diff options
Diffstat (limited to 'linux-user')
43 files changed, 390 insertions, 176 deletions
diff --git a/linux-user/Makefile.objs b/linux-user/Makefile.objs deleted file mode 100644 index 1940910a73..0000000000 --- a/linux-user/Makefile.objs +++ /dev/null @@ -1,25 +0,0 @@ -obj-y = main.o syscall.o strace.o mmap.o signal.o \ - elfload.o linuxload.o uaccess.o uname.o \ - safe-syscall.o $(TARGET_ABI_DIR)/signal.o \ - $(TARGET_ABI_DIR)/cpu_loop.o exit.o fd-trans.o - -obj-$(TARGET_HAS_BFLT) += flatload.o -obj-$(TARGET_I386) += vm86.o -obj-$(TARGET_AARCH64) += arm/semihost.o - -obj-$(TARGET_ALPHA) += alpha/ -obj-$(TARGET_ARM) += arm/ -obj-$(TARGET_HPPA) += hppa/ -obj-$(TARGET_I386) += i386/ -obj-$(TARGET_M68K) += m68k/ -obj-$(TARGET_MICROBLAZE) += microblaze/ -obj-$(TARGET_MIPS) += mips/ -obj-$(TARGET_MIPS64) += mips64/ -obj-$(TARGET_PPC) += ppc/ -obj-$(TARGET_PPC64) += ppc/ -obj-$(TARGET_S390X) += s390x/ -obj-$(TARGET_SH4) += sh4/ -obj-$(TARGET_SPARC) += sparc/ -obj-$(TARGET_SPARC64) += $(TARGET_ABI_DIR)/ -obj-$(TARGET_X86_64) += x86_64/ -obj-$(TARGET_XTENSA) += xtensa/ diff --git a/linux-user/alpha/Makefile.objs b/linux-user/alpha/Makefile.objs deleted file mode 100644 index d6397a70ab..0000000000 --- a/linux-user/alpha/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/alpha/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/alpha/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/alpha/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/alpha/meson.build b/linux-user/alpha/meson.build new file mode 100644 index 0000000000..a3cd22d2c4 --- /dev/null +++ b/linux-user/alpha/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'alpha': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/arm/Makefile.objs b/linux-user/arm/Makefile.objs deleted file mode 100644 index c7eb94dcba..0000000000 --- a/linux-user/arm/Makefile.objs +++ /dev/null @@ -1,8 +0,0 @@ -obj-$(TARGET_ARM) += nwfpe/ -obj-$(TARGET_ARM) += semihost.o - -generated-files-y += linux-user/arm/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/arm/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/arm/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/arm/meson.build b/linux-user/arm/meson.build new file mode 100644 index 0000000000..432984b58e --- /dev/null +++ b/linux-user/arm/meson.build @@ -0,0 +1,10 @@ +linux_user_ss.add(when: 'TARGET_AARCH64', if_true: files('semihost.c')) +linux_user_ss.add(when: 'TARGET_ARM', if_true: files('semihost.c')) + +subdir('nwfpe') + +syscall_nr_generators += { + 'arm': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/arm/nwfpe/Makefile.objs b/linux-user/arm/nwfpe/Makefile.objs deleted file mode 100644 index 51b0c32c2a..0000000000 --- a/linux-user/arm/nwfpe/Makefile.objs +++ /dev/null @@ -1,2 +0,0 @@ -obj-y = fpa11.o fpa11_cpdo.o fpa11_cpdt.o fpa11_cprt.o fpopcode.o -obj-y += single_cpdo.o double_cpdo.o extended_cpdo.o diff --git a/linux-user/arm/nwfpe/meson.build b/linux-user/arm/nwfpe/meson.build new file mode 100644 index 0000000000..1c27e55f2a --- /dev/null +++ b/linux-user/arm/nwfpe/meson.build @@ -0,0 +1,10 @@ +linux_user_ss.add(when: 'TARGET_ARM', if_true: files( + 'double_cpdo.c', + 'extended_cpdo.c', + 'fpa11.c', + 'fpa11_cpdo.c', + 'fpa11_cpdt.c', + 'fpa11_cprt.c', + 'fpopcode.c', + 'single_cpdo.c', +)) diff --git a/linux-user/hppa/Makefile.objs b/linux-user/hppa/Makefile.objs deleted file mode 100644 index f8368be6f3..0000000000 --- a/linux-user/hppa/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/hppa/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/hppa/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/hppa/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/hppa/meson.build b/linux-user/hppa/meson.build new file mode 100644 index 0000000000..4709508a09 --- /dev/null +++ b/linux-user/hppa/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'hppa': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/i386/Makefile.objs b/linux-user/i386/Makefile.objs deleted file mode 100644 index c25cf17bfb..0000000000 --- a/linux-user/i386/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/i386/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/i386/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/i386/syscall_32.