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linux-user: Remove ELF_START_MMAP and image_info.start_mmap

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The start_mmap value is write-only.
Remove the field and the defines that populated it.
Logically, this has been replaced by task_unmapped_base.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-16 10:43:10 -07:00
parent 6467d9eb49
commit f6d4554242
2 changed files with 0 additions and 39 deletions
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38
linux-user/elfload.c
View File

@ -143,8 +143,6 @@ static uint32_t get_elf_hwcap(void)
} }
#ifdef TARGET_X86_64 #ifdef TARGET_X86_64
#define ELF_START_MMAP 0x2aaaaab000ULL
#define ELF_CLASS ELFCLASS64 #define ELF_CLASS ELFCLASS64
#define ELF_ARCH EM_X86_64 #define ELF_ARCH EM_X86_64
@ -221,8 +219,6 @@ static bool init_guest_commpage(void)
#endif #endif
#else #else
#define ELF_START_MMAP 0x80000000
/* /*
* This is used to ensure we don't load something for the wrong architecture. * This is used to ensure we don't load something for the wrong architecture.
*/ */
@ -308,8 +304,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUX86State *en
#ifndef TARGET_AARCH64 #ifndef TARGET_AARCH64
/* 32 bit ARM definitions */ /* 32 bit ARM definitions */
#define ELF_START_MMAP 0x80000000
#define ELF_ARCH EM_ARM #define ELF_ARCH EM_ARM
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define EXSTACK_DEFAULT true #define EXSTACK_DEFAULT true
@ -600,7 +594,6 @@ static const char *get_elf_platform(void)
#else #else
/* 64 bit ARM definitions */ /* 64 bit ARM definitions */
#define ELF_START_MMAP 0x80000000
#define ELF_ARCH EM_AARCH64 #define ELF_ARCH EM_AARCH64
#define ELF_CLASS ELFCLASS64 #define ELF_CLASS ELFCLASS64
@ -871,7 +864,6 @@ const char *elf_hwcap2_str(uint32_t bit)
#ifdef TARGET_SPARC #ifdef TARGET_SPARC
#ifdef TARGET_SPARC64 #ifdef TARGET_SPARC64
#define ELF_START_MMAP 0x80000000
#define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | HWCAP_SPARC_SWAP \ #define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | HWCAP_SPARC_SWAP \
| HWCAP_SPARC_MULDIV | HWCAP_SPARC_V9) | HWCAP_SPARC_MULDIV | HWCAP_SPARC_V9)
#ifndef TARGET_ABI32 #ifndef TARGET_ABI32
@ -883,7 +875,6 @@ const char *elf_hwcap2_str(uint32_t bit)
#define ELF_CLASS ELFCLASS64 #define ELF_CLASS ELFCLASS64
#define ELF_ARCH EM_SPARCV9 #define ELF_ARCH EM_SPARCV9
#else #else
#define ELF_START_MMAP 0x80000000
#define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | HWCAP_SPARC_SWAP \ #define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | HWCAP_SPARC_SWAP \
| HWCAP_SPARC_MULDIV) | HWCAP_SPARC_MULDIV)
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
@ -905,7 +896,6 @@ static inline void init_thread(struct target_pt_regs *regs,
#ifdef TARGET_PPC #ifdef TARGET_PPC
#define ELF_MACHINE PPC_ELF_MACHINE #define ELF_MACHINE PPC_ELF_MACHINE
#define ELF_START_MMAP 0x80000000
#if defined(TARGET_PPC64) #if defined(TARGET_PPC64)
@ -1108,8 +1098,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUPPCState *en
#ifdef TARGET_LOONGARCH64 #ifdef TARGET_LOONGARCH64
#define ELF_START_MMAP 0x80000000
#define ELF_CLASS ELFCLASS64 #define ELF_CLASS ELFCLASS64
#define ELF_ARCH EM_LOONGARCH #define ELF_ARCH EM_LOONGARCH
#define EXSTACK_DEFAULT true #define EXSTACK_DEFAULT true
@ -1200,8 +1188,6 @@ static uint32_t get_elf_hwcap(void)
#ifdef TARGET_MIPS #ifdef TARGET_MIPS
#define ELF_START_MMAP 0x80000000
#ifdef TARGET_MIPS64 #ifdef TARGET_MIPS64
#define ELF_CLASS ELFCLASS64 #define ELF_CLASS ELFCLASS64
#else #else
@ -1359,8 +1345,6 @@ static uint32_t get_elf_hwcap(void)
#ifdef TARGET_MICROBLAZE #ifdef TARGET_MICROBLAZE
#define ELF_START_MMAP 0x80000000
#define elf_check_arch(x) ( (x) == EM_MICROBLAZE || (x) == EM_MICROBLAZE_OLD) #define elf_check_arch(x) ( (x) == EM_MICROBLAZE || (x) == EM_MICROBLAZE_OLD)
