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FLAT objects cannot have multiple sections, so using the L1 attributes breaks

linking. The FDPIC relocs also break for any other format. Thus check the
compiler environment and select the appropriate sections/relocs.
patch by Mike Frysinger, vapier.adi a gmail d com

Originally committed as revision 12125 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Frysinger 2008-02-16 15:17:31 +00:00 committed by Diego Biurrun
parent 2d83fe90e3
commit e44d7c659b
6 changed files with 47 additions and 11 deletions

View File

@ -35,10 +35,14 @@ DEFUN(put_pixels_clamped,mL1,
#ifndef DEFUN
#ifndef mL1
#define mL1 .l1.text
#endif
#define mL3 .text
#ifndef mL1
#ifdef __FDPIC__
#define mL1 .l1.text
#else
#define mL1 mL3
#endif
#endif
#define DEFUN(fname,where,interface) \
.section where; \
@ -50,6 +54,11 @@ DEFUN(put_pixels_clamped,mL1,
#define DEFUN_END(fname) \
.size _ff_bfin_ ## fname, . - _ff_bfin_ ## fname
#ifdef __FDPIC__
#define RELOC(reg,got,obj) reg = [got + obj@GOT17M4]
#else
#define RELOC(reg,got,obj) reg.L = obj; reg.H = obj
#endif
#endif

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@ -173,7 +173,7 @@ static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h)
+ ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h);
}
static uint8_t vtmp_blk[256] __attribute__((l1_data_B));
static uint8_t vtmp_blk[256] attribute_l1_data_b;
static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
{

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@ -24,7 +24,13 @@
#ifndef FFMPEG_DSPUTIL_BFIN_H
#define FFMPEG_DSPUTIL_BFIN_H
#ifdef __FDPIC__
#define attribute_l1_text __attribute__ ((l1_text))
#define attribute_l1_data_b __attribute__((l1_data_B))
#else
#define attribute_l1_text
#define attribute_l1_data_b
#endif
#ifdef BFIN_PROFILE

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@ -129,23 +129,30 @@ root:/u/ffmpeg/bhead/libavcodec>
#include "config_bfin.h"
#ifdef __FDPIC__
.section .l1.data.B,"aw",@progbits
#else
.data
#endif
.align 4;
dct_coeff:
.short 0x5a82, 0x2d41, 0x187e, 0x3b21, 0x0c7c, 0x3ec5, 0x238e, 0x3537;
#ifdef __FDPIC__
.section .l1.data.A,"aw",@progbits
#endif
.align 4
vtmp: .space 128
.text
DEFUN(fdct,mL1,
(DCTELEM *block)):
[--SP] = (R7:4, P5:3); // Push the registers onto the stack.
b0 = r0;
r0 = [P3+dct_coeff@GOT17M4];
RELOC(r0, P3, dct_coeff);
b3 = r0;
r0 = [P3+vtmp@GOT17M4];
RELOC(r0, P3, vtmp);
b2 = r0;
L3 = 16; // L3 is set to 16 to make the coefficient

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@ -57,7 +57,11 @@ IDCT BFINidct: 88.3 kdct/s
#include "config_bfin.h"
#ifdef __FDPIC__
.section .l1.data.B,"aw",@progbits
#else
.data
#endif
.align 4;
coefs:
@ -72,7 +76,9 @@ coefs:
.short 0x18F9; //cos(7pi/16)
.short 0x7D8A; //cos(pi/16)
.section .l1.data.A
#ifdef __FDPIC__
.section .l1.data.A,"aw",@progbits
#endif
vtmp: .space 256
@ -81,6 +87,7 @@ vtmp: .space 256
#define TMP2 FP-16
.text
DEFUN(idct,mL1,
(DCTELEM *block)):
@ -88,8 +95,8 @@ DEFUN(idct,mL1,
link 16;
[--SP] = (R7:4, P5:3); // Push the registers onto the stack.
B0 = R0; // Pointer to Input matrix
R1 = [P3+coefs@GOT17M4]; // Pointer to Coefficients
R2 = [P3+vtmp@GOT17M4]; // Pointer to Temporary matrix
RELOC(R1, P3, coefs); // Pointer to Coefficients
RELOC(R2, P3, vtmp); // Pointer to Temporary matrix
B3 = R1;
B2 = R2;
L3 = 20; // L3 is used for making the coefficient array

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@ -30,7 +30,11 @@ Registers Used : A0, A1, R0-R7, I0-I3, B0, B2, B3, M0-M2, L0-L3, P0-P5, LC0.
#include "config_bfin.h"
#ifdef __FDPIC__
.section .l1.data.B,"aw",@progbits
#else
.data
#endif
.align 4;
coefs:
@ -45,7 +49,9 @@ coefs:
.short 0x18F9; //cos(7pi/16)
.short 0x7D8A; //cos(pi/16)
#ifdef __FDPIC__
.section .l1.data.A
#endif
vtmp: .space 256
@ -54,6 +60,7 @@ vtmp: .space 256
#define TMP2 FP-16
.text
DEFUN(vp3_idct,mL1,
(DCTELEM *block)):
@ -61,8 +68,8 @@ DEFUN(vp3_idct,mL1,
link 16;
[--SP] = (R7:4, P5:3); // Push the registers onto the stack.
B0 = R0; // Pointer to Input matrix
R1 = [P3+coefs@GOT17M4]; // Pointer to Coefficients
R2 = [P3+vtmp@GOT17M4]; // Pointer to Temporary matrix
RELOC(R1, P3, coefs); // Pointer to Coefficients
RELOC(R2, P3, vtmp); // Pointer to Temporary matrix
B3 = R1;
B2 = R2;
L3 = 20; // L3 is used for making the coefficient array