1 files changed, 217 insertions, 0 deletions

diff --git a/include/asm-sparc/elf_64.h b/include/asm-sparc/elf_64.h
new file mode 100644
index 000000000000..0818a1308f4e
--- /dev/null
+++ b/include/asm-sparc/elf_64.h
@@ -0,0 +1,217 @@
+#ifndef __ASM_SPARC64_ELF_H
+#define __ASM_SPARC64_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/processor.h>
+#include <asm/uaccess.h>
+#include <asm/spitfire.h>
+
+/*
+ * Sparc section types
+ */
+#define STT_REGISTER            13
+
+/*
+ * Sparc ELF relocation types
+ */
+#define R_SPARC_NONE            0
+#define R_SPARC_8               1
+#define R_SPARC_16              2
+#define R_SPARC_32              3
+#define R_SPARC_DISP8           4
+#define R_SPARC_DISP16          5
+#define R_SPARC_DISP32          6
+#define R_SPARC_WDISP30         7
+#define R_SPARC_WDISP22         8
+#define R_SPARC_HI22            9
+#define R_SPARC_22              10
+#define R_SPARC_13              11
+#define R_SPARC_LO10            12
+#define R_SPARC_GOT10           13
+#define R_SPARC_GOT13           14
+#define R_SPARC_GOT22           15
+#define R_SPARC_PC10            16
+#define R_SPARC_PC22            17
+#define R_SPARC_WPLT30          18
+#define R_SPARC_COPY            19
+#define R_SPARC_GLOB_DAT        20
+#define R_SPARC_JMP_SLOT        21
+#define R_SPARC_RELATIVE        22
+#define R_SPARC_UA32            23
+#define R_SPARC_PLT32           24
+#define R_SPARC_HIPLT22         25
+#define R_SPARC_LOPLT10         26
+#define R_SPARC_PCPLT32         27
+#define R_SPARC_PCPLT22         28
+#define R_SPARC_PCPLT10         29
+#define R_SPARC_10              30
+#define R_SPARC_11              31
+#define R_SPARC_64              32
+#define R_SPARC_OLO10           33
+#define R_SPARC_WDISP16         40
+#define R_SPARC_WDISP19         41
+#define R_SPARC_7               43
+#define R_SPARC_5               44
+#define R_SPARC_6               45
+
+/* Bits present in AT_HWCAP, primarily for Sparc32.  */
+
+#define HWCAP_SPARC_FLUSH       1    /* CPU supports flush instruction. */
+#define HWCAP_SPARC_STBAR       2
+#define HWCAP_SPARC_SWAP        4
+#define HWCAP_SPARC_MULDIV      8
+#define HWCAP_SPARC_V9          16
+#define HWCAP_SPARC_ULTRA3      32
+#define HWCAP_SPARC_BLKINIT     64
+#define HWCAP_SPARC_N2          128
+
+#define CORE_DUMP_USE_REGSET
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_ARCH                EM_SPARCV9
+#define ELF_CLASS               ELFCLASS64
+#define ELF_DATA                ELFDATA2MSB
+
+/* Format of 64-bit elf_gregset_t is:
+ *      G0 --> G7
+ *      O0 --> O7
+ *      L0 --> L7
+ *      I0 --> I7
+ *      TSTATE
+ *      TPC
+ *      TNPC
+ *      Y
+ */
+typedef unsigned long elf_greg_t;
+#define ELF_NGREG 36
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct {
+        unsigned long   pr_regs[32];
+        unsigned long   pr_fsr;
+        unsigned long   pr_gsr;
+        unsigned long   pr_fprs;
+} elf_fpregset_t;
+
+/* Format of 32-bit elf_gregset_t is:
+ *      G0 --> G7
+ *      O0 --> O7
+ *      L0 --> L7
+ *      I0 --> I7
+ *      PSR, PC, nPC, Y, WIM, TBR
+ */
+typedef unsigned int compat_elf_greg_t;
+#define COMPAT_ELF_NGREG 38
+typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
+
+typedef struct {
+        union {
+                unsigned int    pr_regs[32];
+                unsigned long   pr_dregs[16];
+        } pr_fr;
+        unsigned int __unused;
+        unsigned int    pr_fsr;
+        unsigned char   pr_qcnt;
+        unsigned char   pr_q_entrysize;
+        unsigned char   pr_en;
+        unsigned int    pr_q[64];
+} compat_elf_fpregset_t;
+
+/* UltraSparc extensions.  Still unused, but will be eventually.  */
+typedef struct {
+        unsigned int pr_type;
+        unsigned int pr_align;
+        union {
+                struct {
+                        union {
+                                unsigned int    pr_regs[32];
+                                unsigned long   pr_dregs[16];
+                                long double     pr_qregs[8];
+                        } pr_xfr;
+                } pr_v8p;
+                unsigned int    pr_xfsr;
+                unsigned int    pr_fprs;
+                unsigned int    pr_xg[8];
+                unsigned int    pr_xo[8];
+                unsigned long   pr_tstate;
+                unsigned int    pr_filler[8];
+        } pr_un;
+} elf_xregset_t;
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x)               ((x)->e_machine == ELF_ARCH)
+#define compat_elf_check_arch(x)        ((x)->e_machine == EM_SPARC || \
+                                         (x)->e_machine == EM_SPARC32PLUS)
+#define compat_start_thread             start_thread32
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE       PAGE_SIZE
+
+/* 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.  */
+
+#define ELF_ET_DYN_BASE         0x0000010000000000UL
+#define COMPAT_ELF_ET_DYN_BASE  0x0000000070000000UL
+
+
+/* This yields a mask that user programs can use to figure out what
+   instruction set this cpu supports.  */
+
+/* On Ultra, we support all of the v8 capabilities. */
+static inline unsigned int sparc64_elf_hwcap(void)
+{
+        unsigned int cap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR |
+                            HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV |
+                            HWCAP_SPARC_V9);
+
+        if (tlb_type == cheetah || tlb_type == cheetah_plus)
+                cap |= HWCAP_SPARC_ULTRA3;
+        else if (tlb_type == hypervisor) {
+                if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
+                    sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
+                        cap |= HWCAP_SPARC_BLKINIT;
+                if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
+                        cap |= HWCAP_SPARC_N2;
+        }
+
+        return cap;
+}
+
+#define ELF_HWCAP       sparc64_elf_hwcap();
+
+/* 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, ibcs2)                      \
+do {    unsigned long new_flags = current_thread_info()->flags; \
+        new_flags &= _TIF_32BIT;                        \
+        if ((ex).e_ident[EI_CLASS] == ELFCLASS32)       \
+                new_flags |= _TIF_32BIT;                \
+        else                                            \
+                new_flags &= ~_TIF_32BIT;               \
+        if ((current_thread_info()->flags & _TIF_32BIT) \
+            != new_flags)                               \
+                set_thread_flag(TIF_ABI_PENDING);       \
+        else                                            \
+                clear_thread_flag(TIF_ABI_PENDING);     \
+        /* flush_thread will update pgd cache */        \
+        if (ibcs2)                                      \
+                set_personality(PER_SVR4);              \
+        else if (current->personality != PER_LINUX32)   \
+                set_personality(PER_LINUX);             \
+} while (0)
+
+#endif /* !(__ASM_SPARC64_ELF_H) */