C6X: headers
Original port to early 2.6 kernel using TI COFF toolchain.
Brought up to date by Mark Salter <msalter@redhat.com>
Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/c6x/include/asm/elf.h b/arch/c6x/include/asm/elf.h
new file mode 100644
index 0000000..d57865b
--- /dev/null
+++ b/arch/c6x/include/asm/elf.h
@@ -0,0 +1,113 @@
+/*
+ * Port on Texas Instruments TMS320C6x architecture
+ *
+ * Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated
+ * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _ASM_C6X_ELF_H
+#define _ASM_C6X_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+#include <asm/ptrace.h>
+
+typedef unsigned long elf_greg_t;
+typedef unsigned long elf_fpreg_t;
+
+#define ELF_NGREG 58
+#define ELF_NFPREG 1
+
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ((x)->e_machine == EM_TI_C6000)
+
+#define elf_check_const_displacement(x) (1)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#ifdef __LITTLE_ENDIAN__
+#define ELF_DATA ELFDATA2LSB
+#else
+#define ELF_DATA ELFDATA2MSB
+#endif
+
+#define ELF_CLASS ELFCLASS32
+#define ELF_ARCH EM_TI_C6000
+
+/* Nothing for now. Need to setup DP... */
+#define ELF_PLAT_INIT(_r)
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE 4096
+
+#define ELF_CORE_COPY_REGS(_dest, _regs) \
+ memcpy((char *) &_dest, (char *) _regs, \
+ sizeof(struct pt_regs));
+
+/* This yields a mask that user programs can use to figure out what
+ instruction set this cpu supports. */
+
+#define ELF_HWCAP (0)
+
+/* This yields a string that ld.so will use to load implementation
+ specific libraries for optimization. This is more specific in
+ intent than poking at uname or /proc/cpuinfo. */
+
+#define ELF_PLATFORM (NULL)
+
+#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
+
+/* C6X specific section types */
+#define SHT_C6000_UNWIND 0x70000001
+#define SHT_C6000_PREEMPTMAP 0x70000002
+#define SHT_C6000_ATTRIBUTES 0x70000003
+
+/* C6X specific DT_ tags */
+#define DT_C6000_DSBT_BASE 0x70000000
+#define DT_C6000_DSBT_SIZE 0x70000001
+#define DT_C6000_PREEMPTMAP 0x70000002
+#define DT_C6000_DSBT_INDEX 0x70000003
+
+/* C6X specific relocs */
+#define R_C6000_NONE 0
+#define R_C6000_ABS32 1
+#define R_C6000_ABS16 2
+#define R_C6000_ABS8 3
+#define R_C6000_PCR_S21 4
+#define R_C6000_PCR_S12 5
+#define R_C6000_PCR_S10 6
+#define R_C6000_PCR_S7 7
+#define R_C6000_ABS_S16 8
+#define R_C6000_ABS_L16 9
+#define R_C6000_ABS_H16 10
+#define R_C6000_SBR_U15_B 11
+#define R_C6000_SBR_U15_H 12
+#define R_C6000_SBR_U15_W 13
+#define R_C6000_SBR_S16 14
+#define R_C6000_SBR_L16_B 15
+#define R_C6000_SBR_L16_H 16
+#define R_C6000_SBR_L16_W 17
+#define R_C6000_SBR_H16_B 18
+#define R_C6000_SBR_H16_H 19
+#define R_C6000_SBR_H16_W 20
+#define R_C6000_SBR_GOT_U15_W 21
+#define R_C6000_SBR_GOT_L16_W 22
+#define R_C6000_SBR_GOT_H16_W 23
+#define R_C6000_DSBT_INDEX 24
+#define R_C6000_PREL31 25
+#define R_C6000_COPY 26
+#define R_C6000_ALIGN 253
+#define R_C6000_FPHEAD 254
+#define R_C6000_NOCMP 255
+
+#endif /*_ASM_C6X_ELF_H */