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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation, or (at your option) any
* later version. See the COPYING file in the top-level directory.
*/
#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
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