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-rw-r--r--linux-user/aarch64/signal.c4
-rw-r--r--linux-user/arm/cpu_loop.c2
-rw-r--r--linux-user/elfload.c168
-rw-r--r--linux-user/fd-trans.h10
-rw-r--r--linux-user/flatload.c1
-rw-r--r--linux-user/gen-vdso.c43
-rw-r--r--linux-user/hppa/cpu_loop.c12
-rw-r--r--linux-user/loongarch64/cpu_loop.c25
-rw-r--r--linux-user/main.c13
-rw-r--r--linux-user/mips/target_signal.h1
-rw-r--r--linux-user/mmap.c3
-rw-r--r--linux-user/qemu.h5
-rw-r--r--linux-user/signal.c4
-rw-r--r--linux-user/syscall.c38
-rw-r--r--linux-user/syscall_defs.h4
-rw-r--r--linux-user/user-internals.h1
-rw-r--r--linux-user/xtensa/signal.c1
17 files changed, 257 insertions, 78 deletions
diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c
index bc7a138..d50cab7 100644
--- a/linux-user/aarch64/signal.c
+++ b/linux-user/aarch64/signal.c
@@ -248,7 +248,7 @@ static void target_setup_za_record(struct target_za_context *za,
for (i = 0; i < vl; ++i) {
uint64_t *z = (void *)za + TARGET_ZA_SIG_ZAV_OFFSET(vq, i);
for (j = 0; j < vq * 2; ++j) {
- __put_user_e(env->zarray[i].d[j], z + j, le);
+ __put_user_e(env->za_state.za[i].d[j], z + j, le);
}
}
}
@@ -397,7 +397,7 @@ static bool target_restore_za_record(CPUARMState *env,
for (i = 0; i < vl; ++i) {
uint64_t *z = (void *)za + TARGET_ZA_SIG_ZAV_OFFSET(vq, i);
for (j = 0; j < vq * 2; ++j) {
- __get_user_e(env->zarray[i].d[j], z + j, le);
+ __get_user_e(env->za_state.za[i].d[j], z + j, le);
}
}
return true;
diff --git a/linux-user/arm/cpu_loop.c b/linux-user/arm/cpu_loop.c
index 7416e32..33f6395 100644
--- a/linux-user/arm/cpu_loop.c
+++ b/linux-user/arm/cpu_loop.c
@@ -25,6 +25,7 @@
#include "signal-common.h"
#include "semihosting/common-semi.h"
#include "exec/page-protection.h"
+#include "exec/mmap-lock.h"
#include "user/page-protection.h"
#include "target/arm/syndrome.h"
@@ -362,6 +363,7 @@ void cpu_loop(CPUARMState *env)
switch (n) {
case ARM_NR_cacheflush:
/* nop */
+ env->regs[0] = 0;
break;
case ARM_NR_set_tls:
cpu_set_tls(env, env->regs[0]);
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index fa83d78..ea21410 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()
@@ -878,13 +915,21 @@ uint64_t get_elf_hwcap2(void)
GET_FEATURE_ID(aa64_sme_fa64, ARM_HWCAP2_A64_SME_FA64);
GET_FEATURE_ID(aa64_hbc, ARM_HWCAP2_A64_HBC);
GET_FEATURE_ID(aa64_mops, ARM_HWCAP2_A64_MOPS);
+ GET_FEATURE_ID(aa64_sve2p1, ARM_HWCAP2_A64_SVE2P1);
+ GET_FEATURE_ID(aa64_sme2, (ARM_HWCAP2_A64_SME2 |
+ ARM_HWCAP2_A64_SME_I16I32 |
+ ARM_HWCAP2_A64_SME_BI32I32));
+ GET_FEATURE_ID(aa64_sme2p1, ARM_HWCAP2_A64_SME2P1);
+ GET_FEATURE_ID(aa64_sme_b16b16, ARM_HWCAP2_A64_SME_B16B16);
+ GET_FEATURE_ID(aa64_sme_f16f16, ARM_HWCAP2_A64_SME_F16F16);
+ GET_FEATURE_ID(aa64_sve_b16b16, ARM_HWCAP2_A64_SVE_B16B16);
return hwcaps;
}
