diff options
Diffstat (limited to 'newlib/libc/machine/i386/i386mach.h')
-rw-r--r-- | newlib/libc/machine/i386/i386mach.h | 69 |
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) |