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-rwxr-xr-xconfigure8
-rw-r--r--include/elf.h1
-rw-r--r--linux-user/Makefile.objs2
-rw-r--r--linux-user/cpu-uname.h1
-rw-r--r--linux-user/elfload.c147
-rw-r--r--linux-user/main.c2
-rw-r--r--linux-user/signal.c3
-rw-r--r--linux-user/syscall.c189
-rw-r--r--linux-user/syscall_defs.h16
-rw-r--r--linux-user/uname.c (renamed from linux-user/cpu-uname.c)101
-rw-r--r--linux-user/uname.h10
-rw-r--r--target-alpha/translate.c2
12 files changed, 322 insertions, 160 deletions
diff --git a/configure b/configure
index 870c939f1d..8c50d78f87 100755
--- a/configure
+++ b/configure
@@ -285,7 +285,6 @@ softmmu="yes"
linux_user="no"
bsd_user="no"
guest_base="yes"
-uname_release=""
aix="no"
blobs="yes"
pkgversion=""
@@ -945,8 +944,6 @@ for opt do
;;
--disable-pie) pie="no"
;;
- --enable-uname-release=*) uname_release="$optarg"
- ;;
--enable-werror) werror="yes"
;;
--disable-werror) werror="no"
@@ -1295,7 +1292,6 @@ Advanced options (experts only):
--fmod-lib path to FMOD library
--fmod-inc path to FMOD includes
--oss-lib path to OSS library
- --enable-uname-release=R Return R for uname -r in usermode emulation
--cpu=CPU Build for host CPU [$cpu]
--disable-uuid disable uuid support
--enable-uuid enable uuid support
@@ -4128,8 +4124,6 @@ echo "xen support $xen"
echo "brlapi support $brlapi"
echo "bluez support $bluez"
echo "Documentation $docs"
-[ ! -z "$uname_release" ] && \
-echo "uname -r $uname_release"
echo "GUEST_BASE $guest_base"
echo "PIE $pie"
echo "vde support $vde"
@@ -4544,8 +4538,6 @@ if [ "$bsd" = "yes" ] ; then
echo "CONFIG_BSD=y" >> $config_host_mak
fi
-echo "CONFIG_UNAME_RELEASE=\"$uname_release\"" >> $config_host_mak
-
if test "$zero_malloc" = "yes" ; then
echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak
fi
diff --git a/include/elf.h b/include/elf.h
index 667af6fc63..1599ab22d8 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -254,6 +254,7 @@ typedef int64_t Elf64_Sxword;
#define AT_SECURE 23 /* boolean, was exec suid-like? */
#define AT_BASE_PLATFORM 24 /* string identifying real platforms */
#define AT_RANDOM 25 /* address of 16 random bytes */
+#define AT_HWCAP2 26 /* extension of AT_HWCAP */
#define AT_EXECFN 31 /* filename of the executable */
#define AT_SYSINFO 32 /* address of kernel entry point */
#define AT_SYSINFO_EHDR 33 /* address of kernel vdso */
diff --git a/linux-user/Makefile.objs b/linux-user/Makefile.objs
index 5899d72d3e..fd5021788f 100644
--- a/linux-user/Makefile.objs
+++ b/linux-user/Makefile.objs
@@ -1,5 +1,5 @@
obj-y = main.o syscall.o strace.o mmap.o signal.o \
- elfload.o linuxload.o uaccess.o cpu-uname.o
+ elfload.o linuxload.o uaccess.o uname.o
obj-$(TARGET_HAS_BFLT) += flatload.o
obj-$(TARGET_I386) += vm86.o
diff --git a/linux-user/cpu-uname.h b/linux-user/cpu-uname.h
deleted file mode 100644
index 32492de71a..0000000000
--- a/linux-user/cpu-uname.h
+++ /dev/null
@@ -1 +0,0 @@
-const char *cpu_to_uname_machine(void *cpu_env);
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index d2380b6ccb..995f999768 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -20,6 +20,7 @@