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 +962,22 @@ 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 +985,7 @@ 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 +1031,24 @@ 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 +2200,12 @@ 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 +2223,11 @@ 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 +2241,11 @@ 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 +2261,10 @@ 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 +2274,10 @@ 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 +2285,6 @@ 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 +3230,11 @@ 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 +4086,12 @@ 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 +4109,10 @@ 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 +4124,19 @@ 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 +4329,14 @@ 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 +4351,8 @@ 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 +4366,8 @@ 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 +4389,8 @@ 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);
diff --git a/linux-user/fd-trans.h b/linux-user/fd-trans.h
index 910faaf..e14f960 100644
--- a/linux-user/fd-trans.h
+++ b/linux-user/fd-trans.h
@@ -36,6 +36,16 @@ static inline void fd_trans_init(void)
qemu_mutex_init(&target_fd_trans_lock);
}
+static inline void fd_trans_prefork(void)
+{
+ qemu_mutex_lock(&target_fd_trans_lock);
+}
+
+static inline void fd_trans_postfork(void)
+{
+ qemu_mutex_unlock(&target_fd_trans_lock);
+}
+
static inline TargetFdDataFunc fd_trans_target_to_host_data(int fd)
{
if (fd < 0) {
diff --git a/linux-user/flatload.c b/linux-user/flatload.c
index d5cb183..4beb3ed 100644
--- a/linux-user/flatload.c
+++ b/linux-user/flatload.c
@@ -35,6 +35,7 @@
#include "qemu.h"
#include "exec/page-protection.h"
+#include "exec/mmap-lock.h"
#include "user-internals.h"
#include "loader.h"
#include "user-mmap.h"
diff --git a/linux-user/gen-vdso.c b/linux-user/gen-vdso.c
index 721f38d..aeaa927 100644
--- a/linux-user/gen-vdso.c
+++ b/linux-user/gen-vdso.c
@@ -56,13 +56,14 @@ static unsigned rt_sigreturn_addr;
int main(int argc, char **argv)
{
- FILE *inf, *outf;
+ FILE *inf = NULL, *outf = NULL;
long total_len;
const char *prefix = "vdso";
const char *inf_name;
const char *outf_name = NULL;
- unsigned char *buf;
+ unsigned char *buf = NULL;
bool need_bswap;
+ int ret = EXIT_FAILURE;
while (1) {
int opt = getopt(argc, argv, "o:p:r:s:");
@@ -112,9 +113,21 @@ int main(int argc, char **argv)
* We expect the vdso to be small, on the order of one page,
* therefore we do not expect a partial read.
*/
- fseek(inf, 0, SEEK_END);
+ if (fseek(inf, 0, SEEK_END) < 0) {
+ goto perror_inf;
+ }
total_len = ftell(inf);
- fseek(inf, 0, SEEK_SET);
+ if (total_len < 0) {
+ goto perror_inf;
+ }
+ if (fseek(inf, 0, SEEK_SET) < 0) {
+ goto perror_inf;
+ }
+
+ if (total_len < EI_NIDENT) {
+ fprintf(stderr, "%s: file too small (truncated?)\n", inf_name);
+ return EXIT_FAILURE;
+ }
buf = malloc(total_len);
if (buf == NULL) {
@@ -129,7 +142,6 @@ int main(int argc, char **argv)
fprintf(stderr, "%s: incomplete read\n", inf_name);
return EXIT_FAILURE;
}
- fclose(inf);
/*
* Identify which elf flavor we're processing.
@@ -205,19 +217,24 @@ int main(int argc, char **argv)
fprintf(outf, " .rt_sigreturn_ofs = 0x%x,\n", rt_sigreturn_addr);
fprintf(outf, "};\n");
- /*
- * Everything should have gone well.
