aboutsummaryrefslogtreecommitdiff
path: root/sys/arm/include/elf.h
diff options
context:
space:
mode:
Diffstat (limited to 'sys/arm/include/elf.h')
-rw-r--r--sys/arm/include/elf.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/sys/arm/include/elf.h b/sys/arm/include/elf.h
new file mode 100644
index 000000000000..48925c9da8c4
--- /dev/null
+++ b/sys/arm/include/elf.h
@@ -0,0 +1,111 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2001 David E. O'Brien
+ * 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.
+ */
+
+#ifndef _MACHINE_ELF_H_
+#define _MACHINE_ELF_H_ 1
+
+/*
+ * EABI ELF definitions for the StrongARM architecture.
+ * See "ARM ELF", document no. `SWS ESPC 0003 A-08' for details.
+ */
+
+#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
+
+#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */
+#include <sys/elf_generic.h>
+
+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;
+
+__ElfType(Auxinfo);
+
+#define ELF_ARCH EM_ARM
+
+#define ELF_MACHINE_OK(x) ((x) == EM_ARM)
+
+/*
+ * Relocation types.
+ */
+
+#define R_ARM_COUNT 33 /* Count of defined relocation types. */
+
+/* Define "machine" characteristics */
+#define ELF_TARG_CLASS ELFCLASS32
+#ifdef __ARMEB__
+#define ELF_TARG_DATA ELFDATA2MSB
+#else
+#define ELF_TARG_DATA ELFDATA2LSB
+#endif
+#define ELF_TARG_MACH EM_ARM
+#define ELF_TARG_VER 1
+
+/* Defines specific for arm headers */
+#define EF_ARM_EABI_FREEBSD_MIN EF_ARM_EABI_VER4
+
+#define ET_DYN_LOAD_ADDR 0x01001000
+
+/* Flags passed in AT_HWCAP. */
+#define HWCAP_SWP 0x00000001 /* Unsupported, never set. */
+#define HWCAP_HALF 0x00000002 /* Always set. */
+#define HWCAP_THUMB 0x00000004
+#define HWCAP_26BIT 0x00000008 /* Unsupported, never set. */
+#define HWCAP_FAST_MULT 0x00000010 /* Always set. */
+#define HWCAP_FPA 0x00000020 /* Unsupported, never set. */
+#define HWCAP_VFP 0x00000040
+#define HWCAP_EDSP 0x00000080 /* Always set for ARMv6+. */
+#define HWCAP_JAVA 0x00000100 /* Unsupported, never set. */
+#define HWCAP_IWMMXT 0x00000200 /* Unsupported, never set. */
+#define HWCAP_CRUNCH 0x00000400 /* Unsupported, never set. */
+#define HWCAP_THUMBEE 0x00000800
+#define HWCAP_NEON 0x00001000
+#define HWCAP_VFPv3 0x00002000
+#define HWCAP_VFPv3D16 0x00004000
+#define HWCAP_TLS 0x00008000 /* Always set for ARMv6+. */
+#define HWCAP_VFPv4 0x00010000
+#define HWCAP_IDIVA 0x00020000
+#define HWCAP_IDIVT 0x00040000
+#define HWCAP_VFPD32 0x00080000
+#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT)
+#define HWCAP_LPAE 0x00100000
+#define HWCAP_EVTSTRM 0x00200000 /* Not implemented yet. */
+
+/* Flags passed in AT_HWCAP2. */
+#define HWCAP2_AES 0x00000001
+#define HWCAP2_PMULL 0x00000002
+#define HWCAP2_SHA1 0x00000004
+#define HWCAP2_SHA2 0x00000008
+#define HWCAP2_CRC32 0x00000010
+
+#endif /* !_MACHINE_ELF_H_ */