#undef ARCH_DLINFO
#undef ELF_PLATFORM
#undef ELF_HWCAP
+#undef ELF_HWCAP2
#undef ELF_CLASS
#undef ELF_DATA
#undef ELF_ARCH
@@ -267,17 +268,15 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUX86State *en
#ifdef TARGET_ARM
+#ifndef TARGET_AARCH64
+/* 32 bit ARM definitions */
+
#define ELF_START_MMAP 0x80000000
#define elf_check_arch(x) ((x) == ELF_MACHINE)
#define ELF_ARCH ELF_MACHINE
-
-#ifdef TARGET_AARCH64
-#define ELF_CLASS ELFCLASS64
-#else
#define ELF_CLASS ELFCLASS32
-#endif
static inline void init_thread(struct target_pt_regs *regs,
struct image_info *infop)
@@ -285,10 +284,6 @@ static inline void init_thread(struct target_pt_regs *regs,
abi_long stack = infop->start_stack;
memset(regs, 0, sizeof(*regs));
-#ifdef TARGET_AARCH64
- regs->pc = infop->entry & ~0x3ULL;
- regs->sp = stack;
-#else
regs->ARM_cpsr = 0x10;
if (infop->entry & 1)
regs->ARM_cpsr |= CPSR_T;
@@ -302,7 +297,6 @@ static inline void init_thread(struct target_pt_regs *regs,
/* For uClinux PIC binaries. */
/* XXX: Linux does this only on ARM with no MMU (do we care ?) */
regs->ARM_r10 = infop->start_data;
-#endif
}
#define ELF_NREG 18
@@ -346,13 +340,28 @@ enum
ARM_HWCAP_ARM_EDSP = 1 << 7,
ARM_HWCAP_ARM_JAVA = 1 << 8,
ARM_HWCAP_ARM_IWMMXT = 1 << 9,
- ARM_HWCAP_ARM_THUMBEE = 1 << 10,
- ARM_HWCAP_ARM_NEON = 1 << 11,
- ARM_HWCAP_ARM_VFPv3 = 1 << 12,
- ARM_HWCAP_ARM_VFPv3D16 = 1 << 13,
+ ARM_HWCAP_ARM_CRUNCH = 1 << 10,
+ ARM_HWCAP_ARM_THUMBEE = 1 << 11,
+ ARM_HWCAP_ARM_NEON = 1 << 12,
+ ARM_HWCAP_ARM_VFPv3 = 1 << 13,
+ ARM_HWCAP_ARM_VFPv3D16 = 1 << 14,
+ ARM_HWCAP_ARM_TLS = 1 << 15,
+ ARM_HWCAP_ARM_VFPv4 = 1 << 16,
+ ARM_HWCAP_ARM_IDIVA = 1 << 17,
+ ARM_HWCAP_ARM_IDIVT = 1 << 18,
+ ARM_HWCAP_ARM_VFPD32 = 1 << 19,
+ ARM_HWCAP_ARM_LPAE = 1 << 20,
+ ARM_HWCAP_ARM_EVTSTRM = 1 << 21,
+};
+
+enum {
+ ARM_HWCAP2_ARM_AES = 1 << 0,
+ ARM_HWCAP2_ARM_PMULL = 1 << 1,
+ ARM_HWCAP2_ARM_SHA1 = 1 << 2,
+ ARM_HWCAP2_ARM_SHA2 = 1 << 3,
+ ARM_HWCAP2_ARM_CRC32 = 1 << 4,
};
-#ifndef TARGET_AARCH64
/* The commpage only exists for 32 bit kernels */
#define TARGET_HAS_VALIDATE_GUEST_SPACE
@@ -414,9 +423,9 @@ static int validate_guest_space(unsigned long guest_base,
return 1; /* All good */
}
-#endif
#define ELF_HWCAP get_elf_hwcap()
+#define ELF_HWCAP2 get_elf_hwcap2()
static uint32_t get_elf_hwcap(void)
{
@@ -427,23 +436,114 @@ static uint32_t get_elf_hwcap(void)
hwcaps |= ARM_HWCAP_ARM_HALF;
hwcaps |= ARM_HWCAP_ARM_THUMB;
hwcaps |= ARM_HWCAP_ARM_FAST_MULT;
- hwcaps |= ARM_HWCAP_ARM_FPA;
/* probe for the extra features */
#define GET_FEATURE(feat, hwcap) \
do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0)
+ /* EDSP is in v5TE and above, but all our v5 CPUs are v5TE */
+ GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP);
GET_FEATURE(ARM_FEATURE_VFP, ARM_HWCAP_ARM_VFP);
GET_FEATURE(ARM_FEATURE_IWMMXT, ARM_HWCAP_ARM_IWMMXT);
GET_FEATURE(ARM_FEATURE_THUMB2EE, ARM_HWCAP_ARM_THUMBEE);
GET_FEATURE(ARM_FEATURE_NEON, ARM_HWCAP_ARM_NEON);
GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPv3);
- GET_FEATURE(ARM_FEATURE_VFP_FP16, ARM_HWCAP_ARM_VFPv3D16);
