1 files changed, 87 insertions, 0 deletions
diff --git a/src/pal/inc/unixasmmacrosx86.inc b/src/pal/inc/unixasmmacrosx86.inc
new file mode 100644
index 0000000000..77b3a63484
--- /dev/null
+++ b/src/pal/inc/unixasmmacrosx86.inc
@@ -0,0 +1,87 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+.macro NESTED_ENTRY Name, Section, Handler
+        LEAF_ENTRY \Name, \Section
+        .ifnc \Handler, NoHandler
+        .cfi_personality 0x1b, C_FUNC(\Handler) // 0x1b == DW_EH_PE_pcrel | DW_EH_PE_sdata4
+        .endif
+.endm
+
+.macro NESTED_END Name, Section
+        LEAF_END \Name, \Section
+.endm
+
+.macro LEAF_ENTRY Name, Section
+        .global C_FUNC(\Name)
+        .type \Name, %function
+C_FUNC(\Name):
+        .cfi_startproc
+.endm
+
+.macro PATCH_LABEL Name
+        .global C_FUNC(\Name)
+C_FUNC(\Name):
+.endm
+
+.macro LEAF_END Name, Section
+        .size \Name, .-\Name
+        .cfi_endproc
+.endm
+
+.macro LEAF_END_MARKED Name, Section
+C_FUNC(\Name\()_End):
+        .global C_FUNC(\Name\()_End)
+        LEAF_END \Name, \Section
+.endm
+
+.macro PROLOG_BEG
+        push ebp
+        .cfi_def_cfa_offset 8
+        .cfi_offset ebp, -8
+        mov ebp, esp
+.endm
+
+.macro PROLOG_PUSH Reg
+        push \Reg
+        .cfi_adjust_cfa_offset 4
+        .cfi_rel_offset \Reg, 0
+.endm
+
+.macro PROLOG_END
+        .cfi_def_cfa_register ebp
+        .cfi_def_cfa_offset 8
+.endm
+
+.macro EPILOG_BEG
+.endm
+
+.macro EPILOG_POP Reg
+        pop \Reg
+        .cfi_restore \Reg
+.endm
+
+.macro EPILOG_END
+        pop ebp
+.endm
+
+.macro PREPARE_EXTERNAL_VAR Name, Reg
+.att_syntax
+    call  0f
+0:
+    popl  %\Reg
+1:
+    addl  $_GLOBAL_OFFSET_TABLE_ + (1b - 0b), %\Reg
+    movl  C_FUNC(\Name)@GOT(%\Reg), %\Reg
+.intel_syntax noprefix
+.endm
+
+.macro CHECK_STACK_ALIGNMENT
+#ifdef _DEBUG
+    test    esp, 0Fh
+    je      0f
+    int3
+0:
+#endif // _DEBUG
+.endm