diff options
| author | Roland McGrath <roland@hack.frob.com> | 2013-03-15 09:31:56 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2013-03-15 09:31:56 -0700 |
| commit | a7ac752299cb61f3140ab76c6f0a4ed46f52df55 (patch) | |
| tree | 52798d8cb03569a69f00b7950dfdbf226415ca09 /ports/sysdeps/arm/__longjmp.S | |
| parent | ef26eece6331a1f6d959818e37c438cc7ce68e53 (diff) | |
| download | glibc-a7ac752299cb61f3140ab76c6f0a4ed46f52df55.tar.gz glibc-a7ac752299cb61f3140ab76c6f0a4ed46f52df55.tar.xz glibc-a7ac752299cb61f3140ab76c6f0a4ed46f52df55.zip | |
ARM: sfi_breg assembler macro
Diffstat (limited to 'ports/sysdeps/arm/__longjmp.S')
| -rw-r--r-- | ports/sysdeps/arm/__longjmp.S | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/ports/sysdeps/arm/__longjmp.S b/ports/sysdeps/arm/__longjmp.S index becba930a0..2936a441d0 100644 --- a/ports/sysdeps/arm/__longjmp.S +++ b/ports/sysdeps/arm/__longjmp.S @@ -31,11 +31,13 @@ ENTRY (__longjmp) moveq r0, #1 /* can't let setjmp() return zero! */ #ifdef CHECK_SP - ldr r4, [ip, #32] /* jmpbuf's sp */ + sfi_breg ip, \ + ldr r4, [\B, #32] /* jmpbuf's sp */ cfi_undefined (r4) CHECK_SP (r4) #endif - ldmia ip!, JMP_BUF_REGLIST + sfi_breg ip, \ + ldmia \B!, JMP_BUF_REGLIST cfi_restore (v1) cfi_restore (v2) cfi_restore (v3) @@ -79,9 +81,11 @@ ENTRY (__longjmp) /* Restore the VFP registers. */ /* Following instruction is vldmia ip!, {d8-d15}. */ - ldc p11, cr8, [r12], #64 + sfi_breg r12, \ + ldc p11, cr8, [\B], #64 /* Restore the floating-point status register. */ - ldr a3, [ip], #4 + sfi_breg ip, \ + ldr a3, [\B], #4 /* Following instruction is fmxr fpscr, a3. */ mcr p10, 7, a3, cr1, cr0, 0 .Lno_vfp: @@ -92,12 +96,18 @@ ENTRY (__longjmp) /* Restore the call-preserved iWMMXt registers. */ /* Following instructions are wldrd wr10, [ip], #8 (etc.) */ - 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 + 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 .Lno_iwmmxt: #endif |