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authorJMadgwick <james.madgwick@outlook.com>2020-03-05 21:03:44 +0000
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 13:18:48 +0200
commit64a7c9e2d2f8c9ebdc4c70c16c630cebbd5abe53 (patch)
treebb1ec37d987918be07f551b956ba3887c1c7d523 /js/src
parent514ff21cbab5c638d9c347ed261a14e8bd5295e6 (diff)
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Issue #1471 - Fix building on sparc64 Linux
Correct various pre-processor defines for sparc64 and in mozjemalloc use the JS arm64 allocator on Linux/sparc64. This corrects build problems opn Linux sparc64 and is in line with bugzilla bug #1275204.
Diffstat (limited to 'js/src')
-rw-r--r--js/src/gc/Memory.cpp6
-rw-r--r--js/src/jsapi-tests/testGCAllocator.cpp7
2 files changed, 7 insertions, 6 deletions
diff --git a/js/src/gc/Memory.cpp b/js/src/gc/Memory.cpp
index 418984057..17c964da0 100644
--- a/js/src/gc/Memory.cpp
+++ b/js/src/gc/Memory.cpp
@@ -423,7 +423,7 @@ MapMemoryAt(void* desired, size_t length, int prot = PROT_READ | PROT_WRITE,
// possibly be correct on AMD64, but for Solaris/illumos it is.
{
-#if defined(__ia64__) || (defined(__sparc64__) && defined(__NetBSD__)) || defined(__aarch64__) || (defined(__sun) && defined(__x86_64__))
+#if defined(__ia64__) || defined(__aarch64__) || (defined(__sun) && defined(__x86_64__)) || (defined(__sparc__) && defined(__arch64__) && (defined(__NetBSD__) || defined(__linux__)))
MOZ_ASSERT((0xffff800000000000ULL & (uintptr_t(desired) + length - 1)) == 0);
#endif
void* region = mmap(desired, length, prot, flags, fd, offset);
@@ -446,7 +446,7 @@ static inline void*
MapMemory(size_t length, int prot = PROT_READ | PROT_WRITE,
int flags = MAP_PRIVATE | MAP_ANON, int fd = -1, off_t offset = 0)
{
-#if defined(__ia64__) || (defined(__sparc64__) && defined(__NetBSD__))
+#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__NetBSD__))
/*
* The JS engine assumes that all allocated pointers have their high 17 bits clear,
* which ia64's mmap doesn't support directly. However, we can emulate it by passing
@@ -473,7 +473,7 @@ MapMemory(size_t length, int prot = PROT_READ | PROT_WRITE,
return nullptr;
}
return region;
-#elif defined(__aarch64__) || (defined(__sun) && defined(__x86_64__))
+#elif defined(__aarch64__) || (defined(__sun) && defined(__x86_64__)) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__))
/*
* There might be similar virtual address issue on arm64 which depends on
* hardware and kernel configurations. But the work around is slightly
diff --git a/js/src/jsapi-tests/testGCAllocator.cpp b/js/src/jsapi-tests/testGCAllocator.cpp
index d203019ec..c7f430cb0 100644
--- a/js/src/jsapi-tests/testGCAllocator.cpp
+++ b/js/src/jsapi-tests/testGCAllocator.cpp
@@ -302,7 +302,8 @@ void unmapPages(void* p, size_t size) { }
void*
mapMemoryAt(void* desired, size_t length)
{
-#if defined(__ia64__) || (defined(__sparc64__) && defined(__NetBSD__)) || defined(__aarch64__)
+#if defined(__ia64__) || defined(__aarch64__) || \
+ (defined(__sparc__) && defined(__arch64__) && (defined(__NetBSD__) || defined(__linux__)))
MOZ_RELEASE_ASSERT(0xffff800000000000ULL & (uintptr_t(desired) + length - 1) == 0);
#endif
void* region = mmap(desired, length, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
@@ -324,7 +325,7 @@ mapMemory(size_t length)
int fd = -1;
off_t offset = 0;
// The test code must be aligned with the implementation in gc/Memory.cpp.
-#if defined(__ia64__) || (defined(__sparc64__) && defined(__NetBSD__))
+#if defined(__ia64__) || (defined(__sparc__) && defined(__arch64__) && defined(__NetBSD__))
void* region = mmap((void*)0x0000070000000000, length, prot, flags, fd, offset);
if (region == MAP_FAILED)
return nullptr;
@@ -334,7 +335,7 @@ mapMemory(size_t length)
return nullptr;
}
return region;
-#elif defined(__aarch64__)
+#elif defined(__aarch64__) || (defined(__sparc__) && defined(__arch64__) && defined(__linux__))
const uintptr_t start = UINT64_C(0x0000070000000000);
const uintptr_t end = UINT64_C(0x0000800000000000);
const uintptr_t step = js::gc::ChunkSize;