1 files changed, 122 insertions, 0 deletions

diff --git a/include/asm-m68k/elf.h b/include/asm-m68k/elf.h
new file mode 100644
index 000000000000..38bf8347f14d
--- /dev/null
+++ b/include/asm-m68k/elf.h
@@ -0,0 +1,122 @@
+#ifndef __ASMm68k_ELF_H
+#define __ASMm68k_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#include <linux/config.h>
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+/*
+ * 68k ELF relocation types
+ */
+#define R_68K_NONE      0
+#define R_68K_32        1
+#define R_68K_16        2
+#define R_68K_8         3
+#define R_68K_PC32      4
+#define R_68K_PC16      5
+#define R_68K_PC8       6
+#define R_68K_GOT32     7
+#define R_68K_GOT16     8
+#define R_68K_GOT8      9
+#define R_68K_GOT32O    10
+#define R_68K_GOT16O    11
+#define R_68K_GOT8O     12
+#define R_68K_PLT32     13
+#define R_68K_PLT16     14
+#define R_68K_PLT8      15
+#define R_68K_PLT32O    16
+#define R_68K_PLT16O    17
+#define R_68K_PLT8O     18
+#define R_68K_COPY      19
+#define R_68K_GLOB_DAT  20
+#define R_68K_JMP_SLOT  21
+#define R_68K_RELATIVE  22
+
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct user_m68kfp_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_68K)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS       ELFCLASS32
+#define ELF_DATA        ELFDATA2MSB
+#define ELF_ARCH        EM_68K
+
+/* For SVR4/m68k the function pointer to be registered with `atexit' is
+   passed in %a1.  Although my copy of the ABI has no such statement, it
+   is actually used on ASV.  */
+#define ELF_PLAT_INIT(_r, load_addr)    _r->a1 = 0
+
+#define USE_ELF_CORE_DUMP
+#ifndef CONFIG_SUN3
+#define ELF_EXEC_PAGESIZE       4096
+#else
+#define ELF_EXEC_PAGESIZE       8192
+#endif
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+   use of this is to invoke "./ld.so someprog" to test out a new version of
+   the loader.  We need to make sure that it is out of the way of the program
+   that it will "exec", and that there is sufficient room for the brk.  */
+
+#ifndef CONFIG_SUN3
+#define ELF_ET_DYN_BASE         0xD0000000UL
+#else
+#define ELF_ET_DYN_BASE         0x0D800000UL
+#endif
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs)                                \
+        /* Bleech. */                                                   \
+        pr_reg[0] = regs->d1;                                           \
+        pr_reg[1] = regs->d2;                                           \
+        pr_reg[2] = regs->d3;                                           \
+        pr_reg[3] = regs->d4;                                           \
+        pr_reg[4] = regs->d5;                                           \
+        pr_reg[7] = regs->a0;                                           \
+        pr_reg[8] = regs->a1;                                           \
+        pr_reg[9] = regs->a2;                                           \
+        pr_reg[14] = regs->d0;                                          \
+        pr_reg[15] = rdusp();                                           \
+        pr_reg[16] = regs->orig_d0;                                     \
+        pr_reg[17] = regs->sr;                                          \
+        pr_reg[18] = regs->pc;                                          \
+        pr_reg[19] = (regs->format << 12) | regs->vector;               \
+        {                                                               \
+          struct switch_stack *sw = ((struct switch_stack *)regs) - 1;  \
+          pr_reg[5] = sw->d6;                                           \
+          pr_reg[6] = sw->d7;                                           \
+          pr_reg[10] = sw->a3;                                          \
+          pr_reg[11] = sw->a4;                                          \
+          pr_reg[12] = sw->a5;                                          \
+          pr_reg[13] = sw->a6;                                          \
+        }
+
+/* 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)
+
+#ifdef __KERNEL__
+#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
+#endif
+
+#endif