+ GET_FEATURE(ARM_FEATURE_V6K, ARM_HWCAP_ARM_TLS);
+ GET_FEATURE(ARM_FEATURE_VFP4, ARM_HWCAP_ARM_VFPv4);
+ GET_FEATURE(ARM_FEATURE_ARM_DIV, ARM_HWCAP_ARM_IDIVA);
+ GET_FEATURE(ARM_FEATURE_THUMB_DIV, ARM_HWCAP_ARM_IDIVT);
+ /* All QEMU's VFPv3 CPUs have 32 registers, see VFP_DREG in translate.c.
+ * Note that the ARM_HWCAP_ARM_VFPv3D16 bit is always the inverse of
+ * ARM_HWCAP_ARM_VFPD32 (and so always clear for QEMU); it is unrelated
+ * to our VFP_FP16 feature bit.
+ */
+ GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPD32);
+ GET_FEATURE(ARM_FEATURE_LPAE, ARM_HWCAP_ARM_LPAE);
+
+ return hwcaps;
+}
+
+static uint32_t get_elf_hwcap2(void)
+{
+ ARMCPU *cpu = ARM_CPU(thread_cpu);
+ uint32_t hwcaps = 0;
+
+ GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP2_ARM_AES);
+ GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP2_ARM_CRC32);
+ return hwcaps;
+}
+
+#undef GET_FEATURE
+
+#else
+/* 64 bit ARM definitions */
+#define ELF_START_MMAP 0x80000000
+
+#define elf_check_arch(x) ((x) == ELF_MACHINE)
+
+#define ELF_ARCH ELF_MACHINE
+#define ELF_CLASS ELFCLASS64
+#define ELF_PLATFORM "aarch64"
+
+static inline void init_thread(struct target_pt_regs *regs,
+ struct image_info *infop)
+{
+ abi_long stack = infop->start_stack;
+ memset(regs, 0, sizeof(*regs));
+
+ regs->pc = infop->entry & ~0x3ULL;
+ regs->sp = stack;
+}
+
+#define ELF_NREG 34
+typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG];
+
+static void elf_core_copy_regs(target_elf_gregset_t *regs,
+ const CPUARMState *env)
+{
+ int i;
+
+ for (i = 0; i < 32; i++) {
+ (*regs)[i] = tswapreg(env->xregs[i]);
+ }
+ (*regs)[32] = tswapreg(env->pc);
+ (*regs)[33] = tswapreg(pstate_read((CPUARMState *)env));
+}
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE 4096
+
+enum {
+ ARM_HWCAP_A64_FP = 1 << 0,
+ ARM_HWCAP_A64_ASIMD = 1 << 1,
+ ARM_HWCAP_A64_EVTSTRM = 1 << 2,
+ ARM_HWCAP_A64_AES = 1 << 3,
+ ARM_HWCAP_A64_PMULL = 1 << 4,
+ ARM_HWCAP_A64_SHA1 = 1 << 5,
+ ARM_HWCAP_A64_SHA2 = 1 << 6,
+ ARM_HWCAP_A64_CRC32 = 1 << 7,
+};
+
+#define ELF_HWCAP get_elf_hwcap()
+
+static uint32_t get_elf_hwcap(void)
+{
+ ARMCPU *cpu = ARM_CPU(thread_cpu);
+ uint32_t hwcaps = 0;
+
+ hwcaps |= ARM_HWCAP_A64_FP;
+ hwcaps |= ARM_HWCAP_A64_ASIMD;
+
+ /* probe for the extra features */
+#define GET_FEATURE(feat, hwcap) \
+ do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0)
+ GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP_A64_PMULL);
#undef GET_FEATURE
return hwcaps;
}
-#endif
+#endif /* not TARGET_AARCH64 */
+#endif /* TARGET_ARM */
#ifdef TARGET_UNICORE32
@@ -1407,6 +1507,9 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc,
#ifdef DLINFO_ARCH_ITEMS
size += DLINFO_ARCH_ITEMS * 2;
#endif
+#ifdef ELF_HWCAP2
+ size += 2;
+#endif
size += envc + argc + 2;
size += 1; /* argc itself */
size *= n;
@@ -1440,6 +1543,10 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc,
NEW_AUX_ENT(AT_CLKTCK, (abi_ulong) sysconf(_SC_CLK_TCK));
NEW_AUX_ENT(AT_RANDOM, (abi_ulong) u_rand_bytes);
+#ifdef ELF_HWCAP2
+ NEW_AUX_ENT(AT_HWCAP2, (abi_ulong) ELF_HWCAP2);
+#endif
+
