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authorChristopher Ferris <cferris@google.com>2014-09-29 15:34:20 -0700
committerChristopher Ferris <cferris@google.com>2014-10-28 18:19:33 -0700
commit1c8ea807ebb54c1533040b60c0a6394abc77e339 (patch)
treebd60ba970ec42f02cae1932aa20a65e38fea7c57 /libc
parent0cc59dd303205de7110e298e9b90b1c3b98f4711 (diff)
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Cleanup arm assembly.
Remove the old arm directives. Change the non-local labels to .L labels. Add cfi directives to strcpy.S. Bug: 18157900 (cherry picked from commit c8bd2abab24afe563240297018c4fa79944f193b) Change-Id: Ifa1c3d16553d142eaa0d744af040f0352538106c
Diffstat (limited to 'libc')
-rw-r--r--libc/arch-arm/cortex-a15/bionic/__strcat_chk.S5
-rw-r--r--libc/arch-arm/cortex-a15/bionic/__strcpy_chk.S2
-rw-r--r--libc/arch-arm/cortex-a15/bionic/memcpy.S2
-rw-r--r--libc/arch-arm/cortex-a15/bionic/memcpy_base.S5
-rw-r--r--libc/arch-arm/cortex-a15/bionic/memset.S2
-rw-r--r--libc/arch-arm/cortex-a15/bionic/strcmp.S1
-rw-r--r--libc/arch-arm/cortex-a15/bionic/strcpy.S215
-rw-r--r--libc/arch-arm/cortex-a9/bionic/__strcat_chk.S4
-rw-r--r--libc/arch-arm/cortex-a9/bionic/__strcpy_chk.S2
-rw-r--r--libc/arch-arm/cortex-a9/bionic/memcpy.S2
-rw-r--r--libc/arch-arm/cortex-a9/bionic/memcpy_base.S3
-rw-r--r--libc/arch-arm/cortex-a9/bionic/memset.S3
-rw-r--r--libc/arch-arm/cortex-a9/bionic/strcmp.S1
-rw-r--r--libc/arch-arm/cortex-a9/bionic/strcpy.S195
-rw-r--r--libc/arch-arm/denver/bionic/__strcat_chk.S5
-rw-r--r--libc/arch-arm/denver/bionic/__strcpy_chk.S2
-rw-r--r--libc/arch-arm/denver/bionic/memcpy.S2
-rw-r--r--libc/arch-arm/krait/bionic/__strcat_chk.S4
-rw-r--r--libc/arch-arm/krait/bionic/__strcpy_chk.S2
-rw-r--r--libc/arch-arm/krait/bionic/memcpy.S2
-rw-r--r--libc/arch-arm/krait/bionic/memcpy_base.S1
-rw-r--r--libc/arch-arm/krait/bionic/memset.S2
-rw-r--r--libc/arch-arm/krait/bionic/strcmp.S1
23 files changed, 210 insertions, 253 deletions
diff --git a/libc/arch-arm/cortex-a15/bionic/__strcat_chk.S b/libc/arch-arm/cortex-a15/bionic/__strcat_chk.S
index 36da2d9..a2e9c22 100644
--- a/libc/arch-arm/cortex-a15/bionic/__strcat_chk.S
+++ b/libc/arch-arm/cortex-a15/bionic/__strcat_chk.S
@@ -40,12 +40,10 @@
ENTRY(__strcat_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
push {r4, r5}
- .save {r4, r5}
.cfi_adjust_cfa_offset 8
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
@@ -195,9 +193,6 @@ END(__strcat_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcat_chk_failed)
- .save {r0, lr}
- .save {r4, r5}
-
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/cortex-a15/bionic/__strcpy_chk.S b/libc/arch-arm/cortex-a15/bionic/__strcpy_chk.S
index c3e3e14..db76686 100644
--- a/libc/arch-arm/cortex-a15/bionic/__strcpy_chk.S
+++ b/libc/arch-arm/cortex-a15/bionic/__strcpy_chk.S
@@ -39,7 +39,6 @@
ENTRY(__strcpy_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -161,7 +160,6 @@ END(__strcpy_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcpy_chk_failed)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/cortex-a15/bionic/memcpy.S b/libc/arch-arm/cortex-a15/bionic/memcpy.S
index da4f3dd..410b663 100644
--- a/libc/arch-arm/cortex-a15/bionic/memcpy.S
+++ b/libc/arch-arm/cortex-a15/bionic/memcpy.S
@@ -72,7 +72,6 @@ END(__memcpy_chk)
ENTRY(memcpy)
pld [r1, #64]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -85,7 +84,6 @@ END(memcpy)
ENTRY_PRIVATE(__memcpy_chk_fail)
// Preserve lr for backtrace.
push {lr}
- .save {lr}
.cfi_def_cfa_offset 4
.cfi_rel_offset lr, 0
diff --git a/libc/arch-arm/cortex-a15/bionic/memcpy_base.S b/libc/arch-arm/cortex-a15/bionic/memcpy_base.S
index 6ba4931..2a73852 100644
--- a/libc/arch-arm/cortex-a15/bionic/memcpy_base.S
+++ b/libc/arch-arm/cortex-a15/bionic/memcpy_base.S
@@ -54,7 +54,6 @@
*/
ENTRY_PRIVATE(MEMCPY_BASE)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -172,7 +171,6 @@ ENTRY_PRIVATE(MEMCPY_BASE)
END(MEMCPY_BASE)
ENTRY_PRIVATE(MEMCPY_BASE_ALIGNED)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -181,17 +179,14 @@ ENTRY_PRIVATE(MEMCPY_BASE_ALIGNED)
// i.e., not keeping the stack looking like users expect
// (highest numbered register at highest address).
strd r4, r5, [sp, #-8]!
