profile_set_option (SIM_DESC sd_, const char *name_, int idx_,
+			       const char *arg_);
+
+/* Masks so WITH_PROFILE can have symbolic values.
+   The case choice here is on purpose.  The lowercase parts are args to
+   --with-profile.  */
+#define PROFILE_insn   (1 << PROFILE_INSN_IDX)
+#define PROFILE_memory (1 << PROFILE_MEMORY_IDX)
+#define PROFILE_model  (1 << PROFILE_MODEL_IDX)
+#define PROFILE_scache (1 << PROFILE_SCACHE_IDX)
+#define PROFILE_pc     (1 << PROFILE_PC_IDX)
+#define PROFILE_core   (1 << PROFILE_CORE_IDX)
+
+/* Preprocessor macros to simplify tests of WITH_PROFILE.  */
+#define WITH_PROFILE_INSN_P (WITH_PROFILE & PROFILE_insn)
+#define WITH_PROFILE_MEMORY_P (WITH_PROFILE & PROFILE_memory)
+#define WITH_PROFILE_MODEL_P (WITH_PROFILE & PROFILE_model)
+#define WITH_PROFILE_SCACHE_P (WITH_PROFILE & PROFILE_scache)
+#define WITH_PROFILE_PC_P (WITH_PROFILE & PROFILE_pc)
+#define WITH_PROFILE_CORE_P (WITH_PROFILE & PROFILE_core)
+
+/* If MAX_TARGET_MODES isn't defined, we can't do memory profiling.
+   ??? It is intended that this is a temporary occurence.  Normally
+   MAX_TARGET_MODES is defined.  */
+#ifndef MAX_TARGET_MODES
+#undef WITH_PROFILE_MEMORY_P
+#define WITH_PROFILE_MEMORY_P 0
+#endif
+
+/* Only build MODEL code when the target simulator has support for it */
+#ifndef SIM_HAVE_MODEL
+#undef WITH_PROFILE_MODEL_P
+#define WITH_PROFILE_MODEL_P 0
+#endif
+
+/* Profiling install handler.  */
+MODULE_INSTALL_FN profile_install;
+
+/* Output format macros.  */
+#ifndef PROFILE_HISTOGRAM_WIDTH
+#define PROFILE_HISTOGRAM_WIDTH 40
+#endif
+#ifndef PROFILE_LABEL_WIDTH
+#define PROFILE_LABEL_WIDTH 32
+#endif
+
+/* Callbacks for internal profile_info.
+   The callbacks may be NULL meaning there isn't one.
+   Note that results are indented two spaces to distinguish them from
+   section titles.
+   If non-NULL, PROFILE_CALLBACK is called to print extra non-cpu related data.
+   If non-NULL, PROFILE_CPU_CALLBACK is called to print extra cpu related data.
+   */
+
+typedef void (PROFILE_INFO_CALLBACK_FN) (SIM_DESC, int);
+struct _sim_cpu; /* forward reference */
+typedef void (PROFILE_INFO_CPU_CALLBACK_FN) (struct _sim_cpu *cpu, int verbose);
+
+
+/* Struct containing most profiling data.
+   It doesn't contain all profiling data because for example scache data
+   is kept with the rest of scache support.  */
+
+typedef struct {
+  /* Global summary of all the current profiling options.  */
+  char profile_any_p;
+
+  /* Boolean array of specified profiling flags.  */
+  char profile_flags[MAX_PROFILE_VALUES];
+#define PROFILE_FLAGS(p) ((p)->profile_flags)
+
+  /* The total insn count is tracked separately.
+     It is always computed, regardless of insn profiling.  */
+  unsigned long total_insn_count;
+#define PROFILE_TOTAL_INSN_COUNT(p) ((p)->total_insn_count)
+
+#if WITH_PROFILE_INSN_P
+  unsigned int *insn_count;
+#define PROFILE_INSN_COUNT(p) ((p)->insn_count)
+#endif
+
+#if WITH_PROFILE_MEMORY_P
+  unsigned int read_count[MAX_TARGET_MODES];
+#define PROFILE_READ_COUNT(p) ((p)->read_count)
+  unsigned int write_count[MAX_TARGET_MODES];
+#define PROFILE_WRITE_COUNT(p) ((p)->write_count)
+#endif
+
+#if WITH_PROFILE_CORE_P
+  /* Count read/write/exec accesses separatly. */
+  unsigned int core_count[nr_maps];
+#define PROFILE_CORE_COUNT(p) ((p)->core_count)
+#endif
+
+#if WITH_PROFILE_MODEL_P
+  /* ??? Quick hack until more elaborate scheme is finished.  */
+  /* Total cycle count, including stalls.  */
+  unsigned long total_cycles;
+#define PROFILE_MODEL_TOTAL_CYCLES(p) ((p)->total_cycles)
+  /* Stalls due to branches.  */
+  unsigned long cti_stall_cycles;
+#define PROFILE_MODEL_CTI_STALL_CYCLES(p) ((p)->cti_stall_cycles)
+  unsigned long load_stall_cycles;
+#define PROFILE_MODEL_LOAD_STALL_CYCLES(p) ((p)->load_stall_cycles)
+  /* Number of cycles the current instruction took.  */
+  unsigned long cur_insn_cycles;
+#define PROFILE_MODEL_CUR_INSN_CYCLES(p) ((p)->cur_insn_cycles)
+
+  /* Taken and not-taken branches (and other cti's).  */
+  unsigned long taken_count, untaken_count;
+#define PROFILE_MODEL_TAKEN_COUNT(p) ((p)->taken_count)
+#define PROFILE_MODEL_UNTAKEN_COUNT(p) ((p)->untaken_count)
+#endif
+
+#if WITH_PROFILE_PC_P
+  /* PC profiling attempts to determine function usage by sampling the PC
+     every so many instructions.  */
+  unsigned int profile_pc_freq;
+#define PROFILE_PC_FREQ(p) ((p)->profile_pc_freq)
+  unsigned int profile_pc_nr_buckets;
+#define PROFILE_PC_NR_BUCKETS(p) ((p)->profile_pc_nr_buckets)
+  address_word profile_pc_start;
+#define PROFILE_PC_START(p) ((p)->profile_pc_start)
+  address_word profile_pc_end;
+#define PROFILE_PC_END(p) ((p)->profile_pc_end)
+  unsigned profile_pc_shift;
+#define PROFILE_PC_SHIFT(p) ((p)->profile_pc_shift)
+#define PROFILE_PC_BUCKET_SIZE(p) (PROFILE_PC_SHIFT (p) ? (1 << PROFILE_PC_SHIFT (p)) : 0)
+  unsigned *profile_pc_count;
+#define PROFILE_PC_COUNT(p) ((p)->profile_pc_count)
+  sim_event *profile_pc_event;
+#define PROFILE_PC_EVENT(p) ((p)->profile_pc_event)
+#endif
+
+  /* Profile output goes to this or stderr if NULL.
