1 /* Copyright (C) 2021-2023 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
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)
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.
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. */
21 /* Lineage events for process fork, exec, etc. */
33 #include "gp-experiment.h"
34 #include "collector.h"
36 #include "cc_libcollector.h"
39 /* configuration, not changed after init. */
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 */
47 extern line_mode_t line_mode
;
48 extern int user_follow_mode
;
50 extern int dbg_current_mode
; /* for debug only */
51 extern unsigned line_key
;
52 extern char **sp_env_backup
;
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))--)
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"
71 extern int __collector_linetrace_shutdown_hwcs_6830763_XXXX
;
72 extern void __collector_env_unset (char *envp
[]);
73 extern void __collector_env_save_preloads ();
74 extern char ** __collector_env_backup ();
75 extern void __collector_env_backup_free ();
76 extern void __collector_env_update (char *envp
[]);
77 extern void __collector_env_print (char *label
);
78 extern void __collector_env_printall (char *label
, char *envp
[]);
79 extern char ** __collector_env_allocate (char *const old_env
[], int allocate_env
);