- .save {r4, r5}
.cfi_adjust_cfa_offset 8
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
strd r6, r7, [sp, #-8]!
- .save {r6, r7}
.cfi_adjust_cfa_offset 8
.cfi_rel_offset r6, 0
.cfi_rel_offset r7, 0
strd r8, r9, [sp, #-8]!
- .save {r8, r9}
.cfi_adjust_cfa_offset 8
.cfi_rel_offset r8, 0
.cfi_rel_offset r9, 4
diff --git a/libc/arch-arm/cortex-a15/bionic/memset.S b/libc/arch-arm/cortex-a15/bionic/memset.S
index 12c68d6..e4a1ec8 100644
--- a/libc/arch-arm/cortex-a15/bionic/memset.S
+++ b/libc/arch-arm/cortex-a15/bionic/memset.S
@@ -44,7 +44,6 @@ ENTRY(__memset_chk)
bls .L_done
// Preserve lr for backtrace.
- .save {lr}
push {lr}
.cfi_def_cfa_offset 4
.cfi_rel_offset lr, 0
@@ -68,7 +67,6 @@ ENTRY(bzero)
END(bzero)
ENTRY(memset)
- .save {r0}
stmfd sp!, {r0}
.cfi_def_cfa_offset 4
.cfi_rel_offset r0, 0
diff --git a/libc/arch-arm/cortex-a15/bionic/strcmp.S b/libc/arch-arm/cortex-a15/bionic/strcmp.S
index 12da115..acedf0e 100644
--- a/libc/arch-arm/cortex-a15/bionic/strcmp.S
+++ b/libc/arch-arm/cortex-a15/bionic/strcmp.S
@@ -168,7 +168,6 @@ ENTRY(strcmp)
bne .L_do_align
/* Fast path. */
- .save {r4-r7}
init
.L_doubleword_aligned:
diff --git a/libc/arch-arm/cortex-a15/bionic/strcpy.S b/libc/arch-arm/cortex-a15/bionic/strcpy.S
index cb878c4..2cfdb19 100644
--- a/libc/arch-arm/cortex-a15/bionic/strcpy.S
+++ b/libc/arch-arm/cortex-a15/bionic/strcpy.S
@@ -62,6 +62,11 @@
.macro m_push
push {r0, r4, r5, lr}
+ .cfi_def_cfa_offset 16
+ .cfi_rel_offset r0, 0
+ .cfi_rel_offset r4, 4
+ .cfi_rel_offset r5, 8
+ .cfi_rel_offset lr, 12
.endm // m_push
.macro m_pop
@@ -78,61 +83,61 @@ ENTRY(strcpy)
// For short copies, hard-code checking the first 8 bytes since this
// new code doesn't win until after about 8 bytes.
m_push
- m_copy_byte reg=r2, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r3, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r4, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r5, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r2, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r3, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r4, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r5, cmd=cbnz, label=strcpy_continue
-
-strcpy_finish:
+ m_copy_byte reg=r2, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r3, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r4, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r5, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r2, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r3, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r4, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r5, cmd=cbnz, label=.Lstrcpy_continue
+
+.Lstrcpy_finish:
m_pop
-strcpy_continue:
+.Lstrcpy_continue:
pld [r1, #0]
ands r3, r0, #7
- beq strcpy_check_src_align
+ beq .Lstrcpy_check_src_align
// Align to a double word (64 bits).
rsb r3, r3, #8
lsls ip, r3, #31
- beq strcpy_align_to_32
+ beq .Lstrcpy_align_to_32
ldrb r2, [r1], #1
strb r2, [r0], #1
- cbz r2, strcpy_complete
+ cbz r2, .Lstrcpy_complete
-strcpy_align_to_32:
- bcc strcpy_align_to_64
+.Lstrcpy_align_to_32:
+ bcc .Lstrcpy_align_to_64
ldrb r2, [r1], #1
strb r2, [r0], #1
- cbz r2, strcpy_complete
+ cbz r2, .Lstrcpy_complete
ldrb r2, [r1], #1
strb r2, [r0], #1
- cbz r2, strcpy_complete
+ cbz r2, .Lstrcpy_complete
-strcpy_align_to_64:
+.Lstrcpy_align_to_64:
tst r3, #4
- beq strcpy_check_src_align
+ beq .Lstrcpy_check_src_align
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
str r2, [r0], #4
-strcpy_check_src_align:
+.Lstrcpy_check_src_align:
// At this point dst is aligned to a double word, check if src
// is also aligned to a double word.
ands r3, r1, #7
- bne strcpy_unaligned_copy
+ bne .Lstrcpy_unaligned_copy
.p2align 2
-strcpy_mainloop:
+.Lstrcpy_mainloop:
ldrd r2, r3, [r1], #8
pld [r1, #64]
@@ -140,128 +145,128 @@ strcpy_mainloop:
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
strd r2, r3, [r0], #8
- b strcpy_mainloop
+ b .Lstrcpy_mainloop
-strcpy_complete:
+.Lstrcpy_complete:
m_pop
-strcpy_zero_in_first_register:
+.Lstrcpy_zero_in_first_register:
lsls lr, ip, #17
- bne strcpy_copy1byte
- bcs strcpy_copy2bytes
+ bne .Lstrcpy_copy1byte
+ bcs .Lstrcpy_copy2bytes
lsls ip, ip, #1
- bne strcpy_copy3bytes
+ bne .Lstrcpy_copy3bytes
-strcpy_copy4bytes:
+.Lstrcpy_copy4bytes:
// Copy 4 bytes to the destiniation.
