diff options
Diffstat (limited to 'linux-user/ppc/target_elf.h')
| -rw-r--r-- | linux-user/ppc/target_elf.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/linux-user/ppc/target_elf.h b/linux-user/ppc/target_elf.h index 4203a89d66..22854cf52f 100644 --- a/linux-user/ppc/target_elf.h +++ b/linux-user/ppc/target_elf.h @@ -8,7 +8,63 @@ #ifndef PPC_TARGET_ELF_H #define PPC_TARGET_ELF_H +#include "target_ptrace.h" + +#define ELF_MACHINE PPC_ELF_MACHINE + +#ifdef TARGET_PPC64 +# 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 +# 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 |