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Diffstat (limited to 'lib/sanitizer_common/sanitizer_platform_limits_posix.cc')
-rw-r--r--lib/sanitizer_common/sanitizer_platform_limits_posix.cc115
1 files changed, 83 insertions, 32 deletions
diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
index aaa37ed02ebd..b642cba0fede 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -12,8 +12,8 @@
// Sizes and layouts of platform-specific POSIX data structures.
//===----------------------------------------------------------------------===//
-
#include "sanitizer_platform.h"
+
#if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_MAC
// Tests in this file assume that off_t-dependent data structures match the
// libc ABI. For example, struct dirent here is what readdir() function (as
@@ -119,9 +119,17 @@
#if SANITIZER_LINUX || SANITIZER_FREEBSD
# include <utime.h>
# include <sys/ptrace.h>
-# if defined(__mips64)
+# if defined(__mips64) || defined(__aarch64__) || defined(__arm__)
# include <asm/ptrace.h>
+# ifdef __arm__
+typedef struct user_fpregs elf_fpregset_t;
+# define ARM_VFPREGS_SIZE_ASAN (32 * 8 /*fpregs*/ + 4 /*fpscr*/)
+# if !defined(ARM_VFPREGS_SIZE)
+# define ARM_VFPREGS_SIZE ARM_VFPREGS_SIZE_ASAN
+# endif
+# endif
# endif
+# include <semaphore.h>
#endif
#if !SANITIZER_ANDROID
@@ -195,7 +203,7 @@ namespace __sanitizer {
unsigned struct_stat_sz = sizeof(struct stat);
#if !SANITIZER_IOS && !SANITIZER_FREEBSD
unsigned struct_stat64_sz = sizeof(struct stat64);
-#endif // !SANITIZER_IOS && !SANITIZER_FREEBSD
+#endif // !SANITIZER_IOS && !SANITIZER_FREEBSD
unsigned struct_rusage_sz = sizeof(struct rusage);
unsigned struct_tm_sz = sizeof(struct tm);
unsigned struct_passwd_sz = sizeof(struct passwd);
@@ -236,27 +244,27 @@ namespace __sanitizer {
unsigned struct_new_utsname_sz = sizeof(struct new_utsname);
unsigned struct_old_utsname_sz = sizeof(struct old_utsname);
unsigned struct_oldold_utsname_sz = sizeof(struct oldold_utsname);
-#endif // SANITIZER_LINUX
+#endif // SANITIZER_LINUX
#if SANITIZER_LINUX || SANITIZER_FREEBSD
unsigned struct_rlimit_sz = sizeof(struct rlimit);
unsigned struct_timespec_sz = sizeof(struct timespec);
unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
-#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
#if SANITIZER_LINUX && !SANITIZER_ANDROID
unsigned struct_ustat_sz = sizeof(struct ustat);
unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
-#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
+#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
unsigned struct_timex_sz = sizeof(struct timex);
unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
unsigned struct_mq_attr_sz = sizeof(struct mq_attr);
unsigned struct_statvfs_sz = sizeof(struct statvfs);
-#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
uptr sig_ign = (uptr)SIG_IGN;
uptr sig_dfl = (uptr)SIG_DFL;
@@ -290,6 +298,12 @@ namespace __sanitizer {
return 0;
}
+#if SANITIZER_LINUX
+unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr));
+#elif SANITIZER_FREEBSD
+unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+#endif
+
#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
int glob_nomatch = GLOB_NOMATCH;
int glob_altdirfunc = GLOB_ALTDIRFUNC;
@@ -297,34 +311,63 @@ namespace __sanitizer {
#if SANITIZER_LINUX && !SANITIZER_ANDROID && \
(defined(__i386) || defined(__x86_64) || defined(__mips64) || \
- defined(__powerpc64__))
-#if defined(__mips64) || defined(__powerpc64__)
+ defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__))
+#if defined(__mips64) || defined(__powerpc64__) || defined(__arm__)
unsigned struct_user_regs_struct_sz = sizeof(struct pt_regs);
unsigned struct_user_fpregs_struct_sz = sizeof(elf_fpregset_t);
+#elif defined(__aarch64__)
+ unsigned struct_user_regs_struct_sz = sizeof(struct user_pt_regs);
+ unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpsimd_state);
#else
unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpregs_struct);
-#endif // __mips64 || __powerpc64__
-#if defined(__x86_64) || defined(__mips64) || defined(__powerpc64__)
+#endif // __mips64 || __powerpc64__ || __aarch64__
+#if defined(__x86_64) || defined(__mips64) || defined(__powerpc64__) || \
+ defined(__aarch64__) || defined(__arm__)
unsigned struct_user_fpxregs_struct_sz = 0;
#else
unsigned struct_user_fpxregs_struct_sz = sizeof(struct user_fpxregs_struct);
-#endif // __x86_64 || __mips64 || __powerpc64__
+#endif // __x86_64 || __mips64 || __powerpc64__ || __aarch64__ || __arm__
+#ifdef __arm__
+ unsigned struct_user_vfpregs_struct_sz = ARM_VFPREGS_SIZE;
+#else
+ unsigned struct_user_vfpregs_struct_sz = 0;
+#endif
int ptrace_peektext = PTRACE_PEEKTEXT;
int ptrace_peekdata = PTRACE_PEEKDATA;
int ptrace_peekuser = PTRACE_PEEKUSER;
+#if (defined(PTRACE_GETREGS) && defined(PTRACE_SETREGS)) || \
+ (defined(PT_GETREGS) && defined(PT_SETREGS))
int ptrace_getregs = PTRACE_GETREGS;
int ptrace_setregs = PTRACE_SETREGS;
+#else
+ int ptrace_getregs = -1;
+ int ptrace_setregs = -1;
+#endif
+#if (defined(PTRACE_GETFPREGS) && defined(PTRACE_SETFPREGS)) || \
+ (defined(PT_GETFPREGS) && defined(PT_SETFPREGS))
int ptrace_getfpregs = PTRACE_GETFPREGS;
int ptrace_setfpregs = PTRACE_SETFPREGS;
-#if defined(PTRACE_GETFPXREGS) && defined(PTRACE_SETFPXREGS)
+#else
+ int ptrace_getfpregs = -1;
+ int ptrace_setfpregs = -1;
+#endif
+#if (defined(PTRACE_GETFPXREGS) && defined(PTRACE_SETFPXREGS)) || \
+ (defined(PT_GETFPXREGS) && defined(PT_SETFPXREGS))
int ptrace_getfpxregs = PTRACE_GETFPXREGS;
int ptrace_setfpxregs = PTRACE_SETFPXREGS;
#else
int ptrace_getfpxregs = -1;
int ptrace_setfpxregs = -1;
-#endif // PTRACE_GETFPXREGS/PTRACE_SETFPXREGS
+#endif // PTRACE_GETFPXREGS/PTRACE_SETFPXREGS
+#if defined(PTRACE_GETVFPREGS) && defined(PTRACE_SETVFPREGS)
+ int ptrace_getvfpregs = PTRACE_GETVFPREGS;
+ int ptrace_setvfpregs = PTRACE_SETVFPREGS;
+#else
+ int ptrace_getvfpregs = -1;
+ int ptrace_setvfpregs = -1;
+#endif
int ptrace_geteventmsg = PTRACE_GETEVENTMSG;
#if (defined(PTRACE_GETSIGINFO) && defined(PTRACE_SETSIGINFO)) || \
(defined(PT_GETSIGINFO) && defined(PT_SETSIGINFO))
@@ -333,14 +376,14 @@ namespace __sanitizer {
#else
int ptrace_getsiginfo = -1;
int ptrace_setsiginfo = -1;
-#endif // PTRACE_GETSIGINFO/PTRACE_SETSIGINFO
+#endif // PTRACE_GETSIGINFO/PTRACE_SETSIGINFO
#if defined(PTRACE_GETREGSET) && defined(PTRACE_SETREGSET)
int ptrace_getregset = PTRACE_GETREGSET;
int ptrace_setregset = PTRACE_SETREGSET;
#else
int ptrace_getregset = -1;
int ptrace_setregset = -1;
-#endif // PTRACE_GETREGSET/PTRACE_SETREGSET
+#endif // PTRACE_GETREGSET/PTRACE_SETREGSET
#endif
unsigned path_max = PATH_MAX;
@@ -378,7 +421,7 @@ namespace __sanitizer {
unsigned struct_vt_consize_sz = sizeof(struct vt_consize);
unsigned struct_vt_sizes_sz = sizeof(struct vt_sizes);
unsigned struct_vt_stat_sz = sizeof(struct vt_stat);
-#endif // SANITIZER_LINUX
+#endif // SANITIZER_LINUX
#if SANITIZER_LINUX || SANITIZER_FREEBSD
#if SOUND_VERSION >= 0x040000
@@ -398,7 +441,7 @@ namespace __sanitizer {
unsigned struct_seq_event_rec_sz = sizeof(struct seq_event_rec);
unsigned struct_synth_info_sz = sizeof(struct synth_info);
unsigned struct_vt_mode_sz = sizeof(struct vt_mode);
-#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
#if SANITIZER_LINUX && !SANITIZER_ANDROID
unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
@@ -423,12 +466,12 @@ namespace __sanitizer {
unsigned struct_sockaddr_ax25_sz = sizeof(struct sockaddr_ax25);
unsigned struct_unimapdesc_sz = sizeof(struct unimapdesc);
unsigned struct_unimapinit_sz = sizeof(struct unimapinit);