str r2, [r0]
m_pop
-strcpy_copy1byte:
+.Lstrcpy_copy1byte:
strb r2, [r0]
m_pop
-strcpy_copy2bytes:
+.Lstrcpy_copy2bytes:
strh r2, [r0]
m_pop
-strcpy_copy3bytes:
+.Lstrcpy_copy3bytes:
strh r2, [r0], #2
lsr r2, #16
strb r2, [r0]
m_pop
-strcpy_zero_in_second_register:
+.Lstrcpy_zero_in_second_register:
lsls lr, ip, #17
- bne strcpy_copy5bytes
- bcs strcpy_copy6bytes
+ bne .Lstrcpy_copy5bytes
+ bcs .Lstrcpy_copy6bytes
lsls ip, ip, #1
- bne strcpy_copy7bytes
+ bne .Lstrcpy_copy7bytes
// Copy 8 bytes to the destination.
strd r2, r3, [r0]
m_pop
-strcpy_copy5bytes:
+.Lstrcpy_copy5bytes:
str r2, [r0], #4
strb r3, [r0]
m_pop
-strcpy_copy6bytes:
+.Lstrcpy_copy6bytes:
str r2, [r0], #4
strh r3, [r0]
m_pop
-strcpy_copy7bytes:
+.Lstrcpy_copy7bytes:
str r2, [r0], #4
strh r3, [r0], #2
lsr r3, #16
strb r3, [r0]
m_pop
-strcpy_unaligned_copy:
+.Lstrcpy_unaligned_copy:
// Dst is aligned to a double word, while src is at an unknown alignment.
// There are 7 different versions of the unaligned copy code
// to prevent overreading the src. The mainloop of every single version
// will store 64 bits per loop. The difference is how much of src can
// be read without potentially crossing a page boundary.
tbb [pc, r3]
-strcpy_unaligned_branchtable:
+.Lstrcpy_unaligned_branchtable:
.byte 0
- .byte ((strcpy_unalign7 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign6 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign5 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign4 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign3 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign2 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign1 - strcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign7 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign6 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign5 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign4 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign3 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign2 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign1 - .Lstrcpy_unaligned_branchtable)/2)
.p2align 2
// Can read 7 bytes before possibly crossing a page.
-strcpy_unalign7:
+.Lstrcpy_unalign7:
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldrb r3, [r1]
- cbz r3, strcpy_unalign7_copy5bytes
+ cbz r3, .Lstrcpy_unalign7_copy5bytes
ldrb r4, [r1, #1]
- cbz r4, strcpy_unalign7_copy6bytes
+ cbz r4, .Lstrcpy_unalign7_copy6bytes
ldrb r5, [r1, #2]
- cbz r5, strcpy_unalign7_copy7bytes
+ cbz r5, .Lstrcpy_unalign7_copy7bytes
ldr r3, [r1], #4
pld [r1, #64]
lsrs ip, r3, #24
strd r2, r3, [r0], #8
- beq strcpy_unalign_return
- b strcpy_unalign7
+ beq .Lstrcpy_unalign_return
+ b .Lstrcpy_unalign7
-strcpy_unalign7_copy5bytes:
+.Lstrcpy_unalign7_copy5bytes:
str r2, [r0], #4
strb r3, [r0]
-strcpy_unalign_return:
+.Lstrcpy_unalign_return:
m_pop
-strcpy_unalign7_copy6bytes:
+.Lstrcpy_unalign7_copy6bytes:
str r2, [r0], #4
strb r3, [r0], #1
strb r4, [r0], #1
m_pop
-strcpy_unalign7_copy7bytes:
+.Lstrcpy_unalign7_copy7bytes:
str r2, [r0], #4
strb r3, [r0], #1
strb r4, [r0], #1
@@ -270,41 +275,41 @@ strcpy_unalign7_copy7bytes:
.p2align 2
// Can read 6 bytes before possibly crossing a page.
-strcpy_unalign6:
+.Lstrcpy_unalign6:
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldrb r4, [r1]
- cbz r4, strcpy_unalign_copy5bytes
+ cbz r4, .Lstrcpy_unalign_copy5bytes
ldrb r5, [r1, #1]
- cbz r5, strcpy_unalign_copy6bytes
+ cbz r5, .Lstrcpy_unalign_copy6bytes
ldr r3, [r1], #4
pld [r1, #64]
tst r3, #0xff0000
- beq strcpy_copy7bytes
+ beq .Lstrcpy_copy7bytes
lsrs ip, r3, #24
strd r2, r3, [r0], #8
- beq strcpy_unalign_return
- b strcpy_unalign6
+ beq .Lstrcpy_unalign_return
+ b .Lstrcpy_unalign6
.p2align 2
// Can read 5 bytes before possibly crossing a page.
-strcpy_unalign5:
+.Lstrcpy_unalign5:
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldrb r4, [r1]
- cbz r4, strcpy_unalign_copy5bytes
+ cbz r4, .Lstrcpy_unalign_copy5bytes
ldr r3, [r1], #4
@@ -313,17 +318,17 @@ strcpy_unalign5:
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
strd r2, r3, [r0], #8
- b strcpy_unalign5
+ b .Lstrcpy_unalign5
-strcpy_unalign_copy5bytes:
+.Lstrcpy_unalign_copy5bytes:
str r2, [r0], #4
strb r4, [r0]
m_pop
-strcpy_unalign_copy6bytes:
+.Lstrcpy_unalign_copy6bytes:
str r2, [r0], #4
strb r4, [r0], #1
strb r5, [r0]
@@ -331,13 +336,13 @@ strcpy_unalign_copy6bytes:
.p2align 2
// Can read 4 bytes before possibly crossing a page.
