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authorjdp <jdp@FreeBSD.org>1997-05-21 23:07:31 +0000
committerjdp <jdp@FreeBSD.org>1997-05-21 23:07:31 +0000
commita57b7759a5c877fc07cfd3ce98eefc8dc1524d82 (patch)
tree7802645405ee54b3e20f764f74b2ce5908cc7e4f /sys/amd64/include/elf.h
parent0f85b0a29a90485a34342f497f7a499943150c6a (diff)
downloadFreeBSD-src-a57b7759a5c877fc07cfd3ce98eefc8dc1524d82.zip
FreeBSD-src-a57b7759a5c877fc07cfd3ce98eefc8dc1524d82.tar.gz
Fill out the ELF header files to make them more or less complete.
Fix a macro name that was misspelled both in brandelf.c and imgact_elf.h.
Diffstat (limited to 'sys/amd64/include/elf.h')
-rw-r--r--sys/amd64/include/elf.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/sys/amd64/include/elf.h b/sys/amd64/include/elf.h
new file mode 100644
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+++ b/sys/amd64/include/elf.h
@@ -0,0 +1,106 @@
+/*-
+ * Copyright (c) 1996-1997 John D. Polstra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id$
+ */
+
+#ifndef _MACHINE_ELF_H_
+#define _MACHINE_ELF_H_ 1
+
+/*
+ * ELF definitions for the i386 architecture.
+ */
+
+#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
+
+/*
+ * Auxiliary vector entries for passing information to the interpreter.
+ *
+ * The i386 supplement to the SVR4 ABI specification names this "auxv_t",
+ * but POSIX lays claim to all symbols ending with "_t".
+ */
+
+typedef struct { /* Auxiliary vector entry on initial stack */
+ int a_type; /* Entry type. */
+ union {
+ long a_val; /* Integer value. */
+ void *a_ptr; /* Address. */
+ void (*a_fcn)(void); /* Function pointer (not used). */
+ } a_un;
+} Elf32_Auxinfo;
+
+/* Values for a_type. */
+#define AT_NULL 0 /* Terminates the vector. */
+#define AT_IGNORE 1 /* Ignored entry. */
+#define AT_EXECFD 2 /* File descriptor of program to load. */
+#define AT_PHDR 3 /* Program header of program already loaded. */
+#define AT_PHENT 4 /* Size of each program header entry. */
+#define AT_PHNUM 5 /* Number of program header entries. */
+#define AT_PAGESZ 6 /* Page size in bytes. */
+#define AT_BASE 7 /* Interpreter's base address. */
+#define AT_FLAGS 8 /* Flags (unused for i386). */
+#define AT_ENTRY 9 /* Where interpreter should transfer control. */
+
+/*
+ * The following non-standard values are used for passing information
+ * from John Polstra's testbed program to the dynamic linker. These
+ * are expected to go away soon.
+ *
+ * Unfortunately, these overlap the Linux non-standard values, so they
+ * must not be used in the same context.
+ */
+#define AT_BRK 10 /* Starting point for sbrk and brk. */
+#define AT_DEBUG 11 /* Debugging level. */
+
+/*
+ * The following non-standard values are used in Linux ELF binaries.
+ */
+#define AT_NOTELF 10 /* Program is not ELF ?? */
+#define AT_UID 11 /* Real uid. */
+#define AT_EUID 12 /* Effective uid. */
+#define AT_GID 13 /* Real gid. */
+#define AT_EGID 14 /* Effective gid. */
+
+#define AT_COUNT 15 /* Count of defined aux entry types. */
+
+/*
+ * Relocation types.
+ */
+
+#define R_386_NONE 0 /* No relocation. */
+#define R_386_32 1 /* Add symbol value. */
+#define R_386_PC32 2 /* Add PC-relative symbol value. */
+#define R_386_GOT32 3 /* Add PC-relative GOT offset. */
+#define R_386_PLT32 4 /* Add PC-relative PLT offset. */
+#define R_386_COPY 5 /* Copy data from shared object. */
+#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */
+#define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */
+#define R_386_RELATIVE 8 /* Add load address of shared object. */
+#define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */
+#define R_386_GOTPC 10 /* Add PC-relative GOT table address. */
+
+#define R_386_COUNT 11 /* Count of defined relocation types. */
+
+#endif /* !_MACHINE_ELF_H_ */
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