1/* Copyright (C) 2021-2024 Free Software Foundation, Inc. 2 Contributed by Oracle. 3 4 This file is part of GNU Binutils. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21/* Lineage events for process fork, exec, etc. */ 22 23#ifndef DESCENDANTS_H 24#define DESCENDANTS_H 25 26#include <dlfcn.h> 27#include <errno.h> 28#include <fcntl.h> 29#include <alloca.h> 30#include <assert.h> 31 32#include "gp-defs.h" 33#include "gp-experiment.h" 34#include "collector.h" 35#include "memmgr.h" 36#include "cc_libcollector.h" 37#include "tsd.h" 38 39/* configuration, not changed after init. */ 40typedef enum 41{ 42 LM_DORMANT = -2, /* env vars preserved, not recording */ 43 LM_CLOSED = -1, /* env vars cleared, not recording */ 44 LM_TRACK_LINEAGE = 1, /* env vars preserved, recording */ 45} line_mode_t; 46 47extern line_mode_t line_mode; 48extern int user_follow_mode; 49extern int java_mode; 50extern int dbg_current_mode; /* for debug only */ 51extern unsigned line_key; 52extern char **sp_env_backup; 53 54#define INIT_REENTRANCE(x) ((x) = __collector_tsd_get_by_key (line_key)) 55#define CHCK_REENTRANCE(x) (((INIT_REENTRANCE(x)) == NULL) || (*(x) != 0)) 56#define PUSH_REENTRANCE(x) ((*(x))++) 57#define POP_REENTRANCE(x) ((*(x))--) 58 59/* environment variables that must be forwarded to descendents */ 60#define SP_COLLECTOR_PARAMS "SP_COLLECTOR_PARAMS" 61#define SP_COLLECTOR_EXPNAME "SP_COLLECTOR_EXPNAME" 62#define SP_COLLECTOR_FOLLOW_SPEC "SP_COLLECTOR_FOLLOW_SPEC" 63#define SP_COLLECTOR_FOUNDER "SP_COLLECTOR_FOUNDER" 64#define SP_PRELOAD_STRINGS "SP_COLLECTOR_PRELOAD" 65#define LD_PRELOAD_STRINGS "LD_PRELOAD" 66#define SP_LIBPATH_STRINGS "SP_COLLECTOR_LIBRARY_PATH" 67#define LD_LIBPATH_STRINGS "LD_LIBRARY_PATH" 68#define JAVA_TOOL_OPTIONS "JAVA_TOOL_OPTIONS" 69#define COLLECTOR_JVMTI_OPTION "-agentlib:gp-collector" 70 71extern int __collector_linetrace_shutdown_hwcs_6830763_XXXX; 72extern void __collector_env_unset (char *envp[]); 73extern void __collector_env_save_preloads (); 74extern char ** __collector_env_backup (); 75extern void __collector_env_backup_free (); 76extern void __collector_env_update (char *envp[]); 77extern void __collector_env_print (char *label); 78extern void __collector_env_printall (char *label, char *envp[]); 79extern char ** __collector_env_allocate (char *const old_env[], int allocate_env); 80 81#endif 82