-strcpy_unalign4:
+.Lstrcpy_unalign4:
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldr r3, [r1], #4
pld [r1, #64]
@@ -345,20 +350,20 @@ strcpy_unalign4:
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
strd r2, r3, [r0], #8
- b strcpy_unalign4
+ b .Lstrcpy_unalign4
.p2align 2
// Can read 3 bytes before possibly crossing a page.
-strcpy_unalign3:
+.Lstrcpy_unalign3:
ldrb r2, [r1]
- cbz r2, strcpy_unalign3_copy1byte
+ cbz r2, .Lstrcpy_unalign3_copy1byte
ldrb r3, [r1, #1]
- cbz r3, strcpy_unalign3_copy2bytes
+ cbz r3, .Lstrcpy_unalign3_copy2bytes
ldrb r4, [r1, #2]
- cbz r4, strcpy_unalign3_copy3bytes
+ cbz r4, .Lstrcpy_unalign3_copy3bytes
ldr r2, [r1], #4
ldr r3, [r1], #4
@@ -366,26 +371,26 @@ strcpy_unalign3:
pld [r1, #64]
lsrs lr, r2, #24
- beq strcpy_copy4bytes
+ beq .Lstrcpy_copy4bytes
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
strd r2, r3, [r0], #8
- b strcpy_unalign3
+ b .Lstrcpy_unalign3
-strcpy_unalign3_copy1byte:
+.Lstrcpy_unalign3_copy1byte:
strb r2, [r0]
m_pop
-strcpy_unalign3_copy2bytes:
+.Lstrcpy_unalign3_copy2bytes:
strb r2, [r0], #1
strb r3, [r0]
m_pop
-strcpy_unalign3_copy3bytes:
+.Lstrcpy_unalign3_copy3bytes:
strb r2, [r0], #1
strb r3, [r0], #1
strb r4, [r0]
@@ -393,34 +398,34 @@ strcpy_unalign3_copy3bytes:
.p2align 2
// Can read 2 bytes before possibly crossing a page.
-strcpy_unalign2:
+.Lstrcpy_unalign2:
ldrb r2, [r1]
- cbz r2, strcpy_unalign_copy1byte
+ cbz r2, .Lstrcpy_unalign_copy1byte
ldrb r4, [r1, #1]
- cbz r4, strcpy_unalign_copy2bytes
+ cbz r4, .Lstrcpy_unalign_copy2bytes
ldr r2, [r1], #4
ldr r3, [r1], #4
pld [r1, #64]
tst r2, #0xff0000
- beq strcpy_copy3bytes
+ beq .Lstrcpy_copy3bytes
lsrs ip, r2, #24
- beq strcpy_copy4bytes
+ beq .Lstrcpy_copy4bytes
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
strd r2, r3, [r0], #8
- b strcpy_unalign2
+ b .Lstrcpy_unalign2
.p2align 2
// Can read 1 byte before possibly crossing a page.
-strcpy_unalign1:
+.Lstrcpy_unalign1:
ldrb r2, [r1]
- cbz r2, strcpy_unalign_copy1byte
+ cbz r2, .Lstrcpy_unalign_copy1byte
ldr r2, [r1], #4
ldr r3, [r1], #4
@@ -430,21 +435,21 @@ strcpy_unalign1:
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
strd r2, r3, [r0], #8
- b strcpy_unalign1
+ b .Lstrcpy_unalign1
-strcpy_unalign_copy1byte:
+.Lstrcpy_unalign_copy1byte:
strb r2, [r0]
m_pop
-strcpy_unalign_copy2bytes:
+.Lstrcpy_unalign_copy2bytes:
strb r2, [r0], #1
strb r4, [r0]
m_pop
diff --git a/libc/arch-arm/cortex-a9/bionic/__strcat_chk.S b/libc/arch-arm/cortex-a9/bionic/__strcat_chk.S
index 651aefc..45517f1 100644
--- a/libc/arch-arm/cortex-a9/bionic/__strcat_chk.S
+++ b/libc/arch-arm/cortex-a9/bionic/__strcat_chk.S
@@ -40,12 +40,10 @@
ENTRY(__strcat_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
push {r4, r5}
- .save {r4, r5}
.cfi_adjust_cfa_offset 8
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
@@ -199,8 +197,6 @@ END(__strcat_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcat_chk_fail)
- .save {r0, lr}
- .save {r4, r5}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/cortex-a9/bionic/__strcpy_chk.S b/libc/arch-arm/cortex-a9/bionic/__strcpy_chk.S
index 2447780..67eca08 100644
--- a/libc/arch-arm/cortex-a9/bionic/__strcpy_chk.S
+++ b/libc/arch-arm/cortex-a9/bionic/__strcpy_chk.S
@@ -39,7 +39,6 @@
ENTRY(__strcpy_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -165,7 +164,6 @@ END(__strcpy_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcpy_chk_fail)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/cortex-a9/bionic/memcpy.S b/libc/arch-arm/cortex-a9/bionic/memcpy.S
index 8dcd937..db3e26f 100644
--- a/libc/arch-arm/cortex-a9/bionic/memcpy.S
+++ b/libc/arch-arm/cortex-a9/bionic/memcpy.S
@@ -50,7 +50,6 @@ END(__memcpy_chk)
ENTRY(memcpy)
pld [r1, #0]
stmfd sp!, {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -64,7 +63,6 @@ END(memcpy)
ENTRY_PRIVATE(__memcpy_chk_fail)
// Preserve lr for backtrace.
