Split each symbol in lib1funcs into different .text.foo section instead of placing all of them into plain .text . This allows the linker to collect and discard unused assembler symbols.
Signed-off-by: Marek Vasut marex@denx.de Cc: Albert Aribaud albert.u.boot@aribaud.net Cc: Masahiro Yamada yamada.masahiro@socionext.com Cc: Simon Glass sjg@chromium.org Cc: Tom Rini trini@konsulko.com --- arch/arm/lib/ashldi3.S | 2 ++ arch/arm/lib/ashrdi3.S | 2 ++ arch/arm/lib/div64.S | 2 ++ arch/arm/lib/lib1funcs.S | 25 +++++++++++++++++++++++++ arch/arm/lib/lshrdi3.S | 2 ++ arch/arm/lib/muldi3.S | 2 ++ arch/arm/lib/uldivmod.S | 3 +++ 7 files changed, 38 insertions(+)
diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S index a4f5ebb..6c9ae91 100644 --- a/arch/arm/lib/ashldi3.S +++ b/arch/arm/lib/ashldi3.S @@ -17,6 +17,7 @@
ENTRY(__ashldi3) ENTRY(__aeabi_llsl) +.pushsection .text.__ashldi3, "ax"
subs r3, r2, #32 rsb ip, r2, #32 @@ -28,5 +29,6 @@ ENTRY(__aeabi_llsl) mov al, al, lsl r2 ret lr
+.popsection ENDPROC(__ashldi3) ENDPROC(__aeabi_llsl) diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S index c6e1ed3..3eb59ec 100644 --- a/arch/arm/lib/ashrdi3.S +++ b/arch/arm/lib/ashrdi3.S @@ -17,6 +17,7 @@
ENTRY(__ashrdi3) ENTRY(__aeabi_lasr) +.pushsection .text.__ashrdi3, "ax"
subs r3, r2, #32 rsb ip, r2, #32 @@ -28,5 +29,6 @@ ENTRY(__aeabi_lasr) mov ah, ah, asr r2 ret lr
+.popsection ENDPROC(__ashrdi3) ENDPROC(__aeabi_lasr) diff --git a/arch/arm/lib/div64.S b/arch/arm/lib/div64.S index a42a0f0..5bfb41d 100644 --- a/arch/arm/lib/div64.S +++ b/arch/arm/lib/div64.S @@ -47,6 +47,7 @@
ENTRY(__do_div64) UNWIND(.fnstart) +.pushsection .text.__do_div64, "ax"
@ Test for easy paths first. subs ip, r4, #1 @@ -192,6 +193,7 @@ UNWIND(.fnstart) moveq yh, xh moveq xh, #0 reteq lr +.popsection UNWIND(.fnend)
UNWIND(.fnstart) diff --git a/arch/arm/lib/lib1funcs.S b/arch/arm/lib/lib1funcs.S index 408839b..f1becda 100644 --- a/arch/arm/lib/lib1funcs.S +++ b/arch/arm/lib/lib1funcs.S @@ -196,6 +196,7 @@ ENTRY(__udivsi3) ENTRY(__aeabi_uidiv) UNWIND(.fnstart) +.pushsection .text.__udivsi3, "ax"
subs r2, r1, #1 reteq lr @@ -219,12 +220,14 @@ UNWIND(.fnstart) mov r0, r0, lsr r2 ret lr
+.popsection UNWIND(.fnend) ENDPROC(__udivsi3) ENDPROC(__aeabi_uidiv)
ENTRY(__umodsi3) UNWIND(.fnstart) +.pushsection .text.__umodsi3, "ax"
subs r2, r1, #1 @ compare divisor with 1 bcc Ldiv0 @@ -238,12 +241,14 @@ UNWIND(.fnstart)
ret lr
+.popsection UNWIND(.fnend) ENDPROC(__umodsi3)
ENTRY(__divsi3) ENTRY(__aeabi_idiv) UNWIND(.fnstart) +.pushsection .text.__divsi3, "ax"
cmp r1, #0 eor ip, r0, r1 @ save the sign of the result. @@ -280,12 +285,14 @@ UNWIND(.fnstart) rsbmi r0, r0, #0 ret lr
+.popsection UNWIND(.fnend) ENDPROC(__divsi3) ENDPROC(__aeabi_idiv)
ENTRY(__modsi3) UNWIND(.fnstart) +.pushsection .text.__modsi3, "ax"
cmp r1, #0 beq Ldiv0 @@ -305,6 +312,7 @@ UNWIND(.fnstart) rsbmi r0, r0, #0 ret lr
+.popsection UNWIND(.fnend) ENDPROC(__modsi3)
@@ -313,6 +321,7 @@ ENDPROC(__modsi3) ENTRY(__aeabi_uidivmod) UNWIND(.fnstart) UNWIND(.save {r0, r1, ip, lr} ) +.pushsection .text.__aeabi_uidivmod, "ax"
stmfd sp!, {r0, r1, ip, lr} bl __aeabi_uidiv @@ -321,12 +330,15 @@ UNWIND(.save {r0, r1, ip, lr} ) sub r1, r1, r3 ret lr
+.popsection UNWIND(.fnend) ENDPROC(__aeabi_uidivmod)
ENTRY(__aeabi_idivmod) UNWIND(.fnstart) UNWIND(.save {r0, r1, ip, lr} ) +.pushsection .text.__aeabi_uidivmod, "ax" + stmfd sp!, {r0, r1, ip, lr} bl __aeabi_idiv ldmfd sp!, {r1, r2, ip, lr} @@ -334,6 +346,7 @@ UNWIND(.save {r0, r1, ip, lr} ) sub r1, r1, r3 ret lr
+.popsection UNWIND(.fnend) ENDPROC(__aeabi_idivmod)
@@ -343,16 +356,21 @@ Ldiv0: UNWIND(.fnstart) UNWIND(.pad #4) UNWIND(.save {lr}) +.pushsection .text.Ldiv0, "ax" + str lr, [sp, #-8]! bl __div0 mov r0, #0 @ About as wrong as it could be. ldr pc, [sp], #8 + +.popsection UNWIND(.fnend) ENDPROC(Ldiv0)
/* Thumb-1 specialities */ #if defined(CONFIG_SYS_THUMB_BUILD) && !defined(CONFIG_HAS_THUMB2) ENTRY(__gnu_thumb1_case_sqi) +.pushsection .text.__gnu_thumb1_case_sqi, "ax" push {r1} mov r1, lr lsrs r1, r1, #1 @@ -362,9 +380,11 @@ ENTRY(__gnu_thumb1_case_sqi) add lr, lr, r1 pop {r1} bx lr +.popsection ENDPROC(__gnu_thumb1_case_sqi)
ENTRY(__gnu_thumb1_case_uqi) +.pushsection .text.__gnu_thumb1_case_uqi, "ax" push {r1} mov r1, lr lsrs r1, r1, #1 @@ -374,9 +394,11 @@ ENTRY(__gnu_thumb1_case_uqi) add lr, lr, r1 pop {r1} bx lr +.popsection ENDPROC(__gnu_thumb1_case_uqi)
ENTRY(__gnu_thumb1_case_shi) +.pushsection .text.__gnu_thumb1_case_shi, "ax" push {r0, r1} mov r1, lr lsrs r1, r1, #1 @@ -387,9 +409,11 @@ ENTRY(__gnu_thumb1_case_shi) add lr, lr, r1 pop {r0, r1} bx lr +.popsection ENDPROC(__gnu_thumb1_case_shi)
ENTRY(__gnu_thumb1_case_uhi) +.pushsection .text.__gnu_thumb1_case_uhi, "ax" push {r0, r1} mov r1, lr lsrs r1, r1, #1 @@ -400,5 +424,6 @@ ENTRY(__gnu_thumb1_case_uhi) add lr, lr, r1 pop {r0, r1} bx lr +.popsection ENDPROC(__gnu_thumb1_case_uhi) #endif diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S index 9c51141..f710ccb 100644 --- a/arch/arm/lib/lshrdi3.S +++ b/arch/arm/lib/lshrdi3.S @@ -17,6 +17,7 @@
ENTRY(__lshrdi3) ENTRY(__aeabi_llsr) +.pushsection .text.__lshldi3, "ax"
subs r3, r2, #32 rsb ip, r2, #32 @@ -28,5 +29,6 @@ ENTRY(__aeabi_llsr) mov ah, ah, lsr r2 ret lr
+.popsection ENDPROC(__lshrdi3) ENDPROC(__aeabi_llsr) diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S index daa5704..bc255c5 100644 --- a/arch/arm/lib/muldi3.S +++ b/arch/arm/lib/muldi3.S @@ -25,6 +25,7 @@
ENTRY(__muldi3) ENTRY(__aeabi_lmul) +.pushsection .text.__muldi3, "ax"
mul xh, yl, xh mla xh, xl, yh, xh @@ -42,5 +43,6 @@ ENTRY(__aeabi_lmul) adc xh, xh, ip, lsr #16 ret lr
+.popsection ENDPROC(__muldi3) ENDPROC(__aeabi_lmul) diff --git a/arch/arm/lib/uldivmod.S b/arch/arm/lib/uldivmod.S index 2efcd73..bbc44c6 100644 --- a/arch/arm/lib/uldivmod.S +++ b/arch/arm/lib/uldivmod.S @@ -34,6 +34,8 @@ TMP .req r8 )
ENTRY(__aeabi_uldivmod) +.pushsection .text.__aeabi_uldivmod, "ax" + stmfd sp!, {r4, r5, r6, r7, THUMB(TMP,) lr} @ Test if B == 0 orrs ip, B_0, B_1 @ Z set -> B == 0 @@ -240,4 +242,5 @@ L_div_by_0: mov R_0, #0 mov R_1, #0 ldmfd sp!, {r4, r5, r6, r7, THUMB(TMP,) pc} +.popsection ENDPROC(__aeabi_uldivmod)