1 files changed, 62 insertions, 13 deletions

diff --git a/include/asm-sh/elf.h b/include/asm-sh/elf.h
index 12cc4b392bf0..05092da1aa59 100644
--- a/include/asm-sh/elf.h
+++ b/include/asm-sh/elf.h
@@ -5,7 +5,7 @@
 #include <asm/ptrace.h>
 #include <asm/user.h>
 
-/* SH relocation types  */
+/* SH (particularly SHcompact) relocation types  */
 #define R_SH_NONE               0
 #define R_SH_DIR32              1
 #define R_SH_REL32              2
@@ -43,6 +43,11 @@
 #define R_SH_RELATIVE           165
 #define R_SH_GOTOFF             166
 #define R_SH_GOTPC              167
+/* SHmedia relocs */
+#define R_SH_IMM_LOW16          246
+#define R_SH_IMM_LOW16_PCREL    247
+#define R_SH_IMM_MEDLOW16       248
+#define R_SH_IMM_MEDLOW16_PCREL 249
 /* Keep this the last entry.  */
 #define R_SH_NUM                256
 
@@ -58,11 +63,6 @@ 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_SH )
-
-/*
  * These are used to set parameters in the core dumps.
  */
 #define ELF_CLASS       ELFCLASS32
@@ -73,6 +73,12 @@ typedef struct user_fpu_struct elf_fpregset_t;
 #endif
 #define ELF_ARCH        EM_SH
 
+#ifdef __KERNEL__
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ( (x)->e_machine == EM_SH )
+
 #define USE_ELF_CORE_DUMP
 #define ELF_EXEC_PAGESIZE       PAGE_SIZE
 
@@ -83,7 +89,6 @@ typedef struct user_fpu_struct elf_fpregset_t;
 
 #define ELF_ET_DYN_BASE         (2 * TASK_SIZE / 3)
 
-
 #define ELF_CORE_COPY_REGS(_dest,_regs)                         \
         memcpy((char *) &_dest, (char *) _regs,                 \
                sizeof(struct pt_regs));
@@ -101,16 +106,38 @@ typedef struct user_fpu_struct elf_fpregset_t;
    For the moment, we have only optimizations for the Intel generations,
    but that could change... */
 
-#define ELF_PLATFORM  (NULL)
+#define ELF_PLATFORM    (utsname()->machine)
 
+#ifdef __SH5__
+#define ELF_PLAT_INIT(_r, load_addr) \
+  do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
+       _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
+       _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
+       _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \
+       _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \
+       _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \
+       _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \
+       _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \
+       _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \
+       _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \
+       _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \
+       _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \
+       _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \
+       _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \
+       _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \
+       _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \
+       _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \
+       _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \
+       _r->sr = SR_FD | SR_MMU; } while (0)
+#else
 #define ELF_PLAT_INIT(_r, load_addr) \
   do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
        _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
        _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
        _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
        _r->sr = SR_FD; } while (0)
+#endif
 
-#ifdef __KERNEL__
 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
 struct task_struct;
 extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
@@ -118,7 +145,6 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
 
 #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-#endif
 
 #ifdef CONFIG_VSYSCALL
 /* vDSO has arch_setup_additional_pages */
@@ -133,12 +159,35 @@ extern void __kernel_vsyscall;
 #define VDSO_BASE               ((unsigned long)current->mm->context.vdso)
 #define VDSO_SYM(x)             (VDSO_BASE + (unsigned long)(x))
 
+#define VSYSCALL_AUX_ENT                                        \
+        if (vdso_enabled)                                       \
+                NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);
+#else
+#define VSYSCALL_AUX_ENT
+#endif /* CONFIG_VSYSCALL */
+
+#ifdef CONFIG_SH_FPU
+#define FPU_AUX_ENT     NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT)
+#else
+#define FPU_AUX_ENT
+#endif
+
+extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape;
+
 /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
 #define ARCH_DLINFO                                             \
 do {                                                            \
-        if (vdso_enabled)                                       \
-                NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);        \
+        /* Optional FPU initialization */                       \
+        FPU_AUX_ENT;                                            \
+                                                                \
+        /* Optional vsyscall entry */                           \
+        VSYSCALL_AUX_ENT;                                       \
+                                                                \
+        /* Cache desc */                                        \
+        NEW_AUX_ENT(AT_L1I_CACHESHAPE, l1i_cache_shape);        \
+        NEW_AUX_ENT(AT_L1D_CACHESHAPE, l1d_cache_shape);        \
+        NEW_AUX_ENT(AT_L2_CACHESHAPE, l2_cache_shape);          \
 } while (0)
-#endif /* CONFIG_VSYSCALL */
 
+#endif /* __KERNEL__ */
 #endif /* __ASM_SH_ELF_H */