push {lr}
- .save {lr}
.cfi_def_cfa_offset 4
.cfi_rel_offset lr, 0
diff --git a/libc/arch-arm/cortex-a9/bionic/memcpy_base.S b/libc/arch-arm/cortex-a9/bionic/memcpy_base.S
index c385657..5e81305 100644
--- a/libc/arch-arm/cortex-a9/bionic/memcpy_base.S
+++ b/libc/arch-arm/cortex-a9/bionic/memcpy_base.S
@@ -33,7 +33,6 @@
*/
ENTRY_PRIVATE(MEMCPY_BASE)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -139,14 +138,12 @@ ENTRY_PRIVATE(MEMCPY_BASE)
END(MEMCPY_BASE)
ENTRY_PRIVATE(MEMCPY_BASE_ALIGNED)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
/* Simple arm-only copy loop to handle aligned copy operations */
stmfd sp!, {r4-r8}
- .save {r4-r8}
.cfi_adjust_cfa_offset 20
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
diff --git a/libc/arch-arm/cortex-a9/bionic/memset.S b/libc/arch-arm/cortex-a9/bionic/memset.S
index a5057eb..299f5a2 100644
--- a/libc/arch-arm/cortex-a9/bionic/memset.S
+++ b/libc/arch-arm/cortex-a9/bionic/memset.S
@@ -42,7 +42,6 @@ ENTRY(__memset_chk)
// Preserve lr for backtrace.
push {lr}
- .save {lr}
.cfi_def_cfa_offset 4
.cfi_rel_offset lr, 0
@@ -72,7 +71,6 @@ ENTRY(memset)
bhi __memset_large_copy
stmfd sp!, {r0}
- .save {r0}
.cfi_def_cfa_offset 4
.cfi_rel_offset r0, 0
@@ -114,7 +112,6 @@ ENTRY_PRIVATE(__memset_large_copy)
* offset = (4-(src&3))&3 = -src & 3
*/
stmfd sp!, {r0, r4-r7, lr}
- .save {r0, r4-r7, lr}
.cfi_def_cfa_offset 24
.cfi_rel_offset r0, 0
.cfi_rel_offset r4, 4
diff --git a/libc/arch-arm/cortex-a9/bionic/strcmp.S b/libc/arch-arm/cortex-a9/bionic/strcmp.S
index 2411c65..4ff26c0 100644
--- a/libc/arch-arm/cortex-a9/bionic/strcmp.S
+++ b/libc/arch-arm/cortex-a9/bionic/strcmp.S
@@ -168,7 +168,6 @@ ENTRY(strcmp)
bne .L_do_align
/* Fast path. */
- .save {r4-r7}
init
.L_doubleword_aligned:
diff --git a/libc/arch-arm/cortex-a9/bionic/strcpy.S b/libc/arch-arm/cortex-a9/bionic/strcpy.S
index 9e9610b..d705aa3 100644
--- a/libc/arch-arm/cortex-a9/bionic/strcpy.S
+++ b/libc/arch-arm/cortex-a9/bionic/strcpy.S
@@ -62,6 +62,11 @@
.macro m_push
push {r0, r4, r5, lr}
+ .cfi_def_cfa_offset 16
+ .cfi_rel_offset r0, 0
+ .cfi_rel_offset r4, 4
+ .cfi_rel_offset r5, 8
+ .cfi_rel_offset lr, 12
.endm // m_push
.macro m_ret inst
@@ -77,31 +82,31 @@
ENTRY(strcpy)
// Unroll the first 8 bytes that will be copied.
m_push
- m_copy_byte reg=r2, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r3, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r4, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r5, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r2, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r3, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r4, cmd=cbz, label=strcpy_finish
- m_copy_byte reg=r5, cmd=cbnz, label=strcpy_continue
-
-strcpy_finish:
+ m_copy_byte reg=r2, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r3, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r4, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r5, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r2, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r3, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r4, cmd=cbz, label=.Lstrcpy_finish
+ m_copy_byte reg=r5, cmd=cbnz, label=.Lstrcpy_continue
+
+.Lstrcpy_finish:
m_ret inst=pop
-strcpy_continue:
+.Lstrcpy_continue:
pld [r1, #0]
ands r3, r0, #7
- bne strcpy_align_dst
+ bne .Lstrcpy_align_dst
-strcpy_check_src_align:
+.Lstrcpy_check_src_align:
// At this point dst is aligned to a double word, check if src
// is also aligned to a double word.
ands r3, r1, #7
- bne strcpy_unaligned_copy
+ bne .Lstrcpy_unaligned_copy
.p2align 2
-strcpy_mainloop:
+.Lstrcpy_mainloop:
ldmia r1!, {r2, r3}
pld [r1, #64]
@@ -109,17 +114,17 @@ strcpy_mainloop:
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
stmia r0!, {r2, r3}
- b strcpy_mainloop
+ b .Lstrcpy_mainloop
-strcpy_zero_in_first_register:
+.Lstrcpy_zero_in_first_register:
lsls lr, ip, #17
itt ne
strbne r2, [r0]
@@ -136,7 +141,7 @@ strcpy_zero_in_first_register:
strb r3, [r0]
m_ret inst=pop
-strcpy_zero_in_second_register:
+.Lstrcpy_zero_in_second_register:
lsls lr, ip, #17
ittt ne
stmiane r0!, {r2}
@@ -156,18 +161,18 @@ strcpy_zero_in_second_register:
strb r4, [r0]
m_ret inst=pop
-strcpy_align_dst:
+.Lstrcpy_align_dst:
// Align to a double word (64 bits).
