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linux-user: Move elf parameters to ppc/target_elf.h

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
2025-08-30 07:04:04 +10:00
parent 7b75b5e611
commit 5408b35455
2 changed files with 43 additions and 53 deletions
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linux-user/elfload.c
-53
View File
@@ -130,59 +130,6 @@ typedef abi_uint target_gid_t;
#endif
typedef abi_int target_pid_t;
#ifdef TARGET_PPC
#define ELF_MACHINE PPC_ELF_MACHINE
#if defined(TARGET_PPC64)
#define elf_check_arch(x) ( (x) == EM_PPC64 )
#define ELF_CLASS ELFCLASS64
#else
#define ELF_CLASS ELFCLASS32
#define EXSTACK_DEFAULT true
#endif
#define ELF_ARCH EM_PPC
/*
* 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)
#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
#endif
#ifdef TARGET_LOONGARCH64
#define ELF_CLASS ELFCLASS64
linux-user/ppc/target_elf.h
+43
View File
@@ -10,6 +10,17 @@
#include "target_ptrace.h"
#define ELF_MACHINE PPC_ELF_MACHINE
#ifdef TARGET_PPC64
# define elf_check_arch(x) ((x) == EM_PPC64)
# define ELF_CLASS ELFCLASS64
#else
# define ELF_CLASS ELFCLASS32
# define EXSTACK_DEFAULT true
#endif
#define ELF_ARCH EM_PPC
#define HAVE_ELF_HWCAP 1
#define HAVE_ELF_HWCAP2 1
#define HAVE_ELF_CORE_DUMP 1
@@ -26,4 +37,36 @@ typedef struct target_elf_gregset_t {
};
} 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