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-rw-r--r--newlib/libc/machine/i386/i386mach.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/newlib/libc/machine/i386/i386mach.h b/newlib/libc/machine/i386/i386mach.h
new file mode 100644
index 00000000000..bd6cf22f083
--- /dev/null
+++ b/newlib/libc/machine/i386/i386mach.h
@@ -0,0 +1,69 @@
+/* This file was based on the modified setjmp.S performed by
+ * Joel Sherill (joel@OARcorp.com) which specified the use
+ * of the __USER_LABEL_PREFIX__ and __REGISTER_PREFIX__ macros.
+ **
+ ** This file is distributed WITHOUT ANY WARRANTY; without even the implied
+ ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/* These are predefined by new versions of GNU cpp. */
+
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__ _
+#endif
+
+#define __REG_PREFIX__ %
+
+/* ANSI concatenation macros. */
+
+#define CONCAT1(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a##b
+
+/* Use the right prefix for global labels. */
+
+#define SYM(x) CONCAT1(__USER_LABEL_PREFIX__, x)
+
+/* Use the right prefix for registers. */
+
+#define REG(x) CONCAT1(__REG_PREFIX__, x)
+
+#define eax REG(eax)
+#define ebx REG(ebx)
+#define ecx REG(ecx)
+#define edx REG(edx)
+#define esi REG(esi)
+#define edi REG(edi)
+#define ebp REG(ebp)
+#define esp REG(esp)
+
+#define st0 REG(st)
+#define st1 REG(st(1))
+#define st2 REG(st(2))
+#define st3 REG(st(3))
+#define st4 REG(st(4))
+#define st5 REG(st(5))
+#define st6 REG(st(6))
+#define st7 REG(st(7))
+
+#define ax REG(ax)
+#define bx REG(bx)
+#define cx REG(cx)
+#define dx REG(dx)
+
+#define ah REG(ah)
+#define bh REG(bh)
+#define ch REG(ch)
+#define dh REG(dh)
+
+#define al REG(al)
+#define bl REG(bl)
+#define cl REG(cl)
+#define dl REG(dl)
+
+#define mm1 REG(mm1)
+#define mm2 REG(mm2)
+#define mm3 REG(mm3)
+#define mm4 REG(mm4)
+#define mm5 REG(mm5)
+#define mm6 REG(mm6)
+#define mm7 REG(mm7)