rsb r3, r3, #8
lsls ip, r3, #31
- beq strcpy_align_to_32
+ beq .Lstrcpy_align_to_32
ldrb r2, [r1], #1
strb r2, [r0], #1
- cbz r2, strcpy_complete
+ cbz r2, .Lstrcpy_complete
-strcpy_align_to_32:
- bcc strcpy_align_to_64
+.Lstrcpy_align_to_32:
+ bcc .Lstrcpy_align_to_64
ldrb r4, [r1], #1
strb r4, [r0], #1
@@ -180,76 +185,76 @@ strcpy_align_to_32:
it eq
m_ret inst=popeq
-strcpy_align_to_64:
+.Lstrcpy_align_to_64:
tst r3, #4
- beq strcpy_check_src_align
+ beq .Lstrcpy_check_src_align
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
stmia r0!, {r2}
- b strcpy_check_src_align
+ b .Lstrcpy_check_src_align
-strcpy_complete:
+.Lstrcpy_complete:
m_ret inst=pop
-strcpy_unaligned_copy:
+.Lstrcpy_unaligned_copy:
// Dst is aligned to a double word, while src is at an unknown alignment.
// There are 7 different versions of the unaligned copy code
// to prevent overreading the src. The mainloop of every single version
// will store 64 bits per loop. The difference is how much of src can
// be read without potentially crossing a page boundary.
tbb [pc, r3]
-strcpy_unaligned_branchtable:
+.Lstrcpy_unaligned_branchtable:
.byte 0
- .byte ((strcpy_unalign7 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign6 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign5 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign4 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign3 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign2 - strcpy_unaligned_branchtable)/2)
- .byte ((strcpy_unalign1 - strcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign7 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign6 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign5 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign4 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign3 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign2 - .Lstrcpy_unaligned_branchtable)/2)
+ .byte ((.Lstrcpy_unalign1 - .Lstrcpy_unaligned_branchtable)/2)
.p2align 2
// Can read 7 bytes before possibly crossing a page.
-strcpy_unalign7:
+.Lstrcpy_unalign7:
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldrb r3, [r1]
- cbz r3, strcpy_unalign7_copy5bytes
+ cbz r3, .Lstrcpy_unalign7_copy5bytes
ldrb r4, [r1, #1]
- cbz r4, strcpy_unalign7_copy6bytes
+ cbz r4, .Lstrcpy_unalign7_copy6bytes
ldrb r5, [r1, #2]
- cbz r5, strcpy_unalign7_copy7bytes
+ cbz r5, .Lstrcpy_unalign7_copy7bytes
ldr r3, [r1], #4
pld [r1, #64]
lsrs ip, r3, #24
stmia r0!, {r2, r3}
- beq strcpy_unalign_return
- b strcpy_unalign7
+ beq .Lstrcpy_unalign_return
+ b .Lstrcpy_unalign7
-strcpy_unalign7_copy5bytes:
+.Lstrcpy_unalign7_copy5bytes:
stmia r0!, {r2}
strb r3, [r0]
-strcpy_unalign_return:
+.Lstrcpy_unalign_return:
m_ret inst=pop
-strcpy_unalign7_copy6bytes:
+.Lstrcpy_unalign7_copy6bytes:
stmia r0!, {r2}
strb r3, [r0], #1
strb r4, [r0], #1
m_ret inst=pop
-strcpy_unalign7_copy7bytes:
+.Lstrcpy_unalign7_copy7bytes:
stmia r0!, {r2}
strb r3, [r0], #1
strb r4, [r0], #1
@@ -258,30 +263,30 @@ strcpy_unalign7_copy7bytes:
.p2align 2
// Can read 6 bytes before possibly crossing a page.
-strcpy_unalign6:
+.Lstrcpy_unalign6:
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldrb r4, [r1]
- cbz r4, strcpy_unalign_copy5bytes
+ cbz r4, .Lstrcpy_unalign_copy5bytes
ldrb r5, [r1, #1]
- cbz r5, strcpy_unalign_copy6bytes
+ cbz r5, .Lstrcpy_unalign_copy6bytes
ldr r3, [r1], #4
pld [r1, #64]
tst r3, #0xff0000
- beq strcpy_unalign6_copy7bytes
+ beq .Lstrcpy_unalign6_copy7bytes
lsrs ip, r3, #24
stmia r0!, {r2, r3}
- beq strcpy_unalign_return
- b strcpy_unalign6
+ beq .Lstrcpy_unalign_return
+ b .Lstrcpy_unalign6
-strcpy_unalign6_copy7bytes:
+.Lstrcpy_unalign6_copy7bytes:
stmia r0!, {r2}
strh r3, [r0], #2
lsr r3, #16
@@ -290,16 +295,16 @@ strcpy_unalign6_copy7bytes:
.p2align 2
// Can read 5 bytes before possibly crossing a page.