- */
- if (fclose(outf)) {
- goto perror_outf;
+ ret = EXIT_SUCCESS;
+
+ cleanup:
+ free(buf);
+
+ if (outf && fclose(outf) != 0) {
+ ret = EXIT_FAILURE;
+ }
+ if (inf && fclose(inf) != 0) {
+ ret = EXIT_FAILURE;
}
- return EXIT_SUCCESS;
+ return ret;
perror_inf:
perror(inf_name);
- return EXIT_FAILURE;
+ goto cleanup;
perror_outf:
perror(outf_name);
- return EXIT_FAILURE;
+ goto cleanup;
}
diff --git a/linux-user/hppa/cpu_loop.c b/linux-user/hppa/cpu_loop.c
index 890e758..9abaad5 100644
--- a/linux-user/hppa/cpu_loop.c
+++ b/linux-user/hppa/cpu_loop.c
@@ -112,7 +112,7 @@ static abi_ulong hppa_lws(CPUHPPAState *env)
void cpu_loop(CPUHPPAState *env)
{
CPUState *cs = env_cpu(env);
- abi_ulong ret;
+ abi_ulong ret, si_code = 0;
int trapnr;
while (1) {
@@ -169,7 +169,15 @@ void cpu_loop(CPUHPPAState *env)
force_sig_fault(TARGET_SIGFPE, TARGET_FPE_CONDTRAP, env->iaoq_f);
break;
case EXCP_ASSIST:
- force_sig_fault(TARGET_SIGFPE, 0, env->iaoq_f);
+ #define set_si_code(mask, val) \
+ if (env->fr[0] & mask) { si_code = val; }
+ set_si_code(R_FPSR_FLG_I_MASK, TARGET_FPE_FLTRES);
+ set_si_code(R_FPSR_FLG_U_MASK, TARGET_FPE_FLTUND);
+ set_si_code(R_FPSR_FLG_O_MASK, TARGET_FPE_FLTOVF);
+ set_si_code(R_FPSR_FLG_Z_MASK, TARGET_FPE_FLTDIV);
+ set_si_code(R_FPSR_FLG_V_MASK, TARGET_FPE_FLTINV);
+ #undef set_si_code
+ force_sig_fault(TARGET_SIGFPE, si_code, env->iaoq_f);
break;
case EXCP_BREAK:
force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->iaoq_f);
diff --git a/linux-user/loongarch64/cpu_loop.c b/linux-user/loongarch64/cpu_loop.c
index 0614d3d..ec8a06c 100644
--- a/linux-user/loongarch64/cpu_loop.c
+++ b/linux-user/loongarch64/cpu_loop.c
@@ -11,6 +11,12 @@
#include "user/cpu_loop.h"
#include "signal-common.h"
+/* Break codes */
+enum {
+ BRK_OVERFLOW = 6,
+ BRK_DIVZERO = 7
+};
+
void cpu_loop(CPULoongArchState *env)
{
CPUState *cs = env_cpu(env);
@@ -66,9 +72,26 @@ void cpu_loop(CPULoongArchState *env)
force_sig_fault(TARGET_SIGFPE, si_code, env->pc);
break;
case EXCP_DEBUG:
- case EXCCODE_BRK:
force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
break;
+ case EXCCODE_BRK:
+ {
+ unsigned int opcode;
+
+ get_user_u32(opcode, env->pc);
+
+ switch (opcode & 0x7fff) {
+ case BRK_OVERFLOW:
+ force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTOVF, env->pc);
+ break;
+ case BRK_DIVZERO:
+ force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTDIV, env->pc);
+ break;
+ default:
+ force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
+ }
+ }
+ break;
case EXCCODE_BCE:
force_sig_fault(TARGET_SIGSYS, TARGET_SI_KERNEL, env->pc);
break;
diff --git a/linux-user/main.c b/linux-user/main.c
index e2ec597..f4f2007 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -40,7 +40,6 @@
#include "qemu/plugin.h"
#include "user/guest-base.h"
#include "user/page-protection.h"
-#include "exec/exec-all.h"
#include "exec/gdbstub.h"
#include "gdbstub/user.h"
#include "tcg/startup.h"
@@ -123,6 +122,7 @@ static const char *last_log_filename;
#endif
unsigned long reserved_va;
+unsigned long guest_addr_max;
static void usage(int exitcode);
@@ -149,12 +149,14 @@ void fork_start(void)
cpu_list_lock();
qemu_plugin_user_prefork_lock();
gdbserver_fork_start();
+ fd_trans_prefork();
}
void fork_end(pid_t pid)
{
bool child = pid == 0;
+ fd_trans_postfork();
qemu_plugin_user_postfork(child);
mmap_fork_end(child);
if (child) {
@@ -820,7 +822,7 @@ int main(int argc, char **argv, char **envp)
opt_one_insn_per_tb, &error_abort);
object_property_set_int(OBJECT(accel), "tb-size",
opt_tb_size, &error_abort);
- ac->init_machine(NULL);
+ ac->init_machine(accel, NULL);
}
/*
@@ -859,6 +861,13 @@ int main(int argc, char **argv, char **envp)
/* MAX_RESERVED_VA + 1 is a large power of 2, so is aligned. */
reserved_va = max_reserved_va;
}
+ if (reserved_va != 0) {
+ guest_addr_max = reserved_va;
+ } else if (MIN(TARGET_VIRT_ADDR_SPACE_BITS, TARGET_ABI_BITS) <= 32) {
