svn commit: r271337 - in stable/10: lib/libc/arm/gen lib/libc/arm/string lib/libc/arm/sys sys/arm/include
Ian Lepore
ian at FreeBSD.org
Tue Sep 9 22:24:06 UTC 2014
Author: ian
Date: Tue Sep 9 22:24:01 2014
New Revision: 271337
URL: http://svnweb.freebsd.org/changeset/base/271337
Log:
MFC r270882, r270930:
In ARM asm code, ensure that every ENTRY(foo) has a matching END(foo).
The EABI unwind info requires a .fnend for every .fnstart, and newer
binutils will complain about seeing two .fnstart in a row. This change
allows newer tools to compile our code.
Do not generate unwind info in asm functions if _STANDALONE is defined.
The .fnend op causes the assembler to emit RELOC references to unwind
support functions that don't exist in libstand.
Approved by: re(gjb)
Modified:
stable/10/lib/libc/arm/gen/__aeabi_read_tp.S
stable/10/lib/libc/arm/gen/_ctx_start.S
stable/10/lib/libc/arm/gen/_setjmp.S
stable/10/lib/libc/arm/gen/alloca.S
stable/10/lib/libc/arm/gen/divsi3.S
stable/10/lib/libc/arm/gen/setjmp.S
stable/10/lib/libc/arm/gen/sigsetjmp.S
stable/10/lib/libc/arm/string/ffs.S
stable/10/lib/libc/arm/string/memcmp.S
stable/10/lib/libc/arm/string/memcpy_arm.S
stable/10/lib/libc/arm/string/memcpy_xscale.S
stable/10/lib/libc/arm/string/memmove.S
stable/10/lib/libc/arm/string/memset.S
stable/10/lib/libc/arm/string/strcmp.S
stable/10/lib/libc/arm/string/strlen.S
stable/10/lib/libc/arm/string/strncmp.S
stable/10/lib/libc/arm/sys/Ovfork.S
stable/10/lib/libc/arm/sys/brk.S
stable/10/lib/libc/arm/sys/cerror.S
stable/10/lib/libc/arm/sys/pipe.S
stable/10/lib/libc/arm/sys/ptrace.S
stable/10/lib/libc/arm/sys/sbrk.S
stable/10/sys/arm/include/asm.h
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/lib/libc/arm/gen/__aeabi_read_tp.S
==============================================================================
--- stable/10/lib/libc/arm/gen/__aeabi_read_tp.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/gen/__aeabi_read_tp.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -38,6 +38,7 @@ ENTRY(__aeabi_read_tp)
mrc p15, 0, r0, c13, c0, 3
#endif
RET
+END(__aeabi_read_tp)
#ifdef ARM_TP_ADDRESS
.Larm_tp_address:
Modified: stable/10/lib/libc/arm/gen/_ctx_start.S
==============================================================================
--- stable/10/lib/libc/arm/gen/_ctx_start.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/gen/_ctx_start.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -7,3 +7,4 @@ ENTRY(_ctx_start)
mov r0, r5
bl _C_LABEL(ctx_done)
bl _C_LABEL(abort)
+END(_ctx_start)
Modified: stable/10/lib/libc/arm/gen/_setjmp.S
==============================================================================
--- stable/10/lib/libc/arm/gen/_setjmp.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/gen/_setjmp.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -89,6 +89,7 @@ ENTRY(_setjmp)
mov r0, #0x00000000
RET
+END(_setjmp)
.L_setjmp_magic:
.word _JB_MAGIC__SETJMP
@@ -140,3 +141,4 @@ botch:
#else
b .