-strcpy_unalign5:
+.Lstrcpy_unalign5:
ldr r2, [r1], #4
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldrb r4, [r1]
- cbz r4, strcpy_unalign_copy5bytes
+ cbz r4, .Lstrcpy_unalign_copy5bytes
ldr r3, [r1], #4
@@ -308,17 +313,17 @@ strcpy_unalign5:
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
stmia r0!, {r2, r3}
- b strcpy_unalign5
+ b .Lstrcpy_unalign5
-strcpy_unalign_copy5bytes:
+.Lstrcpy_unalign_copy5bytes:
stmia r0!, {r2}
strb r4, [r0]
m_ret inst=pop
-strcpy_unalign_copy6bytes:
+.Lstrcpy_unalign_copy6bytes:
stmia r0!, {r2}
strb r4, [r0], #1
strb r5, [r0]
@@ -326,13 +331,13 @@ strcpy_unalign_copy6bytes:
.p2align 2
// Can read 4 bytes before possibly crossing a page.
-strcpy_unalign4:
+.Lstrcpy_unalign4:
ldmia r1!, {r2}
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
ldmia r1!, {r3}
pld [r1, #64]
@@ -340,20 +345,20 @@ strcpy_unalign4:
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
stmia r0!, {r2, r3}
- b strcpy_unalign4
+ b .Lstrcpy_unalign4
.p2align 2
// Can read 3 bytes before possibly crossing a page.
-strcpy_unalign3:
+.Lstrcpy_unalign3:
ldrb r2, [r1]
- cbz r2, strcpy_unalign3_copy1byte
+ cbz r2, .Lstrcpy_unalign3_copy1byte
ldrb r3, [r1, #1]
- cbz r3, strcpy_unalign3_copy2bytes
+ cbz r3, .Lstrcpy_unalign3_copy2bytes
ldrb r4, [r1, #2]
- cbz r4, strcpy_unalign3_copy3bytes
+ cbz r4, .Lstrcpy_unalign3_copy3bytes
ldr r2, [r1], #4
ldr r3, [r1], #4
@@ -361,26 +366,26 @@ strcpy_unalign3:
pld [r1, #64]
lsrs lr, r2, #24
- beq strcpy_unalign_copy4bytes
+ beq .Lstrcpy_unalign_copy4bytes
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
stmia r0!, {r2, r3}
- b strcpy_unalign3
+ b .Lstrcpy_unalign3
-strcpy_unalign3_copy1byte:
+.Lstrcpy_unalign3_copy1byte:
strb r2, [r0]
m_ret inst=pop
-strcpy_unalign3_copy2bytes:
+.Lstrcpy_unalign3_copy2bytes:
strb r2, [r0], #1
strb r3, [r0]
m_ret inst=pop
-strcpy_unalign3_copy3bytes:
+.Lstrcpy_unalign3_copy3bytes:
strb r2, [r0], #1
strb r3, [r0], #1
strb r4, [r0]
@@ -388,34 +393,34 @@ strcpy_unalign3_copy3bytes:
.p2align 2
// Can read 2 bytes before possibly crossing a page.
-strcpy_unalign2:
+.Lstrcpy_unalign2:
ldrb r2, [r1]
- cbz r2, strcpy_unalign_copy1byte
+ cbz r2, .Lstrcpy_unalign_copy1byte
ldrb r3, [r1, #1]
- cbz r3, strcpy_unalign_copy2bytes
+ cbz r3, .Lstrcpy_unalign_copy2bytes
ldr r2, [r1], #4
ldr r3, [r1], #4
pld [r1, #64]
tst r2, #0xff0000
- beq strcpy_unalign_copy3bytes
+ beq .Lstrcpy_unalign_copy3bytes
lsrs ip, r2, #24
- beq strcpy_unalign_copy4bytes
+ beq .Lstrcpy_unalign_copy4bytes
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
stmia r0!, {r2, r3}
- b strcpy_unalign2
+ b .Lstrcpy_unalign2
.p2align 2
// Can read 1 byte before possibly crossing a page.
-strcpy_unalign1:
+.Lstrcpy_unalign1:
ldrb r2, [r1]
- cbz r2, strcpy_unalign_copy1byte
+ cbz r2, .Lstrcpy_unalign_copy1byte
ldr r2, [r1], #4
ldr r3, [r1], #4
@@ -425,32 +430,32 @@ strcpy_unalign1:
sub ip, r2, #0x01010101
bic ip, ip, r2
ands ip, ip, #0x80808080
- bne strcpy_zero_in_first_register
+ bne .Lstrcpy_zero_in_first_register
sub ip, r3, #0x01010101
bic ip, ip, r3
ands ip, ip, #0x80808080
- bne strcpy_zero_in_second_register
+ bne .Lstrcpy_zero_in_second_register
stmia r0!, {r2, r3}
- b strcpy_unalign1
+ b .Lstrcpy_unalign1
-strcpy_unalign_copy1byte:
+.Lstrcpy_unalign_copy1byte:
strb r2, [r0]
m_ret inst=pop
-strcpy_unalign_copy2bytes:
+.Lstrcpy_unalign_copy2bytes:
strb r2, [r0], #1
strb r3, [r0]
m_ret inst=pop
-strcpy_unalign_copy3bytes:
+.Lstrcpy_unalign_copy3bytes:
strh r2, [r0], #2
lsr r2, #16
strb r2, [r0]
m_ret inst=pop
-strcpy_unalign_copy4bytes:
+.Lstrcpy_unalign_copy4bytes:
stmia r0, {r2}
m_ret inst=pop
END(strcpy)
diff --git a/libc/arch-arm/denver/bionic/__strcat_chk.S b/libc/arch-arm/denver/bionic/__strcat_chk.S
index 36da2d9..a2e9c22 100644
--- a/libc/arch-arm/denver/bionic/__strcat_chk.S
+++ b/libc/arch-arm/denver/bionic/__strcat_chk.S
@@ -40,12 +40,10 @@
ENTRY(__strcat_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
push {r4, r5}
- .save {r4, r5}
.cfi_adjust_cfa_offset 8
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
@@ -195,9 +193,6 @@ END(__strcat_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcat_chk_failed)
- .save {r0, lr}
- .save {r4, r5}
-
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/denver/bionic/__strcpy_chk.S b/libc/arch-arm/denver/bionic/__strcpy_chk.S
index c3e3e14..db76686 100644
--- a/libc/arch-arm/denver/bionic/__strcpy_chk.S
+++ b/libc/arch-arm/denver/bionic/__strcpy_chk.S
@@ -39,7 +39,6 @@
ENTRY(__strcpy_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -161,7 +160,6 @@ END(__strcpy_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcpy_chk_failed)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/denver/bionic/memcpy.S b/libc/arch-arm/denver/bionic/memcpy.S
index da4f3dd..410b663 100644
--- a/libc/arch-arm/denver/bionic/memcpy.S
+++ b/libc/arch-arm/denver/bionic/memcpy.S
@@ -72,7 +72,6 @@ END(__memcpy_chk)
ENTRY(memcpy)
pld [r1, #64]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -85,7 +84,6 @@ END(memcpy)
ENTRY_PRIVATE(__memcpy_chk_fail)
// Preserve lr for backtrace.
push {lr}
- .save {lr}
.cfi_def_cfa_offset 4
.cfi_rel_offset lr, 0
diff --git a/libc/arch-arm/krait/bionic/__strcat_chk.S b/libc/arch-arm/krait/bionic/__strcat_chk.S
index 34becdb..246f159 100644
--- a/libc/arch-arm/krait/bionic/__strcat_chk.S
+++ b/libc/arch-arm/krait/bionic/__strcat_chk.S
@@ -40,12 +40,10 @@
ENTRY(__strcat_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
push {r4, r5}
- .save {r4, r5}
.cfi_adjust_cfa_offset 8
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
@@ -194,8 +192,6 @@ END(__strcat_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcat_chk_failed)
- .save {r0, lr}
- .save {r4, r5}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/krait/bionic/__strcpy_chk.S b/libc/arch-arm/krait/bionic/__strcpy_chk.S
index c3e3e14..db76686 100644
--- a/libc/arch-arm/krait/bionic/__strcpy_chk.S
+++ b/libc/arch-arm/krait/bionic/__strcpy_chk.S
@@ -39,7 +39,6 @@
ENTRY(__strcpy_chk)
pld [r0, #0]
push {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -161,7 +160,6 @@ END(__strcpy_chk)
#include "memcpy_base.S"
ENTRY_PRIVATE(__strcpy_chk_failed)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/krait/bionic/memcpy.S b/libc/arch-arm/krait/bionic/memcpy.S
index 0b7b276..9ff46a8 100644
--- a/libc/arch-arm/krait/bionic/memcpy.S
+++ b/libc/arch-arm/krait/bionic/memcpy.S
@@ -53,7 +53,6 @@ END(__memcpy_chk)
ENTRY(memcpy)
pld [r1, #64]
stmfd sp!, {r0, lr}
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
@@ -66,7 +65,6 @@ END(memcpy)
ENTRY_PRIVATE(__memcpy_chk_fail)
// Preserve lr for backtrace.
push {lr}
- .save {lr}
.cfi_def_cfa_offset 4
.cfi_rel_offset lr, 0
diff --git a/libc/arch-arm/krait/bionic/memcpy_base.S b/libc/arch-arm/krait/bionic/memcpy_base.S
index 99fc255..035dcf1 100644
--- a/libc/arch-arm/krait/bionic/memcpy_base.S
+++ b/libc/arch-arm/krait/bionic/memcpy_base.S
@@ -36,7 +36,6 @@
// Assumes neon instructions and a cache line size of 32 bytes.
ENTRY_PRIVATE(MEMCPY_BASE)
- .save {r0, lr}
.cfi_def_cfa_offset 8
.cfi_rel_offset r0, 0
.cfi_rel_offset lr, 4
diff --git a/libc/arch-arm/krait/bionic/memset.S b/libc/arch-arm/krait/bionic/memset.S
index 5d1943b..e9f6431 100644
--- a/libc/arch-arm/krait/bionic/memset.S
+++ b/libc/arch-arm/krait/bionic/memset.S
@@ -43,7 +43,6 @@ ENTRY(__memset_chk)
bls .L_done
// Preserve lr for backtrace.
- .save {lr}
push {lr}
.cfi_def_cfa_offset 4
.cfi_rel_offset lr, 0
@@ -69,7 +68,6 @@ END(bzero)
/* memset() returns its first argument. */
ENTRY(memset)
- .save {r0}
stmfd sp!, {r0}
.cfi_def_cfa_offset 4
.cfi_rel_offset r0, 0
diff --git a/libc/arch-arm/krait/bionic/strcmp.S b/libc/arch-arm/krait/bionic/strcmp.S
index eacb82a..9121c01 100644
--- a/libc/arch-arm/krait/bionic/strcmp.S
+++ b/libc/arch-arm/krait/bionic/strcmp.S
@@ -168,7 +168,6 @@ ENTRY(strcmp)
bne .L_do_align
/* Fast path. */
- .save {r4-r7}
init
.L_doubleword_aligned: