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Diffstat (limited to 'linux-user/ppc/target_elf.h')
-rw-r--r--linux-user/ppc/target_elf.h62
1 files changed, 57 insertions, 5 deletions
diff --git a/linux-user/ppc/target_elf.h b/linux-user/ppc/target_elf.h
index 0616618..22854cf 100644
--- a/linux-user/ppc/target_elf.h
+++ b/linux-user/ppc/target_elf.h
@@ -7,12 +7,64 @@
#ifndef PPC_TARGET_ELF_H
#define PPC_TARGET_ELF_H
-static inline const char *cpu_get_model(uint32_t eflags)
-{
+
+#include "target_ptrace.h"
+
+#define ELF_MACHINE PPC_ELF_MACHINE
+
#ifdef TARGET_PPC64
- return "POWER9";
+# define ELF_CLASS ELFCLASS64
+#else
+# define ELF_CLASS ELFCLASS32
+# define EXSTACK_DEFAULT true
+#endif
+
+#define HAVE_ELF_HWCAP 1
+#define HAVE_ELF_HWCAP2 1
+#define HAVE_ELF_CORE_DUMP 1
+
+/*
+ * The size of 48 words is set in arch/powerpc/include/uapi/asm/elf.h.
+ * However PPC_ELF_CORE_COPY_REGS in arch/powerpc/include/asm/elf.h
+ * open-codes a memcpy from struct pt_regs, then zeros the rest.
+ */
+typedef struct target_elf_gregset_t {
+ union {
+ struct target_pt_regs pt;
+ abi_ulong reserved[48];
+ };
+} target_elf_gregset_t;
+
+#ifndef TARGET_PPC64
+# define VDSO_HEADER "vdso-32.c.inc"
+#elif TARGET_BIG_ENDIAN
+# define VDSO_HEADER "vdso-64.c.inc"
#else
- return "750";
+# define VDSO_HEADER "vdso-64le.c.inc"
#endif
-}
+
+/*
+ * The requirements here are:
+ * - keep the final alignment of sp (sp & 0xf)
+ * - make sure the 32-bit value at the first 16 byte aligned position of
+ * AUXV is greater than 16 for glibc compatibility.
+ * AT_IGNOREPPC is used for that.
+ * - for compatibility with glibc ARCH_DLINFO must always be defined on PPC,
+ * even if DLINFO_ARCH_ITEMS goes to zero or is undefined.
+ */
+#define DLINFO_ARCH_ITEMS 5
+#define ARCH_DLINFO \
+ do { \
+ PowerPCCPU *cpu = POWERPC_CPU(thread_cpu); \
+ /* \
+ * Handle glibc compatibility: these magic entries must \
+ * be at the lowest addresses in the final auxv. \
+ */ \
+ NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \
+ NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \
+ NEW_AUX_ENT(AT_DCACHEBSIZE, cpu->env.dcache_line_size); \
+ NEW_AUX_ENT(AT_ICACHEBSIZE, cpu->env.icache_line_size); \
+ NEW_AUX_ENT(AT_UCACHEBSIZE, 0); \
+ } while (0)
+
#endif