diff options
Diffstat (limited to 'sysdeps/arm/__longjmp.S')
| -rw-r--r-- | sysdeps/arm/__longjmp.S | 42 |
1 files changed, 14 insertions, 28 deletions
diff --git a/sysdeps/arm/__longjmp.S b/sysdeps/arm/__longjmp.S index 0f50268693..b2cbbb9e3a 100644 --- a/sysdeps/arm/__longjmp.S +++ b/sysdeps/arm/__longjmp.S @@ -1,5 +1,5 @@ /* longjmp for ARM. - Copyright (C) 1997-2016 Free Software Foundation, Inc. + Copyright (C) 1997-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -28,8 +28,7 @@ ENTRY (__longjmp) mov ip, r0 #ifdef CHECK_SP - sfi_breg ip, \ - ldr r4, [\B] /* jmpbuf's sp */ + ldr r4, [ip] /* jmpbuf's sp */ cfi_undefined (r4) #ifdef PTR_DEMANGLE PTR_DEMANGLE (r4, r4, a3, a4) @@ -38,28 +37,22 @@ ENTRY (__longjmp) #endif #ifdef PTR_DEMANGLE - sfi_breg ip, \ - ldr a4, [\B], #4 + ldr a4, [ip], #4 PTR_DEMANGLE (a4, a4, a3, r4) cfi_undefined (r4) - sfi_breg ip, \ - ldr r4, [\B], #4 + ldr r4, [ip], #4 PTR_DEMANGLE2 (r4, r4, a3) #else - sfi_breg ip, \ - ldr a4, [\B], #4 - sfi_breg ip, \ - ldr r4, [\B], #4 + ldr a4, [ip], #4 + ldr r4, [ip], #4 cfi_undefined (r4) #endif /* longjmp probe expects longjmp first argument (4@r0), second argument (-4@r1), and target address (4@r4), respectively. */ LIBC_PROBE (longjmp, 3, 4@r0, -4@r1, 4@r4) - sfi_sp \ mov sp, a4 mov lr, r4 - sfi_breg ip, \ - ldmia \B!, JMP_BUF_REGLIST + ldmia ip!, JMP_BUF_REGLIST cfi_restore (v1) cfi_restore (v2) cfi_restore (v3) @@ -97,8 +90,7 @@ ENTRY (__longjmp) /* Restore the VFP registers. */ /* Following instruction is vldmia ip!, {d8-d15}. */ - sfi_breg r12, \ - ldc p11, cr8, [\B], #64 + ldc p11, cr8, [r12], #64 .Lno_vfp: #ifndef ARM_ASSUME_NO_IWMMXT @@ -107,18 +99,12 @@ ENTRY (__longjmp) /* Restore the call-preserved iWMMXt registers. */ /* Following instructions are wldrd wr10, [ip], #8 (etc.) */ - sfi_breg r12, \ - ldcl p1, cr10, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr11, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr12, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr13, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr14, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr15, [\B], #8 + ldcl p1, cr10, [r12], #8 + ldcl p1, cr11, [r12], #8 + ldcl p1, cr12, [r12], #8 + ldcl p1, cr13, [r12], #8 + ldcl p1, cr14, [r12], #8 + ldcl p1, cr15, [r12], #8 .Lno_iwmmxt: #endif |