236 lines
9.5 KiB
C
236 lines
9.5 KiB
C
/* Copyright (C) 2021 Free Software Foundation, Inc.
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Contributed by Oracle.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef _COLLECTOR_H
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#define _COLLECTOR_H
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#include <ucontext.h>
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#include <signal.h>
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#include "gp-defs.h"
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#include "data_pckts.h"
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#include "libcol_util.h"
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#include "collector_module.h"
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#define GETRELTIME() (__collector_gethrtime() - __collector_start_time)
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extern hrtime_t __collector_start_time;
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/* ========================================================== */
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/* ------- internal function prototypes ----------------- */
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/* These will not be exported from libcollector.so */
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struct DataHandle;
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struct Heap;
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extern struct DataHandle *__collector_create_handle (char*);
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extern void __collector_delete_handle (struct DataHandle*);
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extern int __collector_write_record (struct DataHandle*, Common_packet*);
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extern int __collector_write_packet (struct DataHandle*, CM_Packet*);
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extern int __collector_write_string (struct DataHandle*, char*, int);
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extern FrameInfo __collector_get_frame_info (hrtime_t, int, void *);
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extern FrameInfo __collector_getUID (CM_Array *arg, FrameInfo uid);
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extern int __collector_getStackTrace (void *buf, int size, void *bptr, void *eptr, void *arg);
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extern void *__collector_ext_return_address (unsigned level);
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extern void __collector_mmap_fork_child_cleanup ();
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extern int __collector_ext_mmap_install (int);
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extern int __collector_ext_mmap_deinstall (int);
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extern int __collector_ext_update_map_segments (void);
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extern int __collector_check_segment (unsigned long addr,
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unsigned long *base,
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unsigned long *end, int maxnretries);
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extern int __collector_check_readable_segment (unsigned long addr,
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unsigned long *base,
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unsigned long *end, int maxnretries);
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extern int __collector_ext_line_init (int * pfollow_this_experiment,
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const char * progspec,
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const char *progname);
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extern int __collector_ext_line_install (char *, const char *);
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extern void __collector_ext_line_close ();
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extern void __collector_ext_unwind_init (int);
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extern void __collector_ext_unwind_close ();
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extern int __collector_ext_jstack_unwind (char*, int, ucontext_t *);
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extern void __collector_ext_dispatcher_fork_child_cleanup ();
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extern void __collector_ext_unwind_key_init (int isPthread, void * stack);
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extern void __collector_ext_dispatcher_tsd_create_key ();
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extern void __collector_ext_dispatcher_thread_timer_suspend ();
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extern int __collector_ext_dispatcher_thread_timer_resume ();
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extern int __collector_ext_dispatcher_install ();
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extern void __collector_ext_dispatcher_suspend ();
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extern void __collector_ext_dispatcher_restart ();
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extern void __collector_ext_dispatcher_deinstall ();
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extern void __collector_ext_usage_sample (Smpl_type type, char *name);
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extern void __collector_ext_profile_handler (siginfo_t *, ucontext_t *);
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extern int __collector_ext_clone_pthread (int (*fn)(void *), void *child_stack, int flags, void *arg,
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va_list va /* pid_t *ptid, struct user_desc *tlspid_t *" ctid" */);
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/* D-light related functions */
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extern int __collector_sigprof_install ();
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extern int __collector_ext_hwc_active ();
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extern void __collector_ext_hwc_check (siginfo_t *, ucontext_t *);
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extern int __collector_ext_hwc_lwp_init ();
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extern void __collector_ext_hwc_lwp_fini ();
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extern int __collector_ext_hwc_lwp_suspend ();
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extern int __collector_ext_hwc_lwp_resume ();
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extern int (*__collector_VM_ReadByteInstruction)(unsigned char *);
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extern int (*__collector_omp_stack_trace)(char*, int, hrtime_t, void*);
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extern hrtime_t (*__collector_gethrtime)();
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extern int (*__collector_mpi_stack_trace)(char*, int, hrtime_t);
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extern int __collector_open_experiment (const char *exp, const char *par, sp_origin_t origin);
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extern void __collector_suspend_experiment (char *why);
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extern void __collector_resume_experiment ();
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extern void __collector_clean_state ();
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extern void __collector_close_experiment ();
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extern void __collector_terminate_expt ();
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extern void __collector_terminate_hook ();
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extern void __collector_sample (char *name);
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extern void __collector_pause ();
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extern void __collector_pause_m ();
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extern void __collector_resume ();
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extern int collector_sigemt_sigaction (const struct sigaction*,
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struct sigaction*);
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extern int collector_sigchld_sigaction (const struct sigaction*,
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struct sigaction*);
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extern int
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__collector_log_write (char *format, ...) __attribute__ ((format (printf, 1, 2)));
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/* ------- internal global data ----------------- */
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/* These will not be exported from libcollector.so */
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extern struct Heap *__collector_heap;
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/* experiment state flag */
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typedef enum
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{
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EXP_INIT, EXP_OPEN, EXP_PAUSED, EXP_CLOSED
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} sp_state_t;
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extern volatile sp_state_t __collector_expstate;
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/* global flag, defines whether target is threaded or not
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* if set, put _lwp_self() for thread id instead of thr_self()
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* in output packets; should be set before any data packets
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* are written, i.e., before signal handlers are installed.
