summaryrefslogtreecommitdiff
path: root/include/asm-v850/elf.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-v850/elf.h')
-rw-r--r--include/asm-v850/elf.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/include/asm-v850/elf.h b/include/asm-v850/elf.h
new file mode 100644
index 000000000000..7db8edffb1c6
--- /dev/null
+++ b/include/asm-v850/elf.h
@@ -0,0 +1,101 @@
+#ifndef __V850_ELF_H__
+#define __V850_ELF_H__
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+#include <asm/byteorder.h>
+
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct user_fpu_struct elf_fpregset_t;
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+ ((x)->e_machine == EM_V850 || (x)->e_machine == EM_CYGNUS_V850)
+
+
+/* v850 relocation types. */
+#define R_V850_NONE 0
+#define R_V850_9_PCREL 1
+#define R_V850_22_PCREL 2
+#define R_V850_HI16_S 3
+#define R_V850_HI16 4
+#define R_V850_LO16 5
+#define R_V850_32 6
+#define R_V850_16 7
+#define R_V850_8 8
+#define R_V850_SDA_16_16_OFFSET 9 /* For ld.b, st.b, set1, clr1,
+ not1, tst1, movea, movhi */
+#define R_V850_SDA_15_16_OFFSET 10 /* For ld.w, ld.h, ld.hu, st.w, st.h */
+#define R_V850_ZDA_16_16_OFFSET 11 /* For ld.b, st.b, set1, clr1,
+ not1, tst1, movea, movhi */
+#define R_V850_ZDA_15_16_OFFSET 12 /* For ld.w, ld.h, ld.hu, st.w, st.h */
+#define R_V850_TDA_6_8_OFFSET 13 /* For sst.w, sld.w */
+#define R_V850_TDA_7_8_OFFSET 14 /* For sst.h, sld.h */
+#define R_V850_TDA_7_7_OFFSET 15 /* For sst.b, sld.b */
+#define R_V850_TDA_16_16_OFFSET 16 /* For set1, clr1, not1, tst1,
+ movea, movhi */
+#define R_V850_NUM 17
+
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS ELFCLASS32
+#ifdef __LITTLE_ENDIAN__
+#define ELF_DATA ELFDATA2LSB
+#else
+#define ELF_DATA ELFDATA2MSB
+#endif
+#define ELF_ARCH EM_V850
+
+#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. This could be done in user space,
+ but it's not easy, and we've already done it here. */
+
+#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.
+
+ For the moment, we have only optimizations for the Intel generations,
+ but that could change... */
+
+#define ELF_PLATFORM (NULL)
+
+#define ELF_PLAT_INIT(_r, load_addr) \
+ do { \
+ _r->gpr[0] = _r->gpr[1] = _r->gpr[2] = _r->gpr[3] = \
+ _r->gpr[4] = _r->gpr[5] = _r->gpr[6] = _r->gpr[7] = \
+ _r->gpr[8] = _r->gpr[9] = _r->gpr[10] = _r->gpr[11] = \
+ _r->gpr[12] = _r->gpr[13] = _r->gpr[14] = _r->gpr[15] = \
+ _r->gpr[16] = _r->gpr[17] = _r->gpr[18] = _r->gpr[19] = \
+ _r->gpr[20] = _r->gpr[21] = _r->gpr[22] = _r->gpr[23] = \
+ _r->gpr[24] = _r->gpr[25] = _r->gpr[26] = _r->gpr[27] = \
+ _r->gpr[28] = _r->gpr[29] = _r->gpr[30] = _r->gpr[31] = \
+ 0; \
+ } while (0)
+
+#ifdef __KERNEL__
+#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
+#endif
+
+#endif /* __V850_ELF_H__ */