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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/s390/include/asm/elf.h
Initial import
Diffstat (limited to 'arch/s390/include/asm/elf.h')
-rw-r--r--arch/s390/include/asm/elf.h227
1 files changed, 227 insertions, 0 deletions
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
new file mode 100644
index 000000000..3ad48f22d
--- /dev/null
+++ b/arch/s390/include/asm/elf.h
@@ -0,0 +1,227 @@
+/*
+ * S390 version
+ *
+ * Derived from "include/asm-i386/elf.h"
+ */
+
+#ifndef __ASMS390_ELF_H
+#define __ASMS390_ELF_H
+
+/* s390 relocations defined by the ABIs */
+#define R_390_NONE 0 /* No reloc. */
+#define R_390_8 1 /* Direct 8 bit. */
+#define R_390_12 2 /* Direct 12 bit. */
+#define R_390_16 3 /* Direct 16 bit. */
+#define R_390_32 4 /* Direct 32 bit. */
+#define R_390_PC32 5 /* PC relative 32 bit. */
+#define R_390_GOT12 6 /* 12 bit GOT offset. */
+#define R_390_GOT32 7 /* 32 bit GOT offset. */
+#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */
+#define R_390_COPY 9 /* Copy symbol at runtime. */
+#define R_390_GLOB_DAT 10 /* Create GOT entry. */
+#define R_390_JMP_SLOT 11 /* Create PLT entry. */
+#define R_390_RELATIVE 12 /* Adjust by program base. */
+#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */
+#define R_390_GOTPC 14 /* 32 bit PC rel. offset to GOT. */
+#define R_390_GOT16 15 /* 16 bit GOT offset. */
+#define R_390_PC16 16 /* PC relative 16 bit. */
+#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */
+#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */
+#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */
+#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */
+#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */
+#define R_390_64 22 /* Direct 64 bit. */
+#define R_390_PC64 23 /* PC relative 64 bit. */
+#define R_390_GOT64 24 /* 64 bit GOT offset. */
+#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */
+#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */
+#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */
+#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */
+#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */
+#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */
+#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */
+#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */
+#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */
+#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */
+#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */
+#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */
+#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */
+#define R_390_TLS_GDCALL 38 /* Tag for function call in general
+ dynamic TLS code. */
+#define R_390_TLS_LDCALL 39 /* Tag for function call in local
+ dynamic TLS code. */
+#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic
+ thread local data. */
+#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic
+ thread local data. */
+#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS
+ block offset. */
+#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS
+ block offset. */
+#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS
+ block offset. */
+#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic
+ thread local data in LD code. */
+#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic
+ thread local data in LD code. */
+#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for
+ negated static TLS block offset. */
+#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for
+ negated static TLS block offset. */
+#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for
+ negated static TLS block offset. */
+#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to
+ static TLS block. */
+#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to
+ static TLS block. */
+#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS
+ block. */
+#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS
+ block. */
+#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */
+#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */
+#define R_390_TLS_TPOFF 56 /* Negate offset in static TLS
+ block. */
+#define R_390_20 57 /* Direct 20 bit. */
+#define R_390_GOT20 58 /* 20 bit GOT offset. */
+#define R_390_GOTPLT20 59 /* 20 bit offset to jump slot. */
+#define R_390_TLS_GOTIE20 60 /* 20 bit GOT offset for static TLS
+ block offset. */
+/* Keep this the last entry. */
+#define R_390_NUM 61
+
+/* Bits present in AT_HWCAP. */
+#define HWCAP_S390_ESAN3 1
+#define HWCAP_S390_ZARCH 2
+#define HWCAP_S390_STFLE 4
+#define HWCAP_S390_MSA 8
+#define HWCAP_S390_LDISP 16
+#define HWCAP_S390_EIMM 32
+#define HWCAP_S390_DFP 64
+#define HWCAP_S390_HPAGE 128
+#define HWCAP_S390_ETF3EH 256
+#define HWCAP_S390_HIGH_GPRS 512
+#define HWCAP_S390_TE 1024
+#define HWCAP_S390_VXRS 2048
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS ELFCLASS64
+#define ELF_DATA ELFDATA2MSB
+#define ELF_ARCH EM_S390
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/compat.h>
+#include <asm/syscall.h>
+#include <asm/user.h>
+
+typedef s390_fp_regs elf_fpregset_t;
+typedef s390_regs elf_gregset_t;
+
+typedef s390_fp_regs compat_elf_fpregset_t;
+typedef s390_compat_regs compat_elf_gregset_t;
+
+#include <linux/sched.h> /* for task_struct */
+#include <asm/mmu_context.h>
+
+#include <asm/vdso.h>
+
+extern unsigned int vdso_enabled;
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+ (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \
+ && (x)->e_ident[EI_CLASS] == ELF_CLASS)
+#define compat_elf_check_arch(x) \
+ (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \
+ && (x)->e_ident[EI_CLASS] == ELF_CLASS)
+#define compat_start_thread start_thread31
+
+/* For SVR4/S390 the function pointer to be registered with `atexit` is
+ passed in R14. */
+#define ELF_PLAT_INIT(_r, load_addr) \
+ do { \
+ _r->gprs[14] = 0; \
+ } while (0)
+
+#define CORE_DUMP_USE_REGSET
+#define ELF_EXEC_PAGESIZE 4096
+
+/* 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. 64-bit
+ tasks are aligned to 4GB. */
+#define ELF_ET_DYN_BASE (is_32bit_task() ? \
+ (STACK_TOP / 3 * 2) : \
+ (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1))
+
+/* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. */
+
+extern unsigned long elf_hwcap;
+#define ELF_HWCAP (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.
+
+ For the moment, we have only optimizations for the Intel generations,
+ but that could change... */
+
+#define ELF_PLATFORM_SIZE 8
+extern char elf_platform[];
+#define ELF_PLATFORM (elf_platform)
+
+#ifndef CONFIG_COMPAT
+#define SET_PERSONALITY(ex) \
+do { \
+ set_personality(PER_LINUX | \
+ (current->personality & (~PER_MASK))); \
+ current_thread_info()->sys_call_table = \
+ (unsigned long) &sys_call_table; \
+} while (0)
+#else /* CONFIG_COMPAT */
+#define SET_PERSONALITY(ex) \
+do { \
+ if (personality(current->personality) != PER_LINUX32) \
+ set_personality(PER_LINUX | \
+ (current->personality & ~PER_MASK)); \
+ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \
+ set_thread_flag(TIF_31BIT); \
+ current_thread_info()->sys_call_table = \
+ (unsigned long) &sys_call_table_emu; \
+ } else { \
+ clear_thread_flag(TIF_31BIT); \
+ current_thread_info()->sys_call_table = \
+ (unsigned long) &sys_call_table; \
+ } \
+} while (0)
+#endif /* CONFIG_COMPAT */
+
+extern unsigned long mmap_rnd_mask;
+
+#define STACK_RND_MASK (test_thread_flag(TIF_31BIT) ? 0x7ff : mmap_rnd_mask)
+
+#define ARCH_DLINFO \
+do { \
+ if (vdso_enabled) \
+ NEW_AUX_ENT(AT_SYSINFO_EHDR, \
+ (unsigned long)current->mm->context.vdso_base); \
+} while (0)
+
+struct linux_binprm;
+
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
+int arch_setup_additional_pages(struct linux_binprm *, int);
+
+void *fill_cpu_elf_notes(void *ptr, struct save_area *sa, __vector128 *vxrs);
+
+#endif