+     We can't store `stderr' here as stderr goes through a callback.  */
+  FILE *profile_file;
+#define PROFILE_FILE(p) ((p)->profile_file)
+
+  /* When reporting a profile summary, hook to include per-processor
+     target specific profile information */
+  PROFILE_INFO_CPU_CALLBACK_FN *info_cpu_callback;
+#define PROFILE_INFO_CPU_CALLBACK(p) ((p)->info_cpu_callback)
+
+  /* When reporting a profile summary, hook to include common target
+     specific profile information */
+  PROFILE_INFO_CALLBACK_FN *info_callback;
+#define STATE_PROFILE_INFO_CALLBACK(sd) \
+(CPU_PROFILE_DATA (STATE_CPU (sd, 0))->info_callback)
+
+  /* Profile range.
+     ??? Not all cpu's support this.  */
+  ADDR_RANGE range;
+#define PROFILE_RANGE(p) (& (p)->range)
+} PROFILE_DATA;
+
+/* Predicates.  */
+
+#define CPU_PROFILE_FLAGS(cpu) PROFILE_FLAGS (CPU_PROFILE_DATA (cpu))
+
+/* Return non-zero if tracing of IDX is enabled for CPU.  */
+#define PROFILE_P(cpu,idx) \
+((WITH_PROFILE & (1 << (idx))) != 0 \
+ && CPU_PROFILE_FLAGS (cpu)[idx] != 0)
+
+/* Non-zero if --profile-<xxxx> was specified for CPU.  */
+#define PROFILE_ANY_P(cpu)	((WITH_PROFILE) && (CPU_PROFILE_DATA (cpu)->profile_any_p))
+#define PROFILE_INSN_P(cpu)	PROFILE_P (cpu, PROFILE_INSN_IDX)
+#define PROFILE_MEMORY_P(cpu)	PROFILE_P (cpu, PROFILE_MEMORY_IDX)
+#define PROFILE_MODEL_P(cpu)	PROFILE_P (cpu, PROFILE_MODEL_IDX)
+#define PROFILE_SCACHE_P(cpu)	PROFILE_P (cpu, PROFILE_SCACHE_IDX)
+#define PROFILE_PC_P(cpu)	PROFILE_P (cpu, PROFILE_PC_IDX)
+#define PROFILE_CORE_P(cpu)	PROFILE_P (cpu, PROFILE_CORE_IDX)
+
+/* Usage macros.  */
+
+#if WITH_PROFILE_INSN_P
+#define PROFILE_COUNT_INSN(cpu, pc, insn_num) \
+do { \
+  if (PROFILE_INSN_P (cpu)) \
+    ++ PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) [insn_num]; \
+} while (0)
+#else
+#define PROFILE_COUNT_INSN(cpu, pc, insn_num)
+#endif /* ! insn */
+
+#if WITH_PROFILE_MEMORY_P
+#define PROFILE_COUNT_READ(cpu, addr, mode_num) \
+do { \
+  if (PROFILE_MEMORY_P (cpu)) \
+    ++ PROFILE_READ_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \
+} while (0)
+#define PROFILE_COUNT_WRITE(cpu, addr, mode_num) \
+do { \
+  if (PROFILE_MEMORY_P (cpu)) \
+    ++ PROFILE_WRITE_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \
+} while (0)
+#else
+#define PROFILE_COUNT_READ(cpu, addr, mode_num)
+#define PROFILE_COUNT_WRITE(cpu, addr, mode_num)
+#endif /* ! memory */
+
+#if WITH_PROFILE_CORE_P
+#define PROFILE_COUNT_CORE(cpu, addr, size, map) \
+do { \
+  if (PROFILE_CORE_P (cpu)) \
+    PROFILE_CORE_COUNT (CPU_PROFILE_DATA (cpu)) [map] += 1; \
+} while (0)
+#else
+#define PROFILE_COUNT_CORE(cpu, addr, size, map)
+#endif /* ! core */
+
+/* Misc. utilities.  */
+
+extern void sim_profile_print_bar (SIM_DESC, unsigned int, unsigned int, unsigned int);
+
+#endif /* SIM_PROFILE_H */