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*/
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extern int __collector_no_threads;
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extern int __collector_libthread_T1; /* T1 or not T1 */
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extern int __collector_sample_sig; /* set to signal used to trigger a sample */
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extern int __collector_sample_sig_warn; /* if 1, warning given on target use */
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extern int __collector_pause_sig; /* set to signal used to toggle pause-resume */
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extern int __collector_pause_sig_warn; /* if 1, warning given on target use */
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extern hrtime_t __collector_delay_start;
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extern int __collector_exp_active;
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/* global hrtime_t for next periodic sample */
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extern hrtime_t __collector_next_sample;
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extern int __collector_sample_period;
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/* global hrtime_t for experiment termination (-t) */
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extern hrtime_t __collector_terminate_time;
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extern int __collector_terminate_duration;
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extern char __collector_exp_dir_name[];
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extern int __collector_java_mode;
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extern int __collector_java_asyncgetcalltrace_loaded;
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extern int __collector_jprofile_start_attach ();
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/* --------- information controlling debug tracing ------------- */
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/* global flag, defines level of trace information */
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extern void __collector_dlog (int, int, char *, ...) __attribute__ ((format (printf, 3, 4)));
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#define STR(x) ((x) ? (x) : "NULL")
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// To set collector_debug_opt use:
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// SP_COLLECTOR_DEBUG=4 ; export SP_COLLECTOR_DEBUG ; collect ...
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enum
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{
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SP_DUMP_TIME = 1,
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SP_DUMP_FLAG = 2,
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SP_DUMP_JAVA = 4,
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SP_DUMP_NOHEADER = 8,
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SP_DUMP_UNWIND = 16,
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SP_DUMP_STACK = 32,
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};
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#ifndef DEBUG
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#define DprintfT(flag, ...)
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#define tprintf(...)
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#define Tprintf(...)
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#define TprintfT(...)
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#else
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#define DprintfT(flag, ...) __collector_dlog(SP_DUMP_FLAG | (flag), 0, __VA_ARGS__ )
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#define tprintf(...) __collector_dlog( SP_DUMP_NOHEADER, __VA_ARGS__ )
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#define Tprintf(...) __collector_dlog( 0, __VA_ARGS__ )
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#define TprintfT(...) __collector_dlog( SP_DUMP_TIME, __VA_ARGS__ )
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#endif /* DEBUG */
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// To find the glibc version:
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// objdump -T /lib*/*so /lib*/*/*.so | grep popen
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// IMPORTANT: The GLIBC_* versions below must match those in mapfile.<variant>
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#if ARCH(Aarch64)
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#define SYS_LIBC_NAME "libc.so.6"
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#define SYS_PTHREAD_CREATE_VERSION "GLIBC_2.17"
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#define SYS_DLOPEN_VERSION "GLIBC_2.17"
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#define SYS_POPEN_VERSION "GLIBC_2.17"
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#define SYS_FOPEN_X_VERSION "GLIBC_2.17"
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#define SYS_FGETPOS_X_VERSION "GLIBC_2.17"
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#elif ARCH(Intel)
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#define SYS_LIBC_NAME "libc.so.6"
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#define SYS_POSIX_SPAWN_VERSION "GLIBC_2.15"
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#if WSIZE(32)
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#define SYS_PTHREAD_CREATE_VERSION "GLIBC_2.1"
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#define SYS_DLOPEN_VERSION "GLIBC_2.1"
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#define SYS_POPEN_VERSION "GLIBC_2.1"
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#define SYS_TIMER_X_VERSION "GLIBC_2.2"
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#define SYS_FOPEN_X_VERSION "GLIBC_2.1"
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#define SYS_FGETPOS_X_VERSION "GLIBC_2.2"
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#define SYS_FGETPOS64_X_VERSION "GLIBC_2.2"
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#define SYS_OPEN64_X_VERSION "GLIBC_2.2"
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#define SYS_PREAD_X_VERSION "GLIBC_2.2"
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#define SYS_PWRITE_X_VERSION "GLIBC_2.2"
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#define SYS_PWRITE64_X_VERSION "GLIBC_2.2"
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#else /* WSIZE(64) */
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#define SYS_PTHREAD_CREATE_VERSION "GLIBC_2.2.5"
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#define SYS_DLOPEN_VERSION "GLIBC_2.2.5"
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#define SYS_POPEN_VERSION "GLIBC_2.2.5"
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#define SYS_TIMER_X_VERSION "GLIBC_2.3.3"
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#define SYS_FOPEN_X_VERSION "GLIBC_2.2.5"
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#define SYS_FGETPOS_X_VERSION "GLIBC_2.2.5"
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#endif
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#elif ARCH(SPARC)
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#define SYS_LIBC_NAME "libc.so.6"
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#define SYS_DLOPEN_VERSION "GLIBC_2.1"
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#if WSIZE(32)
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#define SYS_PTHREAD_CREATE_VERSION "GLIBC_2.1"
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#define SYS_POPEN_VERSION "GLIBC_2.1"
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#define SYS_FOPEN_X_VERSION "GLIBC_2.1"
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#define SYS_FGETPOS_X_VERSION "GLIBC_2.2"
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#else /* WSIZE(64) */
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#define SYS_PTHREAD_CREATE_VERSION "GLIBC_2.2"
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#define SYS_POPEN_VERSION "GLIBC_2.2"
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#define SYS_TIMER_X_VERSION "GLIBC_2.3.3"
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#define SYS_FOPEN_X_VERSION "GLIBC_2.2"
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#define SYS_FGETPOS_X_VERSION "GLIBC_2.2"
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#endif
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#endif
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#endif
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