1 files changed, 64 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/platform/heap/asm/SaveRegisters_mips.S b/chromium/third_party/WebKit/Source/platform/heap/asm/SaveRegisters_mips.S
new file mode 100644
index 00000000000..ae37d7dc68d
--- /dev/null
+++ b/chromium/third_party/WebKit/Source/platform/heap/asm/SaveRegisters_mips.S
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/*
+ * typedef void (*PushAllRegistersCallback)(SafePointBarrier*, ThreadState*, intptr_t*);
+ * extern "C" void pushAllRegisters(SafePointBarrier*, ThreadState*, PushAllRegistersCallback)
+ */
+
+.type pushAllRegisters, %function
+.global pushAllRegisters
+.hidden pushAllRegisters
+pushAllRegisters:
+        // Reserve space for callee-saved registers, return address,
+        // as well as for the callee arguments.
+        addiu $sp,$sp,-56
+        // Save the callee-saved registers and the return address.
+        sw $s0,16($sp)
+        sw $s1,20($sp)
+        sw $s2,24($sp)
+        sw $s3,28($sp)
+        sw $s4,32($sp)
+        sw $s5,36($sp)
+        sw $s6,40($sp)
+        sw $s7,44($sp)
+        sw $ra,48($sp)
+        // Pass the two first arguments untouched in a0 and a1 and the
+        // stack pointer to the callback.
+        move $t9,$a2
+        move $a2,$sp
+        jal $t9
+        // Restore return address, adjust stack and return. No
+        // callee-saved register was changed so we do not have to
+        // restore callee-saved registers.
+        lw $ra,48($sp)
+        addiu $sp,$sp,56
+        jr $ra