gprofng: a new GNU profiler

top-level
	* Makefile.def: Add gprofng module.
	* configure.ac: Add --enable-gprofng option.
	* src-release.sh: Add gprofng.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* gprofng: New directory.

binutils
	* MAINTAINERS: Add gprofng maintainer.
	* README-how-to-make-a-release: Add gprofng.

include.
	* collectorAPI.h: New file.
	* libcollector.h: New file.
	* libfcollector.h: New file.

1 files changed, 81 insertions, 0 deletions

diff --git a/gprofng/libcollector/descendants.h b/gprofng/libcollector/descendants.h
new file mode 100644
index 0000000..8fa18c8
--- /dev/null
+++ b/gprofng/libcollector/descendants.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Oracle.
+
+   This file is part of GNU Binutils.
+
+   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 3, 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, 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+/* Lineage events for process fork, exec, etc. */
+
+#ifndef DESCENDANTS_H
+#define DESCENDANTS_H
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <alloca.h>
+#include <assert.h>
+
+#include "gp-defs.h"
+#include "gp-experiment.h"
+#include "collector.h"
+#include "memmgr.h"
+#include "cc_libcollector.h"
+#include "tsd.h"
+
+/* configuration, not changed after init. */
+typedef enum
+{
+  LM_DORMANT        = -2,   /* env vars preserved, not recording */
+  LM_CLOSED         = -1,   /* env vars cleared, not recording */
+  LM_TRACK_LINEAGE  = 1,    /* env vars preserved, recording */
+} line_mode_t;
+
+extern line_mode_t line_mode;
+extern int user_follow_mode;
+extern int java_mode;
+extern int dbg_current_mode; 	/* for debug only */
+extern unsigned line_key;
+extern char **sp_env_backup;
+
+#define INIT_REENTRANCE(x)  ((x) = __collector_tsd_get_by_key (line_key))
+#define CHCK_REENTRANCE(x)  (((INIT_REENTRANCE(x)) == NULL) || (*(x) != 0))
+#define PUSH_REENTRANCE(x)  ((*(x))++)
+#define POP_REENTRANCE(x)   ((*(x))--)
+
+/* environment variables that must be forwarded to descendents */
+#define SP_COLLECTOR_PARAMS         "SP_COLLECTOR_PARAMS"
+#define SP_COLLECTOR_EXPNAME        "SP_COLLECTOR_EXPNAME"
+#define SP_COLLECTOR_FOLLOW_SPEC    "SP_COLLECTOR_FOLLOW_SPEC"
+#define SP_COLLECTOR_FOUNDER        "SP_COLLECTOR_FOUNDER"
+#define SP_PRELOAD_STRINGS          "SP_COLLECTOR_PRELOAD"
+#define LD_PRELOAD_STRINGS          "LD_PRELOAD"
+#define SP_LIBPATH_STRINGS          "SP_COLLECTOR_LIBRARY_PATH"
+#define LD_LIBPATH_STRINGS          "LD_LIBRARY_PATH"
+#define JAVA_TOOL_OPTIONS          "JAVA_TOOL_OPTIONS"
+#define COLLECTOR_JVMTI_OPTION     "-agentlib:gp-collector"
+
+extern int __collector_linetrace_shutdown_hwcs_6830763_XXXX;
+extern void __collector_env_unset (char *envp[]);
+extern void __collector_env_save_preloads ();
+extern char ** __collector_env_backup ();
+extern void __collector_env_backup_free ();
+extern void __collector_env_update (char *envp[]);
+extern void __collector_env_print (char *label);
+extern void __collector_env_printall (char *label, char *envp[]);
+extern char ** __collector_env_allocate (char *const old_env[], int allocate_env);
+
+#endif