#endif
+END(_longjmp)
Modified: stable/10/lib/libc/arm/gen/alloca.S
==============================================================================
--- stable/10/lib/libc/arm/gen/alloca.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/gen/alloca.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -43,3 +43,4 @@ ENTRY(alloca)
sub sp, sp, r0 /* Adjust the stack pointer */
mov r0, sp /* r0 = base of new space */
RET
+END(alloca)
Modified: stable/10/lib/libc/arm/gen/divsi3.S
==============================================================================
--- stable/10/lib/libc/arm/gen/divsi3.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/gen/divsi3.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -29,6 +29,7 @@ ENTRY(__umodsi3)
add sp, sp, #4 /* unalign stack */
mov r0, r1
ldmfd sp!, {pc}
+END(__umodsi3)
ENTRY(__modsi3)
stmfd sp!, {lr}
@@ -48,6 +49,7 @@ ENTRY(__modsi3)
mvn r0, #0
#endif
RET
+END(__modsi3)
ENTRY(__udivsi3)
.L_udivide: /* r0 = r0 / r1; r1 = r0 % r1 */
@@ -70,6 +72,7 @@ ENTRY(__udivsi3)
mov r0, r1
mov r1, #0
RET
+END(__udivsi3)
ENTRY(__divsi3)
.L_divide: /* r0 = r0 / r1; r1 = r0 % r1 */
@@ -385,3 +388,4 @@ ENTRY(__divsi3)
addhs r3, r3, r2
mov r0, r3
RET
+END(__divsi3)
Modified: stable/10/lib/libc/arm/gen/setjmp.S
==============================================================================
--- stable/10/lib/libc/arm/gen/setjmp.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/gen/setjmp.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -101,7 +101,7 @@ ENTRY(setjmp)
.Lfpu_present:
.word PIC_SYM(_libc_arm_fpu_present, GOTOFF)
#endif /* __ARM_EABI__ */
-
+END(setjmp)
.weak _C_LABEL(longjmp)
.set _C_LABEL(longjmp), _C_LABEL(__longjmp)
@@ -150,3 +150,4 @@ ENTRY(__longjmp)
bl PIC_SYM(_C_LABEL(longjmperror), PLT)
bl PIC_SYM(_C_LABEL(abort), PLT)
b . - 8 /* Cannot get here */
+END(__longjmp)
Modified: stable/10/lib/libc/arm/gen/sigsetjmp.S
==============================================================================
--- stable/10/lib/libc/arm/gen/sigsetjmp.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/gen/sigsetjmp.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -51,6 +51,7 @@ ENTRY(sigsetjmp)
teq r1, #0
beq PIC_SYM(_C_LABEL(_setjmp), PLT)
b PIC_SYM(_C_LABEL(setjmp), PLT)
+END(sigsetjmp)
.L_setjmp_magic:
.word _JB_MAGIC__SETJMP
@@ -64,3 +65,4 @@ ENTRY(siglongjmp)
teq r2, r3 /* magic correct? */
beq PIC_SYM(_C_LABEL(_longjmp), PLT)
b PIC_SYM(_C_LABEL(longjmp), PLT)
+END(siglongjmp)
Modified: stable/10/lib/libc/arm/string/ffs.S
==============================================================================
--- stable/10/lib/libc/arm/string/ffs.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/ffs.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -80,3 +80,4 @@ ENTRY(ffs)
rsbne r0, r0, #32
RET
#endif
+END(ffs)
Modified: stable/10/lib/libc/arm/string/memcmp.S
==============================================================================
--- stable/10/lib/libc/arm/string/memcmp.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/memcmp.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -178,3 +178,4 @@ ENTRY(memcmp)
sub r0, r3, r2 /* r0 = b1#5 - b2#5 */
RET
#endif
+END(memcmp)
Modified: stable/10/lib/libc/arm/string/memcpy_arm.S
==============================================================================
--- stable/10/lib/libc/arm/string/memcpy_arm.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/memcpy_arm.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -330,3 +330,4 @@ ENTRY(memcpy)
.Lmemcpy_srcul3l4:
sub r1, r1, #1
b .Lmemcpy_l4
+END(memcpy)
Modified: stable/10/lib/libc/arm/string/memcpy_xscale.S
==============================================================================
--- stable/10/lib/libc/arm/string/memcpy_xscale.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/memcpy_xscale.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -1781,3 +1781,4 @@ ENTRY(memcpy)
strb r1, [r0, #0x0b]
bx lr
#endif /* !_STANDALONE */
+END(memcpy)
Modified: stable/10/lib/libc/arm/string/memmove.S
==============================================================================
--- stable/10/lib/libc/arm/string/memmove.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/memmove.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -580,3 +580,8 @@ ENTRY(bcopy)
.Lmemmove_bsrcul1l4:
add r1, r1, #1
b .Lmemmove_bl4
+#ifndef _BCOPY
+END(memmove)
+#else