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/i386/meson.build b/linux-user/i386/meson.build new file mode 100644 index 0000000000..ee523019a5 --- /dev/null +++ b/linux-user/i386/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'i386': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/i386/syscall_nr.h b/linux-user/i386/syscall_nr.h new file mode 100644 index 0000000000..976caab67f --- /dev/null +++ b/linux-user/i386/syscall_nr.h @@ -0,0 +1 @@ +#include "syscall_32_nr.h" diff --git a/linux-user/m68k/Makefile.objs b/linux-user/m68k/Makefile.objs deleted file mode 100644 index 961bd05c23..0000000000 --- a/linux-user/m68k/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/m68k/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/m68k/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/m68k/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/m68k/meson.build b/linux-user/m68k/meson.build new file mode 100644 index 0000000000..c0f436fe50 --- /dev/null +++ b/linux-user/m68k/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'm68k': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/meson.build b/linux-user/meson.build new file mode 100644 index 0000000000..2b94e4ba24 --- /dev/null +++ b/linux-user/meson.build @@ -0,0 +1,37 @@ +linux_user_ss.add(files( + 'elfload.c', + 'exit.c', + 'fd-trans.c', + 'linuxload.c', + 'main.c', + 'mmap.c', + 'safe-syscall.S', + 'signal.c', + 'strace.c', + 'syscall.c', + 'uaccess.c', + 'uname.c', +)) +linux_user_ss.add(rt) + +linux_user_ss.add(when: 'TARGET_HAS_BFLT', if_true: files('flatload.c')) +linux_user_ss.add(when: 'TARGET_I386', if_true: files('vm86.c')) + + +syscall_nr_generators = {} + +subdir('alpha') +subdir('arm') +subdir('hppa') +subdir('i386') +subdir('m68k') +subdir('microblaze') +subdir('mips64') +subdir('mips') +subdir('ppc') +subdir('s390x') +subdir('sh4') +subdir('sparc64') +subdir('sparc') +subdir('x86_64') +subdir('xtensa') diff --git a/linux-user/microblaze/Makefile.objs b/linux-user/microblaze/Makefile.objs deleted file mode 100644 index bb8b318dda..0000000000 --- a/linux-user/microblaze/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/microblaze/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/microblaze/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/microblaze/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/microblaze/meson.build b/linux-user/microblaze/meson.build new file mode 100644 index 0000000000..f749d89418 --- /dev/null +++ b/linux-user/microblaze/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'microblaze': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/mips/Makefile.objs b/linux-user/mips/Makefile.objs deleted file mode 100644 index 9be4de07d9..0000000000 --- a/linux-user/mips/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/mips/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/mips/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/mips/syscall_o32.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI) "" 4000,"GEN","$@") diff --git a/linux-user/mips/meson.build b/linux-user/mips/meson.build new file mode 100644 index 0000000000..262a35703b --- /dev/null +++ b/linux-user/mips/meson.build @@ -0,0 +1,6 @@ +syscall_nr_generators += { + 'mips': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@', + '', '4000' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/mips/syscall_nr.h b/linux-user/mips/syscall_nr.h new file mode 100644 index 0000000000..45d133c6f9 --- /dev/null +++ b/linux-user/mips/syscall_nr.h @@ -0,0 +1 @@ +#include "syscall_o32_nr.h" diff --git a/linux-user/mips64/Makefile.objs b/linux-user/mips64/Makefile.objs deleted file mode 100644 index 573448f956..0000000000 --- a/linux-user/mips64/Makefile.objs +++ /dev/null @@ -1,12 +0,0 @@ -generated-files-y += linux-user/$(TARGET_ABI_DIR)/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscallhdr.sh - -ifeq ($(TARGET_SYSTBL_ABI),n32) -%/syscall_nr.h: $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscall_n32.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ n32 "" 6000,"GEN","$@") -endif -ifeq ($(TARGET_SYSTBL_ABI),n64) -%/syscall_nr.h: $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscall_n64.