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Code Issues Releases Activity

aarch64: Make the function pointer tables position independent

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This allows running the code on android, where 64 bit binaries with
text relocations aren't allowed to be loaded.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2014-11-12 00:00:04 +02:00
parent 2fa6d21124
commit c00365b46d
2 changed files with 26 additions and 25 deletions
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33
libavcodec/aarch64/fft_neon.S
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@ -376,7 +376,8 @@ function ff_fft_calc_neon, export=1
ld1 {v30.16b}, [x10]
mov x7, #-8
movrel x12, pmmp
ldr x3, [x3, x2, lsl #3]
ldr x4, [x3, x2, lsl #3]
add x3, x3, x4
movrel x13, mppm
movrel x14, X(ff_cos_16)
ld1 {v31.16b}, [x11]
@ -416,21 +417,21 @@ function ff_fft_permute_neon, export=1
endfunc
const fft_tab_neon
.quad fft4_neon
.quad fft8_neon
.quad fft16_neon
.quad fft32_neon
.quad fft64_neon
.quad fft128_neon
.quad fft256_neon
.quad fft512_neon
.quad fft1024_neon
.quad fft2048_neon
.quad fft4096_neon
.quad fft8192_neon
.quad fft16384_neon
.quad fft32768_neon
.quad fft65536_neon
.quad fft4_neon - fft_tab_neon
.quad fft8_neon - fft_tab_neon
.quad fft16_neon - fft_tab_neon
.quad fft32_neon - fft_tab_neon
.quad fft64_neon - fft_tab_neon
.quad fft128_neon - fft_tab_neon
.quad fft256_neon - fft_tab_neon
.quad fft512_neon - fft_tab_neon
.quad fft1024_neon - fft_tab_neon
.quad fft2048_neon - fft_tab_neon
.quad fft4096_neon - fft_tab_neon
.quad fft8192_neon - fft_tab_neon
.quad fft16384_neon - fft_tab_neon
.quad fft32768_neon - fft_tab_neon
.quad fft65536_neon - fft_tab_neon
endconst
const pmmp, align=4

18
libavcodec/aarch64/opus_imdct_neon.S
View File

@ -438,8 +438,8 @@ function fft_b15_calc_neon
uzp1 v12.4s, v4.4s, v5.4s // exp[11 - 14].re
uzp2 v13.4s, v4.4s, v5.4s // exp[11 - 14].im
zip1 v14.4s, v6.4s, v7.4s // exp[5,10].re/exp[5,10].im
add x5, x5, x3, lsl #3
ldr x5, [x5]
ldr x6, [x5, x3, lsl #3]
add x5, x5, x6
mov x10, x0
blr x5
ldp x20, x30, [sp]
@ -452,13 +452,13 @@ function fft_b15_calc_neon
endfunc
const fft_tab_neon
.quad fft15_neon
.quad fft30_neon
.quad fft60_neon
.quad fft120_neon
.quad fft240_neon
.quad fft480_neon
.quad fft960_neon
.quad fft15_neon - fft_tab_neon
.quad fft30_neon - fft_tab_neon
.quad fft60_neon - fft_tab_neon
.quad fft120_neon - fft_tab_neon
.quad fft240_neon - fft_tab_neon
.quad fft480_neon - fft_tab_neon
.quad fft960_neon - fft_tab_neon
endconst
function ff_celt_imdct_half_neon, export=1