diff options
Diffstat (limited to 'linux-user/elfload.c')
| -rw-r--r-- | linux-user/elfload.c | 160 |
1 files changed, 122 insertions, 38 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index fa83d78..2add166 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -10,7 +10,9 @@ #include "user/tswap-target.h" #include "user/page-protection.h" #include "exec/page-protection.h" +#include "exec/mmap-lock.h" #include "exec/translation-block.h" +#include "exec/tswap.h" #include "user/guest-base.h" #include "user-internals.h" #include "signal-common.h" @@ -749,7 +751,23 @@ enum { ARM_HWCAP_A64_SSBS = 1 << 28, ARM_HWCAP_A64_SB = 1 << 29, ARM_HWCAP_A64_PACA = 1 << 30, - ARM_HWCAP_A64_PACG = 1UL << 31, + ARM_HWCAP_A64_PACG = 1ULL << 31, + ARM_HWCAP_A64_GCS = 1ULL << 32, + ARM_HWCAP_A64_CMPBR = 1ULL << 33, + ARM_HWCAP_A64_FPRCVT = 1ULL << 34, + ARM_HWCAP_A64_F8MM8 = 1ULL << 35, + ARM_HWCAP_A64_F8MM4 = 1ULL << 36, + ARM_HWCAP_A64_SVE_F16MM = 1ULL << 37, + ARM_HWCAP_A64_SVE_ELTPERM = 1ULL << 38, + ARM_HWCAP_A64_SVE_AES2 = 1ULL << 39, + ARM_HWCAP_A64_SVE_BFSCALE = 1ULL << 40, + ARM_HWCAP_A64_SVE2P2 = 1ULL << 41, + ARM_HWCAP_A64_SME2P2 = 1ULL << 42, + ARM_HWCAP_A64_SME_SBITPERM = 1ULL << 43, + ARM_HWCAP_A64_SME_AES = 1ULL << 44, + ARM_HWCAP_A64_SME_SFEXPA = 1ULL << 45, + ARM_HWCAP_A64_SME_STMOP = 1ULL << 46, + ARM_HWCAP_A64_SME_SMOP4 = 1ULL << 47, ARM_HWCAP2_A64_DCPODP = 1 << 0, ARM_HWCAP2_A64_SVE2 = 1 << 1, @@ -796,6 +814,25 @@ enum { ARM_HWCAP2_A64_SME_F16F16 = 1ULL << 42, ARM_HWCAP2_A64_MOPS = 1ULL << 43, ARM_HWCAP2_A64_HBC = 1ULL << 44, + ARM_HWCAP2_A64_SVE_B16B16 = 1ULL << 45, + ARM_HWCAP2_A64_LRCPC3 = 1ULL << 46, + ARM_HWCAP2_A64_LSE128 = 1ULL << 47, + ARM_HWCAP2_A64_FPMR = 1ULL << 48, + ARM_HWCAP2_A64_LUT = 1ULL << 49, + ARM_HWCAP2_A64_FAMINMAX = 1ULL << 50, + ARM_HWCAP2_A64_F8CVT = 1ULL << 51, + ARM_HWCAP2_A64_F8FMA = 1ULL << 52, + ARM_HWCAP2_A64_F8DP4 = 1ULL << 53, + ARM_HWCAP2_A64_F8DP2 = 1ULL << 54, + ARM_HWCAP2_A64_F8E4M3 = 1ULL << 55, + ARM_HWCAP2_A64_F8E5M2 = 1ULL << 56, + ARM_HWCAP2_A64_SME_LUTV2 = 1ULL << 57, + ARM_HWCAP2_A64_SME_F8F16 = 1ULL << 58, + ARM_HWCAP2_A64_SME_F8F32 = 1ULL << 59, + ARM_HWCAP2_A64_SME_SF8FMA = 1ULL << 60, + ARM_HWCAP2_A64_SME_SF8DP4 = 1ULL << 61, + ARM_HWCAP2_A64_SME_SF8DP2 = 1ULL << 62, + ARM_HWCAP2_A64_POE = 1ULL << 63, }; #define ELF_HWCAP get_elf_hwcap() @@ -884,7 +921,7 @@ uint64_t get_elf_hwcap2(void) const char *elf_hwcap_str(uint32_t bit) { - static const char *hwcap_str[] = { + static const char * const hwcap_str[] = { [__builtin_ctz(ARM_HWCAP_A64_FP )] = "fp", [__builtin_ctz(ARM_HWCAP_A64_ASIMD )] = "asimd", [__builtin_ctz(ARM_HWCAP_A64_EVTSTRM )] = "evtstrm", @@ -917,6 +954,22 @@ const char *elf_hwcap_str(uint32_t bit) [__builtin_ctz(ARM_HWCAP_A64_SB )] = "sb", [__builtin_ctz(ARM_HWCAP_A64_PACA )] = "paca", [__builtin_ctz(ARM_HWCAP_A64_PACG )] = "pacg", + [__builtin_ctzll(ARM_HWCAP_A64_GCS )] = "gcs", + [__builtin_ctzll(ARM_HWCAP_A64_CMPBR )] = "cmpbr", + [__builtin_ctzll(ARM_HWCAP_A64_FPRCVT)] = "fprcvt", + [__builtin_ctzll(ARM_HWCAP_A64_F8MM8 )] = "f8mm8", + [__builtin_ctzll(ARM_HWCAP_A64_F8MM4 )] = "f8mm4", + [__builtin_ctzll(ARM_HWCAP_A64_SVE_F16MM)] = "svef16mm", + [__builtin_ctzll(ARM_HWCAP_A64_SVE_ELTPERM)] = "sveeltperm", + [__builtin_ctzll(ARM_HWCAP_A64_SVE_AES2)] = "sveaes2", + [__builtin_ctzll(ARM_HWCAP_A64_SVE_BFSCALE)] = "svebfscale", + [__builtin_ctzll(ARM_HWCAP_A64_SVE2P2)] = "sve2p2", + [__builtin_ctzll(ARM_HWCAP_A64_SME2P2)] = "sme2p2", + [__builtin_ctzll(ARM_HWCAP_A64_SME_SBITPERM)] = "smesbitperm", + [__builtin_ctzll(ARM_HWCAP_A64_SME_AES)] = "smeaes", + [__builtin_ctzll(ARM_HWCAP_A64_SME_SFEXPA)] = "smesfexpa", + [__builtin_ctzll(ARM_HWCAP_A64_SME_STMOP)] = "smestmop", + [__builtin_ctzll(ARM_HWCAP_A64_SME_SMOP4)] = "smesmop4", }; return bit < ARRAY_SIZE(hwcap_str) ? hwcap_str[bit] : NULL; @@ -924,7 +977,7 @@ const char *elf_hwcap_str(uint32_t bit) const char *elf_hwcap2_str(uint32_t bit) { - static const char *hwcap_str[] = { + static const char * const hwcap_str[] = { [__builtin_ctz(ARM_HWCAP2_A64_DCPODP )] = "dcpodp", [__builtin_ctz(ARM_HWCAP2_A64_SVE2 )] = "sve2", [__builtin_ctz(ARM_HWCAP2_A64_SVEAES )] = "sveaes", @@ -970,6 +1023,24 @@ const char *elf_hwcap2_str(uint32_t bit) [__builtin_ctzll(ARM_HWCAP2_A64_SME_F16F16 )] = "smef16f16", [__builtin_ctzll(ARM_HWCAP2_A64_MOPS )] = "mops", [__builtin_ctzll(ARM_HWCAP2_A64_HBC )] = "hbc", + [__builtin_ctzll(ARM_HWCAP2_A64_SVE_B16B16 )] = "sveb16b16", + [__builtin_ctzll(ARM_HWCAP2_A64_LRCPC3 )] = "lrcpc3", + [__builtin_ctzll(ARM_HWCAP2_A64_LSE128 )] = "lse128", + [__builtin_ctzll(ARM_HWCAP2_A64_FPMR )] = "fpmr", + [__builtin_ctzll(ARM_HWCAP2_A64_LUT )] = "lut", + [__builtin_ctzll(ARM_HWCAP2_A64_FAMINMAX )] = "faminmax", + [__builtin_ctzll(ARM_HWCAP2_A64_F8CVT )] = "f8cvt", + [__builtin_ctzll(ARM_HWCAP2_A64_F8FMA )] = "f8fma", + [__builtin_ctzll(ARM_HWCAP2_A64_F8DP4 )] = "f8dp4", + [__builtin_ctzll(ARM_HWCAP2_A64_F8DP2 )] = "f8dp2", + [__builtin_ctzll(ARM_HWCAP2_A64_F8E4M3 )] = "f8e4m3", + [__builtin_ctzll(ARM_HWCAP2_A64_F8E5M2 )] = "f8e5m2", + [__builtin_ctzll(ARM_HWCAP2_A64_SME_LUTV2 )] = "smelutv2", + [__builtin_ctzll(ARM_HWCAP2_A64_SME_F8F16 )] = "smef8f16", + [__builtin_ctzll(ARM_HWCAP2_A64_SME_F8F32 )] = "smef8f32", + [__builtin_ctzll(ARM_HWCAP2_A64_SME_SF8DP4 )] = "smesf8dp4", + [__builtin_ctzll(ARM_HWCAP2_A64_SME_SF8DP2 )] = "smesf8dp2", + [__builtin_ctzll(ARM_HWCAP2_A64_POE )] = "poe", }; return bit < ARRAY_SIZE(hwcap_str) ? hwcap_str[bit] : NULL; @@ -2121,9 +2192,12 @@ static inline void memcpy_fromfs(void * to, const void * from, unsigned long n) memcpy(to, from, n); } -#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN static void bswap_ehdr(struct elfhdr *ehdr) { + if (!target_needs_bswap()) { + return; + } + bswap16s(&ehdr->e_type); /* Object file type */ bswap16s(&ehdr->e_machine); /* Architecture */ bswap32s(&ehdr->e_version); /* Object file version */ @@ -2141,8 +2215,11 @@ static void bswap_ehdr(struct elfhdr *ehdr) static void bswap_phdr(struct elf_phdr *phdr, int phnum) { - int i; - for (i = 0; i < phnum; ++i, ++phdr) { + if (!target_needs_bswap()) { + return; + } + + for (int i = 0; i < phnum; ++i, ++phdr) { bswap32s(&phdr->p_type); /* Segment type */ bswap32s(&phdr->p_flags); /* Segment flags */ bswaptls(&phdr->p_offset); /* Segment file offset */ @@ -2156,8 +2233,11 @@ static void bswap_phdr(struct elf_phdr *phdr, int phnum) static void bswap_shdr(struct elf_shdr *shdr, int shnum) { - int i; - for (i = 0; i < shnum; ++i, ++shdr) { + if (!target_needs_bswap()) { + return; + } + + for (int i = 0; i < shnum; ++i, ++shdr) { bswap32s(&shdr->sh_name); bswap32s(&shdr->sh_type); bswaptls(&shdr->sh_flags); @@ -2173,6 +2253,10 @@ static void bswap_shdr(struct elf_shdr *shdr, int shnum) static void bswap_sym(struct elf_sym *sym) { + if (!target_needs_bswap()) { + return; + } + bswap32s(&sym->st_name); bswaptls(&sym->st_value); bswaptls(&sym->st_size); @@ -2182,6 +2266,10 @@ static void bswap_sym(struct elf_sym *sym) #ifdef TARGET_MIPS static void bswap_mips_abiflags(Mips_elf_abiflags_v0 *abiflags) { + if (!target_needs_bswap()) { + return; + } + bswap16s(&abiflags->version); bswap32s(&abiflags->ases); bswap32s(&abiflags->isa_ext); @@ -2189,15 +2277,6 @@ static void bswap_mips_abiflags(Mips_elf_abiflags_v0 *abiflags) bswap32s(&abiflags->flags2); } #endif -#else -static inline void bswap_ehdr(struct elfhdr *ehdr) { } -static inline void bswap_phdr(struct elf_phdr *phdr, int phnum) { } -static inline void bswap_shdr(struct elf_shdr *shdr, int shnum) { } -static inline void bswap_sym(struct elf_sym *sym) { } -#ifdef TARGET_MIPS -static inline void bswap_mips_abiflags(Mips_elf_abiflags_v0 *abiflags) { } -#endif -#endif #ifdef USE_ELF_CORE_DUMP static int elf_core_dump(int, const CPUArchState *); @@ -3143,11 +3222,11 @@ static bool parse_elf_properties(const ImageSource *src, * The contents of a valid PT_GNU_PROPERTY is a sequence of uint32_t. * Swap most of them now, beyond the header and namesz. */ -#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN - for (int i = 4; i < n / 4; i++) { - bswap32s(note.data + i); + if (target_needs_bswap()) { + for (int i = 4; i < n / 4; i++) { + bswap32s(note.data + i); + } } -#endif /* * Note that nhdr is 3 words, and that the "name" described by namesz @@ -3999,9 +4078,12 @@ struct target_elf_prpsinfo { char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */ }; -#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN static void bswap_prstatus(struct target_elf_prstatus *prstatus) { + if (!target_needs_bswap()) { + return; + } + prstatus->pr_info.si_signo = tswap32(prstatus->pr_info.si_signo); prstatus->pr_info.si_code = tswap32(prstatus->pr_info.si_code); prstatus->pr_info.si_errno = tswap32(prstatus->pr_info.si_errno); @@ -4019,6 +4101,10 @@ static void bswap_prstatus(struct target_elf_prstatus *prstatus) static void bswap_psinfo(struct target_elf_prpsinfo *psinfo) { + if (!target_needs_bswap()) { + return; + } + psinfo->pr_flag = tswapal(psinfo->pr_flag); psinfo->pr_uid = tswap16(psinfo->pr_uid); psinfo->pr_gid = tswap16(psinfo->pr_gid); @@ -4030,21 +4116,19 @@ static void bswap_psinfo(struct target_elf_prpsinfo *psinfo) static void bswap_note(struct elf_note *en) { + if (!target_needs_bswap()) { + return; + } + bswap32s(&en->n_namesz); bswap32s(&en->n_descsz); bswap32s(&en->n_type); } -#else -static inline void bswap_prstatus(struct target_elf_prstatus *p) { } -static inline void bswap_psinfo(struct target_elf_prpsinfo *p) {} -static inline void bswap_note(struct elf_note *en) { } -#endif /* HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN */ /* * Calculate file (dump) size of given memory region. */ -static size_t vma_dump_size(target_ulong start, target_ulong end, - unsigned long flags) +static size_t vma_dump_size(vaddr start, vaddr end, int flags) { /* The area must be readable. */ if (!(flags & PAGE_READ)) { @@ -4237,14 +4321,14 @@ static int dump_write(int fd, const void *ptr, size_t size) return (0); } -static int wmr_page_unprotect_regions(void *opaque, target_ulong start, - target_ulong end, unsigned long flags) +static int wmr_page_unprotect_regions(void *opaque, vaddr start, + vaddr end, int flags) { if ((flags & (PAGE_WRITE | PAGE_WRITE_ORG)) == PAGE_WRITE_ORG) { size_t step = MAX(TARGET_PAGE_SIZE, qemu_real_host_page_size()); while (1) { - page_unprotect(start, 0); + page_unprotect(NULL, start, 0); if (end - start <= step) { break; } @@ -4259,8 +4343,8 @@ typedef struct { size_t size; } CountAndSizeRegions; -static int wmr_count_and_size_regions(void *opaque, target_ulong start, - target_ulong end, unsigned long flags) +static int wmr_count_and_size_regions(void *opaque, vaddr start, + vaddr end, int flags) { CountAndSizeRegions *css = opaque; @@ -4274,8 +4358,8 @@ typedef struct { off_t offset; } FillRegionPhdr; -static int wmr_fill_region_phdr(void *opaque, target_ulong start, - target_ulong end, unsigned long flags) +static int wmr_fill_region_phdr(void *opaque, vaddr start, + vaddr end, int flags) { FillRegionPhdr *d = opaque; struct elf_phdr *phdr = d->phdr; @@ -4297,8 +4381,8 @@ static int wmr_fill_region_phdr(void *opaque, target_ulong start, return 0; } -static int wmr_write_region(void *opaque, target_ulong start, - target_ulong end, unsigned long flags) +static int wmr_write_region(void *opaque, vaddr start, + vaddr end, int flags) { int fd = *(int *)opaque; size_t size = vma_dump_size(start, end, flags); |