if (k_platform)
NEW_AUX_ENT(AT_PLATFORM, u_platform);
#ifdef ARCH_DLINFO
@@ -1455,6 +1562,8 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc,
info->auxv_len = sp_auxv - sp;
sp = loader_build_argptr(envc, argc, sp, p, 0);
+ /* Check the right amount of stack was allocated for auxvec, envp & argv. */
+ assert(sp_auxv - sp == size);
return sp;
}
diff --git a/linux-user/main.c b/linux-user/main.c
index 947358a886..c38fecfdd9 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -69,7 +69,7 @@ unsigned long reserved_va;
static void usage(void);
static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
-const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
+const char *qemu_uname_release;
/* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
we allocate a bigger stack. Need a better solution, for example
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 7d6246f448..5b8a01f998 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -1242,8 +1242,7 @@ static int target_setup_sigframe(struct target_rt_sigframe *sf,
__put_user(env->pc, &sf->uc.tuc_mcontext.pc);
__put_user(pstate_read(env), &sf->uc.tuc_mcontext.pstate);
- __put_user(/*current->thread.fault_address*/ 0,
- &sf->uc.tuc_mcontext.fault_address);
+ __put_user(env->exception.vaddress, &sf->uc.tuc_mcontext.fault_address);
for (i = 0; i < TARGET_NSIG_WORDS; i++) {
__put_user(set->sig[i], &sf->uc.tuc_sigmask.sig[i]);
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9864813b7a..6efeeff2bf 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -60,7 +60,6 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
#include <sys/statfs.h>
#include <utime.h>
#include <sys/sysinfo.h>
-#include <sys/utsname.h>
//#include <sys/user.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
@@ -92,7 +91,6 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
#include <linux/termios.h>
#include <linux/unistd.h>
-#include <linux/utsname.h>
#include <linux/cdrom.h>
#include <linux/hdreg.h>
#include <linux/soundcard.h>
@@ -110,7 +108,7 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
#include <linux/filter.h>
#include <linux/blkpg.h>
#include "linux_loop.h"
-#include "cpu-uname.h"
+#include "uname.h"
#include "qemu.h"
@@ -198,6 +196,11 @@ static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
#define __NR__llseek __NR_lseek
#endif
+/* Newer kernel ports have llseek() instead of _llseek() */
+#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
+#define TARGET_NR__llseek TARGET_NR_llseek
+#endif
+
#ifdef __NR_gettid
_syscall0(int, gettid)
#else
@@ -282,40 +285,6 @@ static bitmask_transtbl fcntl_flags_tbl[] = {
{ 0, 0, 0, 0 }
};
-#define COPY_UTSNAME_FIELD(dest, src) \
- do { \
- /* __NEW_UTS_LEN doesn't include terminating null */ \
- (void) strncpy((dest), (src), __NEW_UTS_LEN); \
- (dest)[__NEW_UTS_LEN] = '\0'; \
- } while (0)
-
-static int sys_uname(struct new_utsname *buf)
-{
- struct utsname uts_buf;
-
- if (uname(&uts_buf) < 0)
- return (-1);
-
- /*
- * Just in case these have some differences, we
- * translate utsname to new_utsname (which is the
- * struct linux kernel uses).