-#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
+#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
unsigned struct_audio_buf_info_sz = sizeof(struct audio_buf_info);
unsigned struct_ppp_stats_sz = sizeof(struct ppp_stats);
-#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
#if !SANITIZER_ANDROID && !SANITIZER_MAC
unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
@@ -643,7 +686,7 @@ namespace __sanitizer {
unsigned IOCTL_SOUND_PCM_READ_RATE = SOUND_PCM_READ_RATE;
unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS = SOUND_PCM_WRITE_CHANNELS;
unsigned IOCTL_SOUND_PCM_WRITE_FILTER = SOUND_PCM_WRITE_FILTER;
-#endif // SOUND_VERSION
+#endif // SOUND_VERSION
unsigned IOCTL_TCFLSH = TCFLSH;
unsigned IOCTL_TCGETA = TCGETA;
unsigned IOCTL_TCGETS = TCGETS;
@@ -766,7 +809,7 @@ namespace __sanitizer {
unsigned IOCTL_VT_RELDISP = VT_RELDISP;
unsigned IOCTL_VT_SETMODE = VT_SETMODE;
unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
-#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
#if SANITIZER_LINUX && !SANITIZER_ANDROID
unsigned IOCTL_CYGETDEFTHRESH = CYGETDEFTHRESH;
@@ -857,7 +900,7 @@ namespace __sanitizer {
unsigned IOCTL_TIOCSERGETMULTI = TIOCSERGETMULTI;
unsigned IOCTL_TIOCSERSETMULTI = TIOCSERSETMULTI;
unsigned IOCTL_TIOCSSERIAL = TIOCSSERIAL;
-#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
+#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
unsigned IOCTL_GIO_SCRNMAP = GIO_SCRNMAP;
@@ -875,7 +918,7 @@ namespace __sanitizer {
unsigned IOCTL_PIO_SCRNMAP = PIO_SCRNMAP;
unsigned IOCTL_SNDCTL_DSP_GETISPACE = SNDCTL_DSP_GETISPACE;
unsigned IOCTL_SNDCTL_DSP_GETOSPACE = SNDCTL_DSP_GETOSPACE;
-#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
const int errno_EINVAL = EINVAL;
// EOWNERDEAD is not present in some older platforms.
@@ -887,7 +930,7 @@ namespace __sanitizer {
const int si_SEGV_MAPERR = SEGV_MAPERR;
const int si_SEGV_ACCERR = SEGV_ACCERR;
-} // namespace __sanitizer
+} // namespace __sanitizer
COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
@@ -917,7 +960,7 @@ COMPILER_CHECK(IOC_SIZE(0x12345678) == _IOC_SIZE(0x12345678));
COMPILER_CHECK(IOC_DIR(0x12345678) == _IOC_DIR(0x12345678));
COMPILER_CHECK(IOC_NR(0x12345678) == _IOC_NR(0x12345678));
COMPILER_CHECK(IOC_TYPE(0x12345678) == _IOC_TYPE(0x12345678));
-#endif // SANITIZER_LINUX
+#endif // SANITIZER_LINUX
#if SANITIZER_LINUX || SANITIZER_FREEBSD
// There are more undocumented fields in dl_phdr_info that we are not interested
@@ -927,7 +970,7 @@ CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
-#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
CHECK_TYPE_SIZE(glob_t);
@@ -1124,14 +1167,14 @@ CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
# if SANITIZER_FREEBSD
CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
# else
-COMPILER_CHECK(sizeof(((__sanitizer_ifaddrs *)NULL)->ifa_dstaddr) ==
- sizeof(((ifaddrs *)NULL)->ifa_ifu));
+COMPILER_CHECK(sizeof(((__sanitizer_ifaddrs *)nullptr)->ifa_dstaddr) ==
+ sizeof(((ifaddrs *)nullptr)->ifa_ifu));
COMPILER_CHECK(offsetof(__sanitizer_ifaddrs, ifa_dstaddr) ==
offsetof(ifaddrs, ifa_ifu));
-# endif // SANITIZER_FREEBSD
+# endif // SANITIZER_FREEBSD
#else
CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
-#endif // SANITIZER_LINUX
+#endif // SANITIZER_LINUX
CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
#endif
@@ -1221,4 +1264,12 @@ CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, seek);
CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, close);
#endif
-#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_MAC
+#if SANITIZER_LINUX || SANITIZER_FREEBSD
+CHECK_TYPE_SIZE(sem_t);
+#endif
+
+#if SANITIZER_LINUX && defined(__arm__)
+COMPILER_CHECK(ARM_VFPREGS_SIZE == ARM_VFPREGS_SIZE_ASAN);
+#endif
+
+#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_MAC