123 lines
4.6 KiB
Diff
123 lines
4.6 KiB
Diff
This is a combination of several upstream patches which weren't accepted.
|
|
They were proposed by Fedora for spidermonkey 52 and were ultimately
|
|
accepted years later after some changes for a later version. It was
|
|
adapted slightly from both sets of patches to apply cleanly to mozjs-60.
|
|
|
|
https://bugzilla.mozilla.org/show_bug.cgi?id=1318905
|
|
https://bug1318905.bmoattachments.org/attachment.cgi?id=8812602
|
|
https://bug1318905.bmoattachments.org/attachment.cgi?id=8812603
|
|
https://bug1318905.bmoattachments.org/attachment.cgi?id=8812604
|
|
https://phabricator.services.mozilla.com/D78623
|
|
https://phabricator.services.mozilla.com/D78624
|
|
https://phabricator.services.mozilla.com/D78625
|
|
|
|
|
|
diff --git a/build/moz.configure/init.configure b/build/moz.configure/init.configure
|
|
index 83b8d705..59131525 100644
|
|
--- a/build/moz.configure/init.configure
|
|
+++ b/build/moz.configure/init.configure
|
|
@@ -676,6 +676,9 @@ def split_triplet(triplet, allow_unknown=False):
|
|
elif cpu == 'sh4':
|
|
canonical_cpu = 'sh4'
|
|
endianness = 'little'
|
|
+ elif cpu.startswith('riscv64'):
|
|
+ canonical_cpu = 'riscv64'
|
|
+ endianness = 'little'
|
|
elif allow_unknown:
|
|
canonical_cpu = cpu
|
|
endianness = 'unknown'
|
|
diff --git a/js/src/jit/AtomicOperations.h b/js/src/jit/AtomicOperations.h
|
|
index a8970b0d..6b947a3f 100644
|
|
--- a/js/src/jit/AtomicOperations.h
|
|
+++ b/js/src/jit/AtomicOperations.h
|
|
@@ -375,7 +375,7 @@ AtomicOperations::isLockfreeJS(int32_t size)
|
|
# endif
|
|
#elif defined(__ppc__) || defined(__PPC__)
|
|
# include "jit/none/AtomicOperations-feeling-lucky.h"
|
|
-#elif defined(__sparc__)
|
|
+#elif defined(__sparc__) || defined(__riscv)
|
|
# include "jit/none/AtomicOperations-feeling-lucky.h"
|
|
#elif defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || defined(__PPC64LE__)
|
|
# include "jit/none/AtomicOperations-feeling-lucky.h"
|
|
diff --git a/js/src/jit/none/AtomicOperations-feeling-lucky.h b/js/src/jit/none/AtomicOperations-feeling-lucky.h
|
|
index da572284..6ce40c89 100644
|
|
--- a/js/src/jit/none/AtomicOperations-feeling-lucky.h
|
|
+++ b/js/src/jit/none/AtomicOperations-feeling-lucky.h
|
|
@@ -49,6 +49,12 @@
|
|
# define GNUC_COMPATIBLE
|
|
#endif
|
|
|
|
+#if defined(__riscv) && __riscv_xlen == 64
|
|
+# define HAS_64BIT_ATOMICS
|
|
+# define HAS_64BIT_LOCKFREE
|
|
+# define GNUC_COMPATIBLE
|
|
+#endif
|
|
+
|
|
#ifdef __sparc__
|
|
# define GNUC_COMPATIBLE
|
|
# ifdef __LP64__
|
|
diff --git a/js/src/jit/none/MacroAssembler-none.h b/js/src/jit/none/MacroAssembler-none.h
|
|
index 80143dc8..b430fedb 100644
|
|
--- a/js/src/jit/none/MacroAssembler-none.h
|
|
+++ b/js/src/jit/none/MacroAssembler-none.h
|
|
@@ -402,6 +402,10 @@ class MacroAssemblerNone : public Assembler
|
|
#endif
|
|
};
|
|
|
|
+ struct AutoPrepareForPatching {
|
|
+ explicit AutoPrepareForPatching(MacroAssemblerNone&) {}
|
|
+ };
|
|
+
|
|
typedef MacroAssemblerNone MacroAssemblerSpecific;
|
|
|
|
class ABIArgGenerator
|
|
diff --git a/mfbt/tests/TestPoisonArea.cpp b/mfbt/tests/TestPoisonArea.cpp
|
|
index 06c24ed0..c3fed0df 100644
|
|
--- a/mfbt/tests/TestPoisonArea.cpp
|
|
+++ b/mfbt/tests/TestPoisonArea.cpp
|
|
@@ -160,6 +160,9 @@
|
|
#elif defined __aarch64__
|
|
#define RETURN_INSTR 0xd65f03c0 /* ret */
|
|
|
|
+#elif defined __riscv
|
|
+#define RETURN_INSTR 0x80828082 /* ret; ret */
|
|
+
|
|
#elif defined __ia64
|
|
struct ia64_instr { uint32_t mI[4]; };
|
|
static const ia64_instr _return_instr =
|
|
diff --git a/python/mozbuild/mozbuild/configure/constants.py b/python/mozbuild/mozbuild/configure/constants.py
|
|
index 33ae5a45..11a01d3b 100644
|
|
--- a/python/mozbuild/mozbuild/configure/constants.py
|
|
+++ b/python/mozbuild/mozbuild/configure/constants.py
|
|
@@ -50,6 +50,7 @@ CPU_bitness = {
|
|
'mips64': 64,
|
|
'ppc': 32,
|
|
'ppc64': 64,
|
|
+ 'riscv64': 64,
|
|
's390': 32,
|
|
's390x': 64,
|
|
'sh4': 32,
|
|
@@ -82,6 +84,7 @@ CPU_preprocessor_checks = OrderedDict((
|
|
('s390', '__s390__'),
|
|
('ppc64', '__powerpc64__'),
|
|
('ppc', '__powerpc__'),
|
|
+ ('riscv64', '__riscv && __riscv_xlen == 64'),
|
|
('Alpha', '__alpha__'),
|
|
('hppa', '__hppa__'),
|
|
('sparc64', '__sparc__ && __arch64__'),
|
|
diff --git a/python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py b/python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py
|
|
index cb7ff709..9da41adf 100755
|
|
--- a/python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py
|
|
+++ b/python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py
|
|
@@ -1165,6 +1165,10 @@ class LinuxCrossCompileToolchainTest(BaseToolchainTest):
|
|
'sh4-unknown-linux-gnu': little_endian + {
|
|
'__sh__': 1,
|
|
},
|
|
+ 'riscv64-unknown-linux-gnu': little_endian + {
|
|
+ '__riscv': 1,
|
|
+ '__riscv_xlen': 64,
|
|
+ },
|
|
}
|
|
|
|
PLATFORMS['powerpc64le-unknown-linux-gnu'] = \
|