- */
-
- memset(buf, 0, sizeof(*buf));
- COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
- COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
- COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
- COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
- COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
-#ifdef _GNU_SOURCE
- COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
-#endif
- return (0);
-
-#undef COPY_UTSNAME_FIELD
-}
-
static int sys_getcwd1(char *buf, size_t size)
{
if (getcwd(buf, size) == NULL) {
@@ -406,7 +375,7 @@ static int sys_inotify_init1(int flags)
#endif
#define __NR_sys_ppoll __NR_ppoll
_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
- struct timespec *, timeout, const __sigset_t *, sigmask,
+ struct timespec *, timeout, const sigset_t *, sigmask,
size_t, sigsetsize)
#endif
@@ -1242,25 +1211,51 @@ static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
- if ((cmsg->cmsg_level == SOL_SOCKET) &&
- (cmsg->cmsg_type == SCM_RIGHTS)) {
- int *fd = (int *)data;
- int *target_fd = (int *)target_data;
- int i, numfds = len / sizeof(int);
+ switch (cmsg->cmsg_level) {
+ case SOL_SOCKET:
+ switch (cmsg->cmsg_type) {
+ case SCM_RIGHTS:
+ {
+ int *fd = (int *)data;
+ int *target_fd = (int *)target_data;
+ int i, numfds = len / sizeof(int);
- for (i = 0; i < numfds; i++)
- target_fd[i] = tswap32(fd[i]);
- } else if ((cmsg->cmsg_level == SOL_SOCKET) &&
- (cmsg->cmsg_type == SO_TIMESTAMP) &&
- (len == sizeof(struct timeval))) {
- /* copy struct timeval to target */
- struct timeval *tv = (struct timeval *)data;
- struct target_timeval *target_tv =
- (struct target_timeval *)target_data;
-
- target_tv->tv_sec = tswapal(tv->tv_sec);
- target_tv->tv_usec = tswapal(tv->tv_usec);
- } else {
+ for (i = 0; i < numfds; i++)
+ target_fd[i] = tswap32(fd[i]);
+ break;
+ }
+ case SO_TIMESTAMP:
+ {
+ struct timeval *tv = (struct timeval *)data;
+ struct target_timeval *target_tv =
+ (struct target_timeval *)target_data;
+
+ if (len != sizeof(struct timeval))
+ goto unimplemented;
+
+ /* copy struct timeval to target */
+ target_tv->tv_sec = tswapal(tv->tv_sec);
+ target_tv->tv_usec = tswapal(tv->tv_usec);
+ break;
+ }
+ case SCM_CREDENTIALS:
+ {
+ struct ucred *cred = (struct ucred *)data;
+ struct target_ucred *target_cred =
+ (struct target_ucred *)target_data;
+
+ __put_user(cred->pid, &target_cred->pid);
+ __put_user(cred->uid, &target_cred->uid);
+ __put_user(cred->gid, &target_cred->gid);
+ break;
+ }
+ default:
+ goto unimplemented;
+ }
+ break;
+
+ default:
+ unimplemented:
gemu_log("Unsupported ancillary data: %d/%d\n",
cmsg->cmsg_level, cmsg->cmsg_type);
memcpy(target_data, data, len);
@@ -4952,72 +4947,6 @@ int host_to_target_waitstatus(int status)
return status;
}
-static int relstr_to_int(const char *s)
-{
- /* Convert a uname release string like "2.6.18" to an integer
- * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
- */
- int i, n, tmp;
-
- tmp = 0;
- for (i = 0; i < 3; i++) {
- n = 0;
- while (*s >= '0' && *s <= '9') {
- n *= 10;
- n += *s - '0';
- s++;
- }
- tmp = (tmp << 8) + n;
- if (*s == '.') {
- s++;
- }
- }
- return tmp;
-}
-
-int get_osversion(void)
-{
- static int osversion;
- struct new_utsname buf;
- const char *s;
-
- if (osversion)
- return osversion;
- if (qemu_uname_release && *qemu_uname_release) {
- s = qemu_uname_release;
- } else {
- if (sys_uname(&buf))
- return 0;
- s = buf.release;
- }
- osversion = relstr_to_int(s);
- return osversion;
-}
-
-void init_qemu_uname_release(void)
-{
- /* Initialize qemu_uname_release for later use.
