diff options
Diffstat (limited to 'sysdeps/arm/memmove.S')
| -rw-r--r-- | sysdeps/arm/memmove.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/arm/memmove.S b/sysdeps/arm/memmove.S index 9c9b2344d2..026d8e2bd1 100644 --- a/sysdeps/arm/memmove.S +++ b/sysdeps/arm/memmove.S @@ -73,6 +73,12 @@ ENTRY(memmove) #endif stmfd sp!, {r0, r4, lr} + cfi_adjust_cfa_offset (12) + cfi_rel_offset (r4, 4) + cfi_rel_offset (lr, 8) + + cfi_remember_state + add r1, r1, r2 add r0, r0, r2 subs r2, r2, #4 @@ -85,6 +91,11 @@ ENTRY(memmove) 1: subs r2, r2, #(28) stmfd sp!, {r5 - r8} + cfi_adjust_cfa_offset (16) + cfi_rel_offset (r5, 0) + cfi_rel_offset (r6, 4) + cfi_rel_offset (r7, 8) + cfi_rel_offset (r8, 12) blt 5f CALGN( ands ip, r1, #31 ) @@ -136,6 +147,11 @@ ENTRY(memmove) CALGN( bcs 2b ) 7: ldmfd sp!, {r5 - r8} + cfi_adjust_cfa_offset (-16) + cfi_restore (r5) + cfi_restore (r6) + cfi_restore (r7) + cfi_restore (r8) 8: movs r2, r2, lsl #31 ldrneb r3, [r1, #-1]! @@ -144,13 +160,19 @@ ENTRY(memmove) strneb r3, [r0, #-1]! strcsb r4, [r0, #-1]! strcsb ip, [r0, #-1] + #if defined (__ARM_ARCH_4T__) && defined (__THUMB_INTERWORK__) ldmfd sp!, {r0, r4, lr} + cfi_adjust_cfa_offset (-12) + cfi_restore (r4) + cfi_restore (lr) bx lr #else ldmfd sp!, {r0, r4, pc} #endif + cfi_restore_state + 9: cmp ip, #2 ldrgtb r3, [r1, #-1]! ldrgeb r4, [r1, #-1]! @@ -182,6 +204,12 @@ ENTRY(memmove) CALGN( bcc 15f ) 11: stmfd sp!, {r5 - r9} + cfi_adjust_cfa_offset (20) + cfi_rel_offset (r5, 0) + cfi_rel_offset (r6, 4) + cfi_rel_offset (r7, 8) + cfi_rel_offset (r8, 12) + cfi_rel_offset (r9, 16) PLD( pld [r1, #-4] ) PLD( subs r2, r2, #96 ) @@ -216,6 +244,12 @@ ENTRY(memmove) PLD( bge 13b ) ldmfd sp!, {r5 - r9} + cfi_adjust_cfa_offset (-20) + cfi_restore (r5) + cfi_restore (r6) + cfi_restore (r7) + cfi_restore (r8) + cfi_restore (r9) 14: ands ip, r2, #28 beq 16f |