4984023 file and libelf is not able to handle core file greater than 2 Gb

1 files changed, 104 insertions, 0 deletions

diff --git a/usr/src/cmd/file/elf_read.h b/usr/src/cmd/file/elf_read.h
new file mode 100644
index 0000000000..3d05464e7c
--- /dev/null
+++ b/usr/src/cmd/file/elf_read.h
@@ -0,0 +1,104 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ELF_READ_H
+#define	_ELF_READ_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#define	BUFSZ 128
+typedef struct Elf_Info {
+	boolean_t	dynamic;	/* dymanically linked? */
+	unsigned	core_type;	/* core? what type of core? */
+	unsigned	stripped;	/* symtab, debug info */
+	unsigned	flags;		/* e_flags */
+	unsigned	machine;	/* e_machine */
+	unsigned	type;		/* e_type */
+	int		elffd;		/* fd of file being processed */
+	char		fname[PRFNSZ];	/* name of process that dumped core */
+	char		cap_str[BUFSZ];	/* hw/sw capabilities */
+	char		*file;		/* file being processed */
+} Elf_Info;
+
+/* values for Elf_Info.stripped */
+#define	E_DBGINF	0x01
+#define	E_SYMTAB	0x02
+#define	E_NOSTRIP	0x03
+
+/* values for Elf_Info.core_type; */
+#define	EC_NOTCORE	0x0
+#define	EC_OLDCORE	0x1
+#define	EC_NEWCORE	0x2
+
+/* elf file processing errors */
+#define	ELF_ERR_ELFCAP1	gettext("%s: %s zero size or zero entry ELF " \
+			    "section - ELF capabilities ignored\n")
+#define	ELF_ERR_ELFCAP2	gettext("%s: %s: can't read ELF capabilities " \
+			    "data - ELF capabilities ignored\n")
+
+extern int is_in_list(char *str);
+
+/* return status for elf_read and its helper functions */
+#define	ELF_READ_OKAY 1
+#define	ELF_READ_FAIL 0
+
+#if defined(_ELF64)
+
+#define	Elf_Ehdr	Elf64_Ehdr
+#define	Elf_Shdr	Elf64_Shdr
+#define	Elf_Phdr	Elf64_Phdr
+#define	Elf_Cap		Elf64_Cap
+#define	Elf_Nhdr	Elf64_Nhdr
+
+#define	elf_read	elf_read64
+#define	elf_xlatetom	elf64_xlatetom
+#define	elf_fsize	elf64_fsize
+#define	get_class	get_class64
+#define	get_version	get_version64
+#define	get_format	get_format64
+
+#else
+
+#define	Elf_Ehdr	Elf32_Ehdr
+#define	Elf_Shdr	Elf32_Shdr
+#define	Elf_Phdr	Elf32_Phdr
+#define	Elf_Cap		Elf32_Cap
+#define	Elf_Nhdr	Elf32_Nhdr
+
+#define	elf_read	elf_read32
+#define	elf_xlatetom	elf32_xlatetom
+#define	elf_fsize	elf32_fsize
+#define	get_class	get_class32
+#define	get_version	get_version32
+#define	get_format	get_format32
+
+#endif
+
+/* so lint can understand elf_read64 is defined */
+#ifdef lint
+#define	elf_read64	elf_read
+#endif /* lint */
+
+#endif /* _ELF_READ_H */