- * If the host kernel is too old and the user hasn't asked for
- * a specific fake version number, we might want to fake a minimum
- * target kernel version.
- */
-#ifdef UNAME_MINIMUM_RELEASE
- struct new_utsname buf;
-
- if (qemu_uname_release && *qemu_uname_release) {
- return;
- }
-
- if (sys_uname(&buf)) {
- return;
- }
-
- if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
- qemu_uname_release = UNAME_MINIMUM_RELEASE;
- }
-#endif
-}
-
static int open_self_maps(void *cpu_env, int fd)
{
#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
@@ -5225,6 +5154,11 @@ static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
{ NULL, NULL, NULL }
};
+ if (is_proc_myself(pathname, "exe")) {
+ int execfd = qemu_getauxval(AT_EXECFD);
+ return execfd ? execfd : get_errno(open(exec_path, flags, mode));
+ }
+
for (fake_open = fakes; fake_open->filename; fake_open++) {
if (fake_open->cmp(pathname, fake_open->filename)) {
break;
@@ -6309,7 +6243,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
struct rusage rusage;
ret = get_errno(getrusage(arg1, &rusage));
if (!is_error(ret)) {
- host_to_target_rusage(arg2, &rusage);
+ ret = host_to_target_rusage(arg2, &rusage);
}
}
break;
@@ -6974,6 +6908,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
abi_long status_ptr = arg2;
struct rusage rusage, *rusage_ptr;
abi_ulong target_rusage = arg4;
+ abi_long rusage_err;
if (target_rusage)
rusage_ptr = &rusage;
else
@@ -6985,8 +6920,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
if (put_user_s32(status, status_ptr))
goto efault;
}
- if (target_rusage)
- host_to_target_rusage(target_rusage, &rusage);
+ if (target_rusage) {
+ rusage_err = host_to_target_rusage(target_rusage, &rusage);
+ if (rusage_err) {
+ ret = rusage_err;
+ }
+ }
}
}
break;
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index fdf9a47595..69c3982ee6 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -2552,12 +2552,26 @@ struct target_timer_t {
abi_ulong ptr;
};
+#define TARGET_SIGEV_MAX_SIZE 64
+
+/* This is architecture-specific but most architectures use the default */
+#ifdef TARGET_MIPS
+#define TARGET_SIGEV_PREAMBLE_SIZE (sizeof(int32_t) * 2 + sizeof(abi_long))
+#else
+#define TARGET_SIGEV_PREAMBLE_SIZE (sizeof(int32_t) * 2 \
+ + sizeof(target_sigval_t))
+#endif
+
+#define TARGET_SIGEV_PAD_SIZE ((TARGET_SIGEV_MAX_SIZE \
+ - TARGET_SIGEV_PREAMBLE_SIZE) \
+ / sizeof(int32_t))
+
struct target_sigevent {
target_sigval_t sigev_value;
int32_t sigev_signo;
int32_t sigev_notify;
union {
- int32_t _pad[ARRAY_SIZE(((struct sigevent *)0)->_sigev_un._pad)];
+ int32_t _pad[TARGET_SIGEV_PAD_SIZE];
int32_t _tid;
struct {
diff --git a/linux-user/cpu-uname.c b/linux-user/uname.c
index 5db6e89567..f5d4c66f59 100644
--- a/linux-user/cpu-uname.c
+++ b/linux-user/uname.c
@@ -21,7 +21,7 @@
#include "qemu.h"
//#include "qemu-common.h"
-#include "cpu-uname.h"
+#include "uname.h"
/* return highest utsname machine name for emulated instruction set
*
@@ -70,3 +70,102 @@ const char *cpu_to_uname_machine(void *cpu_env)
return UNAME_MACHINE;
#endif
}
+
+
+#define COPY_UTSNAME_FIELD(dest, src) \
+ do { \
+ /* __NEW_UTS_LEN doesn't include terminating null */ \
+ (void) strncpy((dest), (src), __NEW_UTS_LEN); \
+ (dest)[__NEW_UTS_LEN] = '\0'; \
+ } while (0)
+
+int sys_uname(struct new_utsname *buf)
+{
+ struct utsname uts_buf;
+
+ if (uname(&uts_buf) < 0)
+ return (-1);
+
+ /*
+ * Just in case these have some differences, we
+ * translate utsname to new_utsname (which is the
+ * struct linux kernel uses).
