Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/js/src/vm/BytecodeFormatFlags.h b/js/src/vm/BytecodeFormatFlags.h
new file mode 100644
index 0000000000..c39abe2012
--- /dev/null
+++ b/js/src/vm/BytecodeFormatFlags.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef vm_BytecodeFormatFlags_h
+#define vm_BytecodeFormatFlags_h
+
+/*
+ * [SMDOC] Bytecode Format flags (JOF_*)
+ */
+enum {
+  JOF_BYTE = 0,         /* single bytecode, no immediates */
+  JOF_UINT8 = 1,        /* unspecified uint8_t argument */
+  JOF_UINT16 = 2,       /* unspecified uint16_t argument */
+  JOF_UINT24 = 3,       /* unspecified uint24_t argument */
+  JOF_UINT32 = 4,       /* unspecified uint32_t argument */
+  JOF_INT8 = 5,         /* int8_t literal */
+  JOF_INT32 = 6,        /* int32_t literal */
+  JOF_JUMP = 7,         /* int32_t jump offset */
+  JOF_TABLESWITCH = 8,  /* table switch */
+  JOF_ENVCOORD = 9,     /* embedded ScopeCoordinate immediate */
+  JOF_ARGC = 10,        /* uint16_t argument count */
+  JOF_QARG = 11,        /* function argument index */
+  JOF_LOCAL = 12,       /* var or block-local variable */
+  JOF_RESUMEINDEX = 13, /* yield, await, or gosub resume index */
+  JOF_DOUBLE = 14,      /* inline DoubleValue */
+  JOF_GCTHING = 15,     /* uint32_t generic gc-thing index */
+  JOF_ATOM = 16,        /* uint32_t constant index */
+  JOF_OBJECT = 17,      /* uint32_t object index */
+  JOF_REGEXP = 18,      /* uint32_t regexp index */
+  JOF_SCOPE = 19,       /* uint32_t scope index */
+  JOF_BIGINT = 20,      /* uint32_t index for BigInt value */
+  JOF_ICINDEX = 21,     /* uint32_t IC index */
+  JOF_LOOPHEAD = 22,    /* JSOp::LoopHead, combines JOF_ICINDEX and JOF_UINT8 */
+  JOF_CLASS_CTOR = 23,  /* uint32_t atom index, sourceStart, sourceEnd */
+  JOF_TWO_UINT8 = 24,   /* A pair of unspecified uint8_t arguments */
+  JOF_TYPEMASK = 0xFF,  /* mask for above immediate types */
+
+  JOF_NAME = 1 << 8,        /* name operation */
+  JOF_PROP = 2 << 8,        /* obj.prop operation */
+  JOF_ELEM = 3 << 8,        /* obj[index] operation */
+  JOF_MODEMASK = 0xFF << 8, /* mask for above addressing modes */
+
+  JOF_PROPSET = 1 << 16,     /* property/element/name set operation */
+  JOF_PROPINIT = 1 << 17,    /* property/element/name init operation */
+  JOF_CHECKSLOPPY = 1 << 18, /* op can only be generated in sloppy mode */
+  JOF_CHECKSTRICT = 1 << 19, /* op can only be generated in strict mode */
+  JOF_INVOKE = 1 << 20,      /* any call, construct, or eval instruction */
+  JOF_CONSTRUCT = 1 << 21,   /* invoke instruction using [[Construct]] entry */
+  JOF_SPREAD = 1 << 22,      /* invoke instruction using spread argument */
+  JOF_GNAME = 1 << 23,       /* predicted global name */
+  JOF_IC = 1 << 24,          /* baseline may use an IC for this op */
+};
+
+#endif /* vm_BytecodeFormatFlags_h */