+END(bcopy)
+#endif
Modified: stable/10/lib/libc/arm/string/memset.S
==============================================================================
--- stable/10/lib/libc/arm/string/memset.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/memset.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -234,3 +234,8 @@ ENTRY(memset)
strgeb r3, [ip], #0x01 /* Set another byte */
strgtb r3, [ip] /* and a third */
RET /* Exit */
+#ifdef _BZERO
+END(bzero)
+#else
+END(memset)
+#endif
Modified: stable/10/lib/libc/arm/string/strcmp.S
==============================================================================
--- stable/10/lib/libc/arm/string/strcmp.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/strcmp.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -41,3 +41,4 @@ ENTRY(strcmp)
beq 1b
sub r0, r2, r3
RET
+END(strcmp)
Modified: stable/10/lib/libc/arm/string/strlen.S
==============================================================================
--- stable/10/lib/libc/arm/string/strlen.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/strlen.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -76,3 +76,4 @@ ENTRY(strlen)
.Lexit:
mov r0, r1
RET
+END(strlen)
Modified: stable/10/lib/libc/arm/string/strncmp.S
==============================================================================
--- stable/10/lib/libc/arm/string/strncmp.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/string/strncmp.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -52,3 +52,4 @@ ENTRY(strncmp)
beq 1b
sub r0, r2, r3
RET
+END(strncmp)
Modified: stable/10/lib/libc/arm/sys/Ovfork.S
==============================================================================
--- stable/10/lib/libc/arm/sys/Ovfork.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/sys/Ovfork.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -52,3 +52,4 @@ ENTRY(vfork)
sub r1, r1, #1 /* r1 == 0xffffffff if parent, 0 if child */
and r0, r0, r1 /* r0 == 0 if child, else unchanged */
mov r15, r2
+END(vfork)
Modified: stable/10/lib/libc/arm/sys/brk.S
==============================================================================
--- stable/10/lib/libc/arm/sys/brk.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/sys/brk.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -98,3 +98,4 @@ ENTRY(_brk)
.word PIC_SYM(_C_LABEL(minbrk), GOT)
.Lcurbrk:
.word PIC_SYM(CURBRK, GOT)
+END(_brk)
Modified: stable/10/lib/libc/arm/sys/cerror.S
==============================================================================
--- stable/10/lib/libc/arm/sys/cerror.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/sys/cerror.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -46,3 +46,4 @@ ASENTRY(CERROR)
mvn r0, #0x00000000
mvn r1, #0x00000000
ldmfd sp!, {r4, pc}
+END(CERROR)
Modified: stable/10/lib/libc/arm/sys/pipe.S
==============================================================================
--- stable/10/lib/libc/arm/sys/pipe.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/sys/pipe.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -48,3 +48,4 @@ ENTRY(_pipe)
str r1, [r2, #0x0004]
mov r0, #0x00000000
RET
+END(_pipe)
Modified: stable/10/lib/libc/arm/sys/ptrace.S
==============================================================================
--- stable/10/lib/libc/arm/sys/ptrace.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/sys/ptrace.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -46,3 +46,4 @@ ENTRY(ptrace)
SYSTRAP(ptrace)
bcs PIC_SYM(CERROR, PLT)
RET
+END(ptrace)
Modified: stable/10/lib/libc/arm/sys/sbrk.S
==============================================================================
--- stable/10/lib/libc/arm/sys/sbrk.S Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/lib/libc/arm/sys/sbrk.S Tue Sep 9 22:24:01 2014 (r271337)
@@ -86,3 +86,4 @@ ENTRY(_sbrk)
#endif
.Lcurbrk:
.word PIC_SYM(CURBRK, GOT)
+END(_sbrk)
Modified: stable/10/sys/arm/include/asm.h
==============================================================================
--- stable/10/sys/arm/include/asm.h Tue Sep 9 22:14:15 2014 (r271336)
+++ stable/10/sys/arm/include/asm.h Tue Sep 9 22:24:01 2014 (r271337)
@@ -53,7 +53,7 @@
# define _ALIGN_TEXT .align 0
#endif
-#ifdef __ARM_EABI__
+#if defined(__ARM_EABI__) && !defined(_STANDALONE)
#define STOP_UNWINDING .cantunwind
#define _FNSTART .fnstart
#define _FNEND .fnend
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