+ */
+
+ memset(buf, 0, sizeof(*buf));
+ COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
+ COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
+ COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
+ COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
+ COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
+#ifdef _GNU_SOURCE
+ COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
+#endif
+ return (0);
+
+#undef COPY_UTSNAME_FIELD
+}
+
+static int relstr_to_int(const char *s)
+{
+ /* Convert a uname release string like "2.6.18" to an integer
+ * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
+ */
+ int i, n, tmp;
+
+ tmp = 0;
+ for (i = 0; i < 3; i++) {
+ n = 0;
+ while (*s >= '0' && *s <= '9') {
+ n *= 10;
+ n += *s - '0';
+ s++;
+ }
+ tmp = (tmp << 8) + n;
+ if (*s == '.') {
+ s++;
+ }
+ }
+ return tmp;
+}
+
+int get_osversion(void)
+{
+ static int osversion;
+ struct new_utsname buf;
+ const char *s;
+
+ if (osversion)
+ return osversion;
+ if (qemu_uname_release && *qemu_uname_release) {
+ s = qemu_uname_release;
+ } else {
+ if (sys_uname(&buf))
+ return 0;
+ s = buf.release;
+ }
+ osversion = relstr_to_int(s);
+ return osversion;
+}
+
+void init_qemu_uname_release(void)
+{
+ /* Initialize qemu_uname_release for later use.
+ * If the host kernel is too old and the user hasn't asked for
+ * a specific fake version number, we might want to fake a minimum
+ * target kernel version.
+ */
+ struct new_utsname buf;
+
+ if (qemu_uname_release && *qemu_uname_release) {
+ return;
+ }
+
+ if (sys_uname(&buf)) {
+ return;
+ }
+
+ if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
+ qemu_uname_release = UNAME_MINIMUM_RELEASE;
+ }
+}
diff --git a/linux-user/uname.h b/linux-user/uname.h
new file mode 100644
index 0000000000..cc62e76cc1
--- /dev/null
+++ b/linux-user/uname.h
@@ -0,0 +1,10 @@
+#ifndef UNAME_H
+#define UNAME_H 1
+
+#include <sys/utsname.h>
+#include <linux/utsname.h>
+
+const char *cpu_to_uname_machine(void *cpu_env);
+int sys_uname(struct new_utsname *buf);
+
+#endif /* UNAME _H */
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index d0357ff114..91c3ed1dd4 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -1201,7 +1201,7 @@ static ExitStatus gen_call_pal(DisasContext *ctx, int palcode)
break;
case 0x3A:
/* RDUSP */
- tcg_gen_st_i64(cpu_ir[IR_V0], cpu_env,
+ tcg_gen_ld_i64(cpu_ir[IR_V0], cpu_env,
offsetof(CPUAlphaState, usp));
break;
case 0x3C:
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-22 07:46:26 +0000