+ guest_addr_max = UINT32_MAX;
+ } else {
+ guest_addr_max = ~0ul;
+ }
/*
* Temporarily disable
diff --git a/linux-user/mips/target_signal.h b/linux-user/mips/target_signal.h
index fa542c1..4481426 100644
--- a/linux-user/mips/target_signal.h
+++ b/linux-user/mips/target_signal.h
@@ -64,7 +64,6 @@ typedef struct target_sigaltstack {
#define TARGET_SA_NODEFER 0x40000000
#define TARGET_SA_RESTART 0x10000000
#define TARGET_SA_RESETHAND 0x80000000
-#define TARGET_SA_RESTORER 0x04000000 /* Only for O32 */
#define TARGET_MINSIGSTKSZ 2048
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index d1f36e6..002e1e6 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -21,6 +21,7 @@
#include "trace.h"
#include "exec/log.h"
#include "exec/page-protection.h"
+#include "exec/mmap-lock.h"
#include "exec/tb-flush.h"
#include "exec/translation-block.h"
#include "qemu.h"
@@ -644,7 +645,7 @@ static abi_long mmap_h_eq_g(abi_ulong start, abi_ulong len,
*
* However, this case is rather common with executable images,
* so the workaround is important for even trivial tests, whereas
- * the mmap of of a file being extended is less common.
+ * the mmap of a file being extended is less common.
*/
static abi_long mmap_h_lt_g(abi_ulong start, abi_ulong len, int host_prot,
int mmap_flags, int page_flags, int fd,
diff --git a/linux-user/qemu.h b/linux-user/qemu.h
index 5f00750..0b19fa4 100644
--- a/linux-user/qemu.h
+++ b/linux-user/qemu.h
@@ -2,7 +2,7 @@
#define QEMU_H
#include "cpu.h"
-#include "exec/cpu_ldst.h"
+#include "accel/tcg/cpu-ldst.h"
#include "user/abitypes.h"
#include "user/page-protection.h"
@@ -362,4 +362,7 @@ void *lock_user_string(abi_ulong guest_addr);
#define unlock_user_struct(host_ptr, guest_addr, copy) \
unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0)
+/* Clone cpu state */
+CPUArchState *cpu_copy(CPUArchState *env);
+
#endif /* QEMU_H */
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 4dafc2c..cd0e739 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -750,7 +750,7 @@ void force_sigsegv(int oldsig)
}
#endif
-void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
+void cpu_loop_exit_sigsegv(CPUState *cpu, vaddr addr,
MMUAccessType access_type, bool maperr, uintptr_t ra)
{
const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
@@ -766,7 +766,7 @@ void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
cpu_loop_exit_restore(cpu, ra);
}
-void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
+void cpu_loop_exit_sigbus(CPUState *cpu, vaddr addr,
MMUAccessType access_type, uintptr_t ra)
{
const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8bfe491..91360a0 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -26,6 +26,7 @@
#include "tcg/startup.h"
#include "target_mman.h"
#include "exec/page-protection.h"
+#include "exec/mmap-lock.h"
#include "exec/tb-flush.h"
#include "exec/translation-block.h"
#include <elf.h>
@@ -789,6 +790,10 @@ safe_syscall6(ssize_t, copy_file_range, int, infd, loff_t *, pinoff,
int, outfd, loff_t *, poutoff, size_t, length,
unsigned int, flags)
#endif
+#if defined(TARGET_NR_fchmodat2) && defined(__NR_fchmodat2)
+safe_syscall4(int, fchmodat2, int, dfd, const char *, filename,
+ unsigned short, mode, unsigned int, flags)
+#endif
/* We do ioctl like this rather than via safe_syscall3 to preserve the
* "third argument might be integer or pointer or not present" behaviour of
@@ -6742,10 +6747,9 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
int pid_child = ret;
pid_fd = pidfd_open(pid_child, 0);
if (pid_fd >= 0) {
- fcntl(pid_fd, F_SETFD, fcntl(pid_fd, F_GETFL)
- | FD_CLOEXEC);
+ qemu_set_cloexec(pid_fd);
} else {
- pid_fd = 0;
+ pid_fd = 0;
}
#endif
put_user_u32(pid_fd, parent_tidptr);
@@ -8134,8 +8138,8 @@ static void open_self_maps_4(const struct open_self_maps_data *d,
* Callback for walk_memory_regions, when read_self_maps() fails.
