diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/swapcontext.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/swapcontext.S | 81 |
1 files changed, 44 insertions, 37 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/swapcontext.S b/sysdeps/unix/sysv/linux/mips/swapcontext.S index 24198721fe..2051ed3e76 100644 --- a/sysdeps/unix/sysv/linux/mips/swapcontext.S +++ b/sysdeps/unix/sysv/linux/mips/swapcontext.S @@ -1,5 +1,5 @@ /* Save and set current context. - Copyright (C) 2009-2016 Free Software Foundation, Inc. + Copyright (C) 2009-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Maciej W. Rozycki <macro@codesourcery.com>. @@ -47,6 +47,12 @@ A1OFF = FRAMESZ - (1 * SZREG) /* callee-allocated */ #else A1OFF = FRAMESZ + (1 * SZREG) /* caller-allocated */ #endif +MCONTEXT_GREGSZ = 8 +#if _MIPS_SIM == _ABIO32 && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +MCONTEXT_GREGOFF = 4 +#else +MCONTEXT_GREGOFF = 0 +#endif NESTED (__swapcontext, FRAMESZ, ra) .mask MASK, -(ARGSZ * SZREG) @@ -83,23 +89,24 @@ NESTED (__swapcontext, FRAMESZ, ra) /* Store a magic flag. */ li v1, 1 - REG_S v1, (0 * SZREG + MCONTEXT_GREGS)(a0) /* zero */ - - REG_S s0, (16 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s1, (17 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s2, (18 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s3, (19 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s4, (20 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s5, (21 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s6, (22 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s7, (23 * SZREG + MCONTEXT_GREGS)(a0) + /* zero */ + REG_S v1, (MCONTEXT_GREGOFF + 0 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + + REG_S s0, (MCONTEXT_GREGOFF + 16 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S s1, (MCONTEXT_GREGOFF + 17 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S s2, (MCONTEXT_GREGOFF + 18 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S s3, (MCONTEXT_GREGOFF + 19 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S s4, (MCONTEXT_GREGOFF + 20 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S s5, (MCONTEXT_GREGOFF + 21 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S s6, (MCONTEXT_GREGOFF + 22 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S s7, (MCONTEXT_GREGOFF + 23 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) #if ! defined (__PIC__) || _MIPS_SIM != _ABIO32 - REG_S _GP, (28 * SZREG + MCONTEXT_GREGS)(a0) + REG_S _GP, (MCONTEXT_GREGOFF + 28 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) #endif - REG_S _SP, (29 * SZREG + MCONTEXT_GREGS)(a0) - REG_S fp, (30 * SZREG + MCONTEXT_GREGS)(a0) - REG_S ra, (31 * SZREG + MCONTEXT_GREGS)(a0) - REG_S ra, MCONTEXT_PC(a0) + REG_S _SP, (MCONTEXT_GREGOFF + 29 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S fp, (MCONTEXT_GREGOFF + 30 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S ra, (MCONTEXT_GREGOFF + 31 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(a0) + REG_S ra, (MCONTEXT_GREGOFF + MCONTEXT_PC)(a0) #ifdef __mips_hard_float # if _MIPS_SIM == _ABI64 @@ -167,32 +174,32 @@ NESTED (__swapcontext, FRAMESZ, ra) /* Note the contents of argument registers will be random unless makecontext() has been called. */ - REG_L a0, (4 * SZREG + MCONTEXT_GREGS)(v0) - REG_L a1, (5 * SZREG + MCONTEXT_GREGS)(v0) - REG_L a2, (6 * SZREG + MCONTEXT_GREGS)(v0) - REG_L a3, (7 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a0, (MCONTEXT_GREGOFF + 4 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L a1, (MCONTEXT_GREGOFF + 5 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L a2, (MCONTEXT_GREGOFF + 6 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L a3, (MCONTEXT_GREGOFF + 7 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) #if _MIPS_SIM != _ABIO32 - REG_L a4, (8 * SZREG + MCONTEXT_GREGS)(v0) - REG_L a5, (9 * SZREG + MCONTEXT_GREGS)(v0) - REG_L a6, (10 * SZREG + MCONTEXT_GREGS)(v0) - REG_L a7, (11 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a4, (MCONTEXT_GREGOFF + 8 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L a5, (MCONTEXT_GREGOFF + 9 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L a6, (MCONTEXT_GREGOFF + 10 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L a7, (MCONTEXT_GREGOFF + 11 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) #endif - REG_L s0, (16 * SZREG + MCONTEXT_GREGS)(v0) - REG_L s1, (17 * SZREG + MCONTEXT_GREGS)(v0) - REG_L s2, (18 * SZREG + MCONTEXT_GREGS)(v0) - REG_L s3, (19 * SZREG + MCONTEXT_GREGS)(v0) - REG_L s4, (20 * SZREG + MCONTEXT_GREGS)(v0) - REG_L s5, (21 * SZREG + MCONTEXT_GREGS)(v0) - REG_L s6, (22 * SZREG + MCONTEXT_GREGS)(v0) - REG_L s7, (23 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s0, (MCONTEXT_GREGOFF + 16 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L s1, (MCONTEXT_GREGOFF + 17 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L s2, (MCONTEXT_GREGOFF + 18 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L s3, (MCONTEXT_GREGOFF + 19 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L s4, (MCONTEXT_GREGOFF + 20 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L s5, (MCONTEXT_GREGOFF + 21 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L s6, (MCONTEXT_GREGOFF + 22 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L s7, (MCONTEXT_GREGOFF + 23 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) #if ! defined (__PIC__) || _MIPS_SIM != _ABIO32 - REG_L gp, (28 * SZREG + MCONTEXT_GREGS)(v0) + REG_L gp, (MCONTEXT_GREGOFF + 28 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) #endif - REG_L sp, (29 * SZREG + MCONTEXT_GREGS)(v0) - REG_L fp, (30 * SZREG + MCONTEXT_GREGS)(v0) - REG_L ra, (31 * SZREG + MCONTEXT_GREGS)(v0) - REG_L t9, MCONTEXT_PC(v0) + REG_L sp, (MCONTEXT_GREGOFF + 29 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L fp, (MCONTEXT_GREGOFF + 30 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L ra, (MCONTEXT_GREGOFF + 31 * MCONTEXT_GREGSZ + MCONTEXT_GREGS)(v0) + REG_L t9, (MCONTEXT_GREGOFF + MCONTEXT_PC)(v0) move v0, zero jr t9 |