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ n64 "" 5000,"GEN","$@") -endif diff --git a/linux-user/mips64/meson.build b/linux-user/mips64/meson.build new file mode 100644 index 0000000000..0caab5fabd --- /dev/null +++ b/linux-user/mips64/meson.build @@ -0,0 +1,6 @@ +syscall_nr_generators += { + 'mips64': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@', + '', 'TARGET_SYSCALL_OFFSET' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/mips64/syscall_nr.h b/linux-user/mips64/syscall_nr.h new file mode 100644 index 0000000000..672f2fa51c --- /dev/null +++ b/linux-user/mips64/syscall_nr.h @@ -0,0 +1,7 @@ +#ifdef TARGET_ABI_MIPSN32 +#define TARGET_SYSCALL_OFFSET 6000 +#include "syscall_n32_nr.h" +#else +#define TARGET_SYSCALL_OFFSET 5000 +#include "syscall_n64_nr.h" +#endif diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 0019447892..f261563420 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -59,64 +59,100 @@ void mmap_fork_end(int child) pthread_mutex_unlock(&mmap_mutex); } +/* + * Validate target prot bitmask. + * Return the prot bitmask for the host in *HOST_PROT. + * Return 0 if the target prot bitmask is invalid, otherwise + * the internal qemu page_flags (which will include PAGE_VALID). + */ +static int validate_prot_to_pageflags(int *host_prot, int prot) +{ + int valid = PROT_READ | PROT_WRITE | PROT_EXEC | TARGET_PROT_SEM; + int page_flags = (prot & PAGE_BITS) | PAGE_VALID; + + /* + * For the host, we need not pass anything except read/write/exec. + * While PROT_SEM is allowed by all hosts, it is also ignored, so + * don't bother transforming guest bit to host bit. Any other + * target-specific prot bits will not be understood by the host + * and will need to be encoded into page_flags for qemu emulation. + * + * Pages that are executable by the guest will never be executed + * by the host, but the host will need to be able to read them. + */ + *host_prot = (prot & (PROT_READ | PROT_WRITE)) + | (prot & PROT_EXEC ? PROT_READ : 0); + + return prot & ~valid ? 0 : page_flags; +} + /* NOTE: all the constants are the HOST ones, but addresses are target. */ -int target_mprotect(abi_ulong start, abi_ulong len, int prot) +int target_mprotect(abi_ulong start, abi_ulong len, int target_prot) { abi_ulong end, host_start, host_end, addr; - int prot1, ret; + int prot1, ret, page_flags, host_prot; - trace_target_mprotect(start, len, prot); + trace_target_mprotect(start, len, target_prot); - if ((start & ~TARGET_PAGE_MASK) != 0) + if ((start & ~TARGET_PAGE_MASK) != 0) { return -TARGET_EINVAL; + } + page_flags = validate_prot_to_pageflags(&host_prot, target_prot); + if (!page_flags) { + return -TARGET_EINVAL; + } len = TARGET_PAGE_ALIGN(len); end = start + len; if (!guest_range_valid(start, len)) { return -TARGET_ENOMEM; } - prot &= PROT_READ | PROT_WRITE | PROT_EXEC; - if (len == 0) + if (len == 0) { return 0; + } mmap_lock(); host_start = start & qemu_host_page_mask; host_end = HOST_PAGE_ALIGN(end); if (start > host_start) { /* handle host page containing start */ - prot1 = prot; - for(addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) { + prot1 = host_prot; + for (addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) { prot1 |= page_get_flags(addr); } if (host_end == host_start + qemu_host_page_size) { - for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) { + for (addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) { prot1 |= page_get_flags(addr); } end = host_end; } - ret = mprotect(g2h(host_start), qemu_host_page_size, prot1 & PAGE_BITS); - if (ret != 0) + ret = mprotect(g2h(host_start), qemu_host_page_size, + prot1 & PAGE_BITS); + if (ret != 0) { goto error; + } host_start += qemu_host_page_size; } if (end < host_end) { - prot1 = prot; - for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) { + prot1 = host_prot; + for (addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) { prot1 |= page_get_flags(addr); } - ret = mprotect(g2h(host_end - qemu_host_page_size), qemu_host_page_size, - prot1 & PAGE_BITS); - if (ret != 0) + ret = mprotect(g2h(host_end - qemu_host_page_size), + qemu_host_page_size, prot1 & PAGE_BITS); + if (ret != 0) { goto error; + } host_end -= qemu_host_page_size; } /* handle the pages in the middle */ if (host_start < host_end) { - ret = mprotect(g2h(host_start), host_end - host_start, prot); - if (ret != 0) + ret = mprotect(g2h(host_start), host_end - host_start, host_prot); + if (ret != 0) { goto error; + } } - page_set_flags(start, start + len, prot | PAGE_VALID); + page_set_flags(start, start + len, page_flags); mmap_unlock(); return 0; error: @@ -360,19 +396,26 @@ abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size, abi_ulong align) } /* NOTE: all the constants are the HOST ones */ -abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, +abi_long target_mmap(abi_ulong start, abi_ulong len, int target_prot, int flags, int fd, abi_ulong offset) { abi_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len; + int page_flags, host_prot; mmap_lock(); - trace_target_mmap(start, len, prot, flags, fd, offset); + trace_target_mmap(start, len, target_prot, flags, fd, offset); if (!len) { errno = EINVAL; goto fail; } + page_flags = validate_prot_to_pageflags(&host_prot, target_prot); + if (!page_flags) { + errno = EINVAL; + goto fail; + } + /* Also check for overflows... */ len = TARGET_PAGE_ALIGN(len); if (!len) { @@ -438,14 +481,15 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, /* Note: we prefer to control the mapping address. It is especially important if qemu_host_page_size > qemu_real_host_page_size */ - p = mmap(g2h(start), host_len, prot, + p = mmap(g2h(start), host_len, host_prot, flags | MAP_FIXED | MAP_ANONYMOUS, -1, 0); - if (p == MAP_FAILED) + if (p == MAP_FAILED) { goto fail; + } /* update start so that it points to the file position at 'offset' */ host_start = (unsigned long)p; if (!(flags & MAP_ANONYMOUS)) { - p = mmap(g2h(start), len, prot, + p = mmap(g2h(start), len, host_prot, flags | MAP_FIXED, fd, host_offset); if (p == MAP_FAILED) { munmap(g2h(start), host_len); @@ -479,19 +523,19 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, /* msync() won't work here, so we return an error if write is possible while it is a shared mapping */ if ((flags & MAP_TYPE) == MAP_SHARED && - (prot & PROT_WRITE)) { + (host_prot & PROT_WRITE)) { errno = EINVAL; goto fail; } - retaddr = target_mmap(start, len, prot | PROT_WRITE, + retaddr = target_mmap(start, len, target_prot | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (retaddr == -1) goto fail; if (pread(fd, g2h(start), len, offset) == -1) goto fail; - if (!(prot & PROT_WRITE)) { - ret = target_mprotect(start, len, prot); + if (!(host_prot & PROT_WRITE)) { + ret = target_mprotect(start, len, target_prot); assert(ret == 0); } goto the_end; @@ -502,13 +546,13 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, if (real_end == real_start + qemu_host_page_size) { /* one single host page */ ret = mmap_frag(real_start, start, end, - prot, flags, fd, offset); + host_prot, flags, fd, offset); if (ret == -1) goto fail; goto the_end1; } ret = mmap_frag(real_start, start, real_start + qemu_host_page_size, - prot, flags, fd, offset); + host_prot, flags, fd, offset); if (ret == -1) goto fail; real_start += qemu_host_page_size; @@ -517,7 +561,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, if (end < real_end) { ret = mmap_frag(real_end - qemu_host_page_size, real_end - qemu_host_page_size, end, - prot, flags, fd, + host_prot, flags, fd, offset + real_end - qemu_host_page_size - start); if (ret == -1) goto fail; @@ -533,13 +577,13 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, else offset1 = offset + real_start - start; p = mmap(g2h(real_start), real_end - real_start, - prot, flags, fd, offset1); + host_prot, flags, fd, offset1); if (p == MAP_FAILED) goto fail; } } the_end1: - page_set_flags(start, start + len, prot | PAGE_VALID); + page_set_flags(start, start + len, page_flags); the_end: trace_target_mmap_complete(start); if (qemu_loglevel_mask(CPU_LOG_PAGE)) { diff --git a/linux-user/ppc/Makefile.objs b/linux-user/ppc/Makefile.objs deleted file mode 100644 index be92e67eb1..0000000000 --- a/linux-user/ppc/Makefile.objs +++ /dev/null @@ -1,6 +0,0 @@ -generated-files-y += linux-user/$(TARGET_ABI_DIR)/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscallhdr.sh - -%/syscall_nr.h: $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/ppc/meson.build b/linux-user/ppc/meson.build new file mode 100644 index 0000000000..19fead7bc8 --- /dev/null +++ b/linux-user/ppc/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'ppc': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/s390x/Makefile.objs b/linux-user/s390x/Makefile.objs deleted file mode 100644 index f30f1625cc..0000000000 --- a/linux-user/s390x/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/s390x/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/s390x/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/s390x/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/s390x/meson.build b/linux-user/s390x/meson.build new file mode 100644 index 0000000000..0781ccea1d --- /dev/null +++ b/linux-user/s390x/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 's390x': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/sh4/Makefile.objs b/linux-user/sh4/Makefile.objs deleted file mode 100644 index 83fc939570..0000000000 --- a/linux-user/sh4/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/sh4/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/sh4/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/sh4/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/sh4/meson.build b/linux-user/sh4/meson.build new file mode 100644 index 0000000000..3bc3a6924a --- /dev/null +++ b/linux-user/sh4/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'sh4': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/sparc/Makefile.objs b/linux-user/sparc/Makefile.objs deleted file mode 100644 index 29d3f066cb..0000000000 --- a/linux-user/sparc/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/sparc/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/sparc/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/sparc/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/sparc/meson.build b/linux-user/sparc/meson.build new file mode 100644 index 0000000000..51a9c7795c --- /dev/null +++ b/linux-user/sparc/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'sparc': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/sparc64/Makefile.objs b/linux-user/sparc64/Makefile.objs deleted file mode 100644 index afcd535bc4..0000000000 --- a/linux-user/sparc64/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/sparc64/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/sparc64/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/sparc/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/sparc64/meson.build b/linux-user/sparc64/meson.build new file mode 100644 index 0000000000..9527a40ed4 --- /dev/null +++ b/linux-user/sparc64/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'sparc64': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/strace.c b/linux-user/strace.c index 13981341b3..5e38048643 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -541,6 +541,7 @@ static void print_fdset(int n, abi_ulong target_fds_addr) { int i; + int first = 1; qemu_log("["); if( target_fds_addr ) { @@ -555,9 +556,12 @@ print_fdset(int n, abi_ulong target_fds_addr) return; for (i=n; i>=0; i--) { - if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1) - qemu_log("%d,", i); + if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >> + (i & (TARGET_ABI_BITS - 1))) & 1) { + qemu_log("%s%d", get_comma(first), i); + first = 0; } + } unlock_user(target_fds, target_fds_addr, 0); } qemu_log("]"); diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 945fc25279..b4a7b605f3 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1229,7 +1229,9 @@ static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr, defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \ defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \ defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \ - defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) + defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \ + defined(TARGET_NR_timer_settime) || \ + (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) static inline abi_long target_to_host_timespec(struct timespec *host_ts, abi_ulong target_addr) { @@ -1245,7 +1247,9 @@ static inline abi_long target_to_host_timespec(struct timespec *host_ts, } #endif -#if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) +#if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \ + defined(TARGET_NR_timer_settime64) || \ + (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) static inline abi_long target_to_host_timespec64(struct timespec *host_ts, abi_ulong target_addr) { @@ -6783,46 +6787,74 @@ static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, #if defined(TARGET_NR_timer_settime) || \ (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) -static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, +static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its, abi_ulong