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
@ -1401,8 +1385,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUMBState *env
#ifdef TARGET_NIOS2 #ifdef TARGET_NIOS2
#define ELF_START_MMAP 0x80000000
#define elf_check_arch(x) ((x) == EM_ALTERA_NIOS2) #define elf_check_arch(x) ((x) == EM_ALTERA_NIOS2)
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
@ -1498,8 +1480,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
#ifdef TARGET_OPENRISC #ifdef TARGET_OPENRISC
#define ELF_START_MMAP 0x08000000
#define ELF_ARCH EM_OPENRISC #define ELF_ARCH EM_OPENRISC
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB #define ELF_DATA ELFDATA2MSB
@ -1536,8 +1516,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
#ifdef TARGET_SH4 #ifdef TARGET_SH4
#define ELF_START_MMAP 0x80000000
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define ELF_ARCH EM_SH #define ELF_ARCH EM_SH
@ -1618,8 +1596,6 @@ static uint32_t get_elf_hwcap(void)
#ifdef TARGET_CRIS #ifdef TARGET_CRIS
#define ELF_START_MMAP 0x80000000
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define ELF_ARCH EM_CRIS #define ELF_ARCH EM_CRIS
@ -1635,8 +1611,6 @@ static inline void init_thread(struct target_pt_regs *regs,
#ifdef TARGET_M68K #ifdef TARGET_M68K
#define ELF_START_MMAP 0x80000000
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define ELF_ARCH EM_68K #define ELF_ARCH EM_68K
@ -1686,8 +1660,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUM68KState *e
#ifdef TARGET_ALPHA #ifdef TARGET_ALPHA
#define ELF_START_MMAP (0x30000000000ULL)
#define ELF_CLASS ELFCLASS64 #define ELF_CLASS ELFCLASS64
#define ELF_ARCH EM_ALPHA #define ELF_ARCH EM_ALPHA
@ -1705,8 +1677,6 @@ static inline void init_thread(struct target_pt_regs *regs,
#ifdef TARGET_S390X #ifdef TARGET_S390X
#define ELF_START_MMAP (0x20000000000ULL)
#define ELF_CLASS ELFCLASS64 #define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2MSB #define ELF_DATA ELFDATA2MSB
#define ELF_ARCH EM_S390 #define ELF_ARCH EM_S390
@ -1817,7 +1787,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
#ifdef TARGET_RISCV #ifdef TARGET_RISCV
#define ELF_START_MMAP 0x80000000
#define ELF_ARCH EM_RISCV #define ELF_ARCH EM_RISCV
#ifdef TARGET_RISCV32 #ifdef TARGET_RISCV32
@ -1853,7 +1822,6 @@ static inline void init_thread(struct target_pt_regs *regs,
#ifdef TARGET_HPPA #ifdef TARGET_HPPA
#define ELF_START_MMAP 0x80000000
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define ELF_ARCH EM_PARISC #define ELF_ARCH EM_PARISC
#define ELF_PLATFORM "PARISC" #define ELF_PLATFORM "PARISC"
@ -1905,8 +1873,6 @@ static bool init_guest_commpage(void)
#ifdef TARGET_XTENSA #ifdef TARGET_XTENSA
#define ELF_START_MMAP 0x20000000
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define ELF_ARCH EM_XTENSA #define ELF_ARCH EM_XTENSA
@ -1972,8 +1938,6 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
#ifdef TARGET_HEXAGON #ifdef TARGET_HEXAGON
#define ELF_START_MMAP 0x20000000
#define ELF_CLASS ELFCLASS32 #define ELF_CLASS ELFCLASS32
#define ELF_ARCH EM_HEXAGON #define ELF_ARCH EM_HEXAGON
@ -3690,8 +3654,6 @@ int load_elf_binary(struct linux_binprm *bprm, struct image_info *info)
interp_info.fp_abi = MIPS_ABI_FP_UNKNOWN; interp_info.fp_abi = MIPS_ABI_FP_UNKNOWN;
#endif #endif
info->start_mmap = (abi_ulong)ELF_START_MMAP;
load_elf_image(bprm->filename, bprm->fd, info, load_elf_image(bprm->filename, bprm->fd, info,
&elf_interpreter, bprm->buf); &elf_interpreter, bprm->buf);

1
linux-user/qemu.h
View File

@ -30,7 +30,6 @@ struct image_info {
abi_ulong start_data; abi_ulong start_data;
abi_ulong end_data; abi_ulong end_data;
abi_ulong brk; abi_ulong brk;
abi_ulong start_mmap;
abi_ulong start_stack; abi_ulong start_stack;
abi_ulong stack_limit; abi_ulong stack_limit;
abi_ulong entry; abi_ulong entry;