* Proceed without the benefit of host /proc/self/maps cross-check.
*/
-static int open_self_maps_3(void *opaque, target_ulong guest_start,
- target_ulong guest_end, unsigned long flags)
+static int open_self_maps_3(void *opaque, vaddr guest_start,
+ vaddr guest_end, int flags)
{
static const MapInfo mi = { .is_priv = true };
@@ -8146,8 +8150,8 @@ static int open_self_maps_3(void *opaque, target_ulong guest_start,
/*
* Callback for walk_memory_regions, when read_self_maps() succeeds.
*/
-static int open_self_maps_2(void *opaque, target_ulong guest_start,
- target_ulong guest_end, unsigned long flags)
+static int open_self_maps_2(void *opaque, vaddr guest_start,
+ vaddr guest_end, int flags)
{
const struct open_self_maps_data *d = opaque;
uintptr_t host_start = (uintptr_t)g2h_untagged(guest_start);
@@ -8234,6 +8238,9 @@ static int open_self_stat(CPUArchState *cpu_env, int fd)
} else if (i == 3) {
/* ppid */
g_string_printf(buf, FMT_pid " ", getppid());
+ } else if (i == 4) {
+ /* pgid */
+ g_string_printf(buf, FMT_pid " ", getpgrp());
} else if (i == 19) {
/* num_threads */
int cpus = 0;
@@ -10710,6 +10717,15 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
unlock_user(p, arg2, 0);
return ret;
#endif
+#if defined(TARGET_NR_fchmodat2) && defined(__NR_fchmodat2)
+ case TARGET_NR_fchmodat2:
+ if (!(p = lock_user_string(arg2))) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(safe_fchmodat2(arg1, p, arg3, arg4));
+ unlock_user(p, arg2, 0);
+ return ret;
+#endif
case TARGET_NR_getpriority:
/* Note that negative values are valid for getpriority, so we must
differentiate based on errno settings. */
@@ -11626,10 +11642,14 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
case TARGET_NR_nanosleep:
{
struct timespec req, rem;
- target_to_host_timespec(&req, arg1);
+ if (target_to_host_timespec(&req, arg1)) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(safe_nanosleep(&req, &rem));
if (is_error(ret) && arg2) {
- host_to_target_timespec(arg2, &rem);
+ if (host_to_target_timespec(arg2, &rem)) {
+ return -TARGET_EFAULT;
+ }
}
}
return ret;
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 5d22759..df26a2d 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -515,10 +515,6 @@ struct target_sigaction {
abi_ulong _sa_handler;
#endif
target_sigset_t sa_mask;
-#ifdef TARGET_ARCH_HAS_SA_RESTORER
- /* ??? This is always present, but ignored unless O32. */
- abi_ulong sa_restorer;
-#endif
};
#else
struct target_old_sigaction {
diff --git a/linux-user/user-internals.h b/linux-user/user-internals.h
index 4aa253b..691b9a1 100644
--- a/linux-user/user-internals.h
+++ b/linux-user/user-internals.h
@@ -19,7 +19,6 @@
#define LINUX_USER_USER_INTERNALS_H
#include "user/thunk.h"
-#include "exec/exec-all.h"
#include "qemu/log.h"
extern char *exec_path;
diff --git a/linux-user/xtensa/signal.c b/linux-user/xtensa/signal.c
index 6514b8d..ef8b0c3 100644
--- a/linux-user/xtensa/signal.c
+++ b/linux-user/xtensa/signal.c
@@ -241,7 +241,6 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
give_sigsegv:
force_sigsegv(sig);
- return;
}
static void restore_sigcontext(CPUXtensaState *env,
generated by cgit v1.1 at 2025-07-14 15:18:25 +0000