target_addr) { - struct target_itimerspec *target_itspec; - - if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { + if (target_to_host_timespec(&host_its->it_interval, target_addr + + offsetof(struct target_itimerspec, + it_interval)) || + target_to_host_timespec(&host_its->it_value, target_addr + + offsetof(struct target_itimerspec, + it_value))) { return -TARGET_EFAULT; } - host_itspec->it_interval.tv_sec = - tswapal(target_itspec->it_interval.tv_sec); - host_itspec->it_interval.tv_nsec = - tswapal(target_itspec->it_interval.tv_nsec); - host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); - host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); + return 0; +} +#endif + +#if defined(TARGET_NR_timer_settime64) || \ + (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) +static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its, + abi_ulong target_addr) +{ + if (target_to_host_timespec64(&host_its->it_interval, target_addr + + offsetof(struct target__kernel_itimerspec, + it_interval)) || + target_to_host_timespec64(&host_its->it_value, target_addr + + offsetof(struct target__kernel_itimerspec, + it_value))) { + return -TARGET_EFAULT; + } - unlock_user_struct(target_itspec, target_addr, 1); return 0; } #endif #if ((defined(TARGET_NR_timerfd_gettime) || \ defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \ - defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime) + defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime) static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, - struct itimerspec *host_its) -{ - struct target_itimerspec *target_itspec; - - if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { + struct itimerspec *host_its) +{ + if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, + it_interval), + &host_its->it_interval) || + host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, + it_value), + &host_its->it_value)) { return -TARGET_EFAULT; } + return 0; +} +#endif - target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); - target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); - - target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); - target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); - - unlock_user_struct(target_itspec, target_addr, 0); +#if ((defined(TARGET_NR_timerfd_gettime64) || \ + defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \ + defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64) +static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr, + struct itimerspec *host_its) +{ + if (host_to_target_timespec64(target_addr + + offsetof(struct target__kernel_itimerspec, + it_interval), + &host_its->it_interval) || + host_to_target_timespec64(target_addr + + offsetof(struct target__kernel_itimerspec, + it_value), + &host_its->it_value)) { + return -TARGET_EFAULT; + } return 0; } #endif @@ -11819,6 +11851,17 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; } #endif +#ifdef TARGET_NR_clock_getres_time64 + case TARGET_NR_clock_getres_time64: + { + struct timespec ts; + ret = get_errno(clock_getres(arg1, &ts)); + if (!is_error(ret)) { + host_to_target_timespec64(arg2, &ts); + } + return ret; + } +#endif #ifdef TARGET_NR_clock_nanosleep case TARGET_NR_clock_nanosleep: { @@ -11876,8 +11919,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!arg3) { tsp = NULL; } else { - target_to_host_timespec(ts, arg3); - target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); + if (target_to_host_timespec(ts, arg3)) { + return -TARGET_EFAULT; + } + if (target_to_host_timespec(ts + 1, arg3 + + sizeof(struct target_timespec))) { + return -TARGET_EFAULT; + } tsp = ts; } if (!arg2) @@ -12413,6 +12461,32 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } #endif +#ifdef TARGET_NR_timer_settime64 + case TARGET_NR_timer_settime64: + { + target_timer_t timerid = get_timer_id(arg1); + + if (timerid < 0) { + ret = timerid; + } else if (arg3 == 0) { + ret = -TARGET_EINVAL; + } else { + timer_t htimer = g_posix_timers[timerid]; + struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; + + if (target_to_host_itimerspec64(&hspec_new, arg3)) { + return -TARGET_EFAULT; + } + ret = get_errno( + timer_settime(htimer, arg2, &hspec_new, &hspec_old)); + if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) { + return -TARGET_EFAULT; + } + } + return ret; + } +#endif + #ifdef TARGET_NR_timer_gettime case TARGET_NR_timer_gettime: { @@ -12436,6 +12510,29 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } #endif +#ifdef TARGET_NR_timer_gettime64 + case TARGET_NR_timer_gettime64: + { + /* args: timer_t timerid, struct itimerspec64 *curr_value */ + target_timer_t timerid = get_timer_id(arg1); + + if (timerid < 0) { + ret = timerid; + } else if (!arg2) { + ret = -TARGET_EFAULT; + } else { + timer_t htimer = g_posix_timers[timerid]; + struct itimerspec hspec; + ret = get_errno(timer_gettime(htimer, &hspec)); + + if (host_to_target_itimerspec64(arg2, &hspec)) { + ret = -TARGET_EFAULT; + } + } + return ret; + } +#endif + #ifdef TARGET_NR_timer_getoverrun case TARGET_NR_timer_getoverrun: { @@ -12489,6 +12586,20 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; #endif +#if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD) + case TARGET_NR_timerfd_gettime64: + { + struct itimerspec its_curr; + + ret = get_errno(timerfd_gettime(arg1, &its_curr)); + + if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) { + return -TARGET_EFAULT; + } + } + return ret; +#endif + #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) case TARGET_NR_timerfd_settime: { @@ -12512,6 +12623,29 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; #endif +#if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD) + case TARGET_NR_timerfd_settime64: + { + struct itimerspec its_new, its_old, *p_new; + + if (arg3) { + if (target_to_host_itimerspec64(&its_new, arg3)) { + return -TARGET_EFAULT; + } + p_new = &its_new; + } else { + p_new = NULL; + } + + ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); + + if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) { + return -TARGET_EFAULT; + } + } + return ret; +#endif + #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) case TARGET_NR_ioprio_get: return get_errno(ioprio_get(arg1, arg2)); diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 3c261cff0e..427a25f5bc 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -259,6 +259,11 @@ struct target_itimerspec { struct target_timespec it_value; }; +struct target__kernel_itimerspec { + struct target__kernel_timespec it_interval; + struct target__kernel_timespec it_value; +}; + struct target_timex { abi_uint modes; /* Mode selector */ abi_long offset; /* Time offset */ diff --git a/linux-user/trace.h b/linux-user/trace.h new file mode 100644 index 0000000000..05518e4694 --- /dev/null +++ b/linux-user/trace.h @@ -0,0 +1 @@ +#include "trace/trace-linux_user.h" diff --git a/linux-user/x86_64/Makefile.objs b/linux-user/x86_64/Makefile.objs deleted file mode 100644 index 2cef1d48be..0000000000 --- a/linux-user/x86_64/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/x86_64/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/x86_64/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/x86_64/syscall_64.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/x86_64/meson.build b/linux-user/x86_64/meson.build new file mode 100644 index 0000000000..203af9a60c --- /dev/null +++ b/linux-user/x86_64/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'x86_64': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} diff --git a/linux-user/x86_64/syscall_nr.h b/linux-user/x86_64/syscall_nr.h new file mode 100644 index 0000000000..760302cb3e --- /dev/null +++ b/linux-user/x86_64/syscall_nr.h @@ -0,0 +1 @@ +#include "syscall_64_nr.h" diff --git a/linux-user/xtensa/Makefile.objs b/linux-user/xtensa/Makefile.objs deleted file mode 100644 index d4be1b7455..0000000000 --- a/linux-user/xtensa/Makefile.objs +++ /dev/null @@ -1,5 +0,0 @@ -generated-files-y += linux-user/xtensa/syscall_nr.h - -syshdr := $(SRC_PATH)/linux-user/xtensa/syscallhdr.sh -%/syscall_nr.h: $(SRC_PATH)/linux-user/xtensa/syscall.tbl $(syshdr) - $(call quiet-command, sh $(syshdr) $< $@ $(TARGET_SYSTBL_ABI),"GEN","$@") diff --git a/linux-user/xtensa/meson.build b/linux-user/xtensa/meson.build new file mode 100644 index 0000000000..de77f3b66a --- /dev/null +++ b/linux-user/xtensa/meson.build @@ -0,0 +1,5 @@ +syscall_nr_generators += { + 'xtensa': generator(sh, + arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@' ], + output: '@BASENAME@_nr.h') +} |