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| author | Ard Biesheuvel <ard.biesheuvel@gmail.com> | 2012-08-11 23:47:34 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@gmail.com> | 2012-08-11 23:47:34 +0200 |
| commit | e96d449a28f9679ca1ac22e21bd1cf1d68d2cb4f (patch) | |
| tree | 9e9da171c61aa09c11aa3e620d82a24bb5ab6fe4 | |
| parent | 25bd78d2392dbdc879ae53382cde9d019f79cf6f (diff) | |
| download | external_tremolo-e96d449a28f9679ca1ac22e21bd1cf1d68d2cb4f.zip external_tremolo-e96d449a28f9679ca1ac22e21bd1cf1d68d2cb4f.tar.gz external_tremolo-e96d449a28f9679ca1ac22e21bd1cf1d68d2cb4f.tar.bz2 | |
hardening: eliminate text relocations
Change-Id: I259aab364ae954532d7137ef54640175530fb6e2
| -rw-r--r-- | Tremolo/dpen.s | 7 | ||||
| -rw-r--r-- | Tremolo/mdctARM.s | 28 |
2 files changed, 27 insertions, 8 deletions
diff --git a/Tremolo/dpen.s b/Tremolo/dpen.s index 6123f8f..f1bda1d 100644 --- a/Tremolo/dpen.s +++ b/Tremolo/dpen.s @@ -454,7 +454,9 @@ _checksum: @ r1 = bytes STMFD r13!,{r5-r6,r14} - LDR r5,=crc_lookup + ADR r6,.Lcrc_lookup + LDR r5,[r6] + ADD r5,r6 MOV r14,#0 @ r14= crc_reg = 0 MOVS r12,r0 BEQ _cs_end @@ -487,4 +489,7 @@ _cs_end: MOV r0,r14 LDMFD r13!,{r5-r6,PC} +.Lcrc_lookup: + .WORD crc_lookup-.Lcrc_lookup + @ END diff --git a/Tremolo/mdctARM.s b/Tremolo/mdctARM.s index 775e369..5ad3aee 100644 --- a/Tremolo/mdctARM.s +++ b/Tremolo/mdctARM.s @@ -310,7 +310,9 @@ find_shift_loop: ADD r4, r1, r0, LSL #1 @ r4 = aX = in+(n>>1) ADD r14,r1, r0 @ r14= in+(n>>2) SUB r4, r4, #3*4 @ r4 = aX = in+n2-3 - LDR r5, =sincos_lookup0 @ r5 = T=sincos_lookup0 + ADRL r7, .Lsincos_lookup + LDR r5, [r7] @ r5 = T=sincos_lookup0 + ADD r5, r7 presymmetry_loop1: LDR r7, [r4,#8] @ r6 = s2 = aX[2] @@ -365,7 +367,9 @@ presymmetry_loop2: @ r2 = step @ r3 = shift STMFD r13!,{r3} - LDR r5, =sincos_lookup0 @ r5 = T=sincos_lookup0 + ADRL r4, .Lsincos_lookup + LDR r5, [r4] @ r5 = T=sincos_lookup0 + ADD r5, r4 ADD r4, r1, r0, LSL #1 @ r4 = aX = in+(n>>1) SUB r4, r4, #4*4 @ r4 = aX = in+(n>>1)-4 LDR r11,[r5,#4] @ r11= T[1] @@ -422,8 +426,10 @@ presymmetry_loop3: @ r2 = i @ r3 = shift STMFD r13!,{r0-r1} + ADRL r4, .Lsincos_lookup + LDR r5, [r4] + ADD r5, r4 RSBS r4,r3,#6 @ r4 = stages = 7-shift then --stages - LDR r5,=sincos_lookup0 BLE no_generics MOV r14,#4 @ r14= 4 (i=0) MOV r6, r14,LSL r3 @ r6 = (4<<i)<<shift @@ -1022,8 +1028,10 @@ brev_lp: @ r3 = shift CMP r2, #4 @ r5 = T = (step>=4) ? - LDRGE r5, =sincos_lookup0 @ sincos_lookup0 + - LDRLT r5, =sincos_lookup1 @ sincos_lookup0 + + ADR r7, .Lsincos_lookup @ sincos_lookup0 + + ADDLT r7, #4 @ sincos_lookup1 + LDR r5, [r7] + ADD r5, r7 ADD r7, r1, r0, LSL #1 @ r7 = w1 = x + (n>>1) ADDGE r5, r5, r2, LSL #1 @ (step>>1) ADD r8, r5, #1024*4 @ r8 = Ttop @@ -1114,8 +1122,10 @@ step7_loop2: @ step > 1 (default case) CMP r2, #4 @ r5 = T = (step>=4) ? - LDRGE r5, =sincos_lookup0 @ sincos_lookup0 + - LDRLT r5, =sincos_lookup1 @ sincos_lookup1 + ADR r7, .Lsincos_lookup @ sincos_lookup0 + + ADDLT r7, #4 @ sincos_lookup1 + LDR r5, [r7] + ADD r5, r7 ADD r7, r1, r0, LSL #1 @ r7 = iX = x + (n>>1) ADDGE r5, r5, r2, LSL #1 @ (step>>1) mdct_step8_default: @@ -1215,4 +1225,8 @@ bitrev: .byte 31 .byte 63 +.Lsincos_lookup: + .word sincos_lookup0-.Lsincos_lookup + .word sincos_lookup1-(.Lsincos_lookup+4) + @ END |