93 lines
4.0 KiB
Diff
93 lines
4.0 KiB
Diff
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This patch works around build issues in libsanitizer. Note that we carry the
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same patches for GCC since it includes the same libsanitizer.
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Work around this build error on glibc 2.26:
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/tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/asan/asan_linux.cc: In function 'bool __asan::AsanInterceptsSignal(int)':
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/tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/asan/asan_linux.cc:224:20: error: 'SIGSEGV' was not declared in this scope
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diff --git a/libsanitizer/asan/asan_linux.cc b/libsanitizer/asan/asan_linux.cc
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index c504168..59087b9 100644
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--- a/lib/asan/asan_linux.cc
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+++ b/lib/asan/asan_linux.cc
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@@ -29,6 +29,7 @@
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <pthread.h>
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+#include <signal.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <unwind.h>
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Now, work around this other error:
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/tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: In function 'int __sanitizer::TracerThread(void*)':
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/tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc:239:22: error: aggregate 'sigaltstack handler_stack' has incomplete type and cannot be defined
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diff --git a/lib/sanitizer_common/sanitizer_linux.cc b/lib/sanitizer_common/sanitizer_linux.cc
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index 2cefa20..223d9c6 100644
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--- a/lib/sanitizer_common/sanitizer_linux.cc
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+++ b/lib/sanitizer_common/sanitizer_linux.cc
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@@ -546,8 +546,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {
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}
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#endif
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-uptr internal_sigaltstack(const struct sigaltstack *ss,
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- struct sigaltstack *oss) {
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+uptr internal_sigaltstack(const void *ss, void *oss) {
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return internal_syscall(SYSCALL(sigaltstack), (uptr)ss, (uptr)oss);
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}
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diff --git a/lib/sanitizer_common/sanitizer_linux.h b/lib/sanitizer_common/sanitizer_linux.h
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index 4497702..1594058 100644
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--- a/lib/sanitizer_common/sanitizer_linux.h
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+++ b/lib/sanitizer_common/sanitizer_linux.h
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@@ -19,7 +19,6 @@
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#include "sanitizer_platform_limits_posix.h"
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struct link_map; // Opaque type returned by dlopen().
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-struct sigaltstack;
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namespace __sanitizer {
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// Dirent structure for getdents(). Note that this structure is different from
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@@ -28,8 +27,7 @@ struct linux_dirent;
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// Syscall wrappers.
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uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);
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-uptr internal_sigaltstack(const struct sigaltstack* ss,
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- struct sigaltstack* oss);
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+uptr internal_sigaltstack(const void* ss, void* oss);
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uptr internal_sigprocmask(int how, __sanitizer_sigset_t *set,
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__sanitizer_sigset_t *oldset);
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void internal_sigfillset(__sanitizer_sigset_t *set);
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diff --git a/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
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index c919e4f..014162af 100644
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--- a/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
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+++ b/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
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@@ -267,7 +267,7 @@ static int TracerThread(void* argument) {
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// Alternate stack for signal handling.
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InternalScopedBuffer<char> handler_stack_memory(kHandlerStackSize);
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- struct sigaltstack handler_stack;
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+ stack_t handler_stack;
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internal_memset(&handler_stack, 0, sizeof(handler_stack));
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handler_stack.ss_sp = handler_stack_memory.data();
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handler_stack.ss_size = kHandlerStackSize;
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diff --git a/lib/tsan/tsan_platform_linux.cc b/lib/tsan/tsan_platform_linux.cc
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index 09cec5f..908f4fe 100644
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--- a/lib/tsan/rtl/tsan_platform_linux.cc
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+++ b/lib/tsan/rtl/tsan_platform_linux.cc
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@@ -291,7 +291,7 @@ bool IsGlobalVar(uptr addr) {
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int ExtractResolvFDs(void *state, int *fds, int nfd) {
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#if SANITIZER_LINUX
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int cnt = 0;
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- __res_state *statp = (__res_state*)state;
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+ struct __res_state *statp = (struct __res_state*)state;
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for (int i = 0; i < MAXNS && cnt < nfd; i++) {
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if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)
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fds[cnt++] = statp->_u._ext.nssocks[i];
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--
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2.9.3
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