[SPARC64]: Add sun4v case to __GET_CPUID() patch tables.

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / elf.h

diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h
index d22b10021b5d19bf2b46e9d1f83b2f8c0a324cd6..94d228f9c6ac0a799e2b431f6464b5e124c1258e 100644 (file)
--- a/include/asm-powerpc/elf.h
+++ b/include/asm-powerpc/elf.h
@@ -1,11 +1,16 @@
 #ifndef _ASM_POWERPC_ELF_H
 #define _ASM_POWERPC_ELF_H
 
+#ifdef __KERNEL__
+#include <linux/sched.h>       /* for task_struct */
+#endif
+
 #include <asm/types.h>
 #include <asm/ptrace.h>
 #include <asm/cputable.h>
 #include <asm/auxvec.h>
 #include <asm/page.h>
+#include <asm/string.h>
 
 /* PowerPC relocations defined by the ABIs */
 #define R_PPC_NONE             0
@@ -87,7 +92,6 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-#include <asm/ptrace.h>
 
 #define ELF_NGREG      48      /* includes nip, msr, lr, etc. */
 #define ELF_NFPREG     33      /* includes fpscr */
@@ -178,18 +182,22 @@ typedef elf_vrreg_t elf_vrregset_t32[ELF_NVRREG32];
 static inline void ppc_elf_core_copy_regs(elf_gregset_t elf_regs,
                                            struct pt_regs *regs)
 {
-       int i;
-       int gprs = sizeof(struct pt_regs)/sizeof(ELF_GREG_TYPE);
-
-       if (gprs > ELF_NGREG)
-               gprs = ELF_NGREG;
+       int i, nregs;
 
-       for (i=0; i < gprs; i++)
-               elf_regs[i] = (elf_greg_t)((ELF_GREG_TYPE *)regs)[i];
+       memset((void *)elf_regs, 0, sizeof(elf_gregset_t));
 
-       memset((char *)(elf_regs) + sizeof(struct pt_regs), 0,          \
-              sizeof(elf_gregset_t) - sizeof(struct pt_regs));
+       /* Our registers are always unsigned longs, whether we're a 32 bit
+        * process or 64 bit, on either a 64 bit or 32 bit kernel.
+        * Don't use ELF_GREG_TYPE here. */
+       nregs = sizeof(struct pt_regs) / sizeof(unsigned long);
+       if (nregs > ELF_NGREG)
+               nregs = ELF_NGREG;
 
+       for (i = 0; i < nregs; i++) {
+               /* This will correctly truncate 64 bit registers to 32 bits
+                * for a 32 bit process on a 64 bit kernel. */
+               elf_regs[i] = (elf_greg_t)((ELF_GREG_TYPE *)regs)[i];
+       }
 }
 #define ELF_CORE_COPY_REGS(gregs, regs) ppc_elf_core_copy_regs(gregs, regs);
 
@@ -213,20 +221,18 @@ extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
    instruction set this cpu supports.  This could be done in userspace,
    but it's not easy, and we've already done it here.  */
 # define ELF_HWCAP     (cur_cpu_spec->cpu_user_features)
-#ifdef __powerpc64__
-# define ELF_PLAT_INIT(_r, load_addr)  do {    \
-       _r->gpr[2] = load_addr;                 \
-} while (0)
-#endif /* __powerpc64__ */
 
 /* 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.
+   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   (cur_cpu_spec->platform)
 
-#define ELF_PLATFORM   (NULL)
+#ifdef __powerpc64__
+# define ELF_PLAT_INIT(_r, load_addr)  do {    \
+       _r->gpr[2] = load_addr;                 \
+} while (0)
+#endif /* __powerpc64__ */
 
 #ifdef __KERNEL__
 
@@ -263,14 +269,12 @@ extern int dcache_bsize;
 extern int icache_bsize;
 extern int ucache_bsize;
 
-#ifdef __powerpc64__
+/* vDSO has arch_setup_additional_pages */
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
 struct linux_binprm;
-#define ARCH_HAS_SETUP_ADDITIONAL_PAGES        /* vDSO has arch_setup_additional_pages */
-extern int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack);
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+                                      int executable_stack);
 #define VDSO_AUX_ENT(a,b) NEW_AUX_ENT(a,b);
-#else
-#define VDSO_AUX_ENT(a,b)
-#endif /* __powerpc64__ */
 
 /*
  * The requirements here are: