Merge commit 'f963f80399deb1a2b44c1bac3af7123e8a0c9e46'

* commit 'f963f80399deb1a2b44c1bac3af7123e8a0c9e46':
  arm: Use .data.rel.ro for const data with relocations

Conflicts:
	configure

Merged-by: Michael Niedermayer <michaelni@gmx.at>

5 files changed, 11 insertions, 4 deletions

diff --git a/configure b/configure
index 0933210..8006f3b 100755
--- a/configure
+++ b/configure
@@ -1829,6 +1829,7 @@ HAVE_LIST="
     perl
     pod2man
     sdl
+    section_data_rel_ro
     texi2html
     threads
     vdpau_x11
@@ -3990,6 +3991,7 @@ case $target_os in
         ;;
     android)
         disable symver
+        enable section_data_rel_ro
         SLIB_INSTALL_NAME='$(SLIBNAME)'
         SLIB_INSTALL_LINKS=
         # soname not set on purpose
@@ -4138,6 +4140,7 @@ case $target_os in
         ;;
     linux)
         enable dv1394
+        enable section_data_rel_ro
         ;;
     irix*)
         target_os=irix
diff --git a/libavcodec/arm/fft_fixed_neon.S b/libavcodec/arm/fft_fixed_neon.S
index 57a8cfb..2651607 100644
--- a/libavcodec/arm/fft_fixed_neon.S
+++ b/libavcodec/arm/fft_fixed_neon.S
@@ -242,7 +242,7 @@ function ff_fft_fixed_calc_neon, export=1
         bx              r3
 endfunc
 
-const   fft_fixed_tab_neon
+const   fft_fixed_tab_neon, relocate=1
         .word fft4_neon
         .word fft8_neon
         .word fft16_neon
diff --git a/libavcodec/arm/fft_neon.S b/libavcodec/arm/fft_neon.S
index 8b9ae2a..48f8dfc 100644
--- a/libavcodec/arm/fft_neon.S
+++ b/libavcodec/arm/fft_neon.S
@@ -348,7 +348,7 @@ function ff_fft_permute_neon, export=1
         pop             {r4,pc}
 endfunc
 
-const   fft_tab_neon
+const   fft_tab_neon, relocate=1
         .word fft4_neon
         .word fft8_neon
         .word fft16_neon
diff --git a/libavcodec/arm/fft_vfp.S b/libavcodec/arm/fft_vfp.S
index 27be912..ac60132 100644
--- a/libavcodec/arm/fft_vfp.S
+++ b/libavcodec/arm/fft_vfp.S
@@ -33,7 +33,7 @@ function ff_fft_calc_vfp, export=1
         movrel  a2, (fft_tab_vfp - 8)
         ldr     pc, [a2, ip, lsl #2]
 endfunc
-const fft_tab_vfp
+const   fft_tab_vfp, relocate=1
         .word   fft4_vfp
         .word   fft8_vfp
         .word   X(ff_fft16_vfp)     @ this one alone is exported
diff --git a/libavutil/arm/asm.S b/libavutil/arm/asm.S
index 35559ce..1d0e5a9 100644
--- a/libavutil/arm/asm.S
+++ b/libavutil/arm/asm.S
@@ -89,12 +89,16 @@ FUNC    .func   \name
     .endif
 .endm
 
-.macro  const   name, align=2
+.macro  const   name, align=2, relocate=0
     .macro endconst
 ELF     .size   \name, . - \name
         .purgem endconst
     .endm
+.if HAVE_SECTION_DATA_REL_RO && \relocate
+        .section        .data.rel.ro
+.else
         .section        .rodata
+.endif
         .align          \align
 \name:
 .endm