用arm-linux-gnueabihf移植MP3播放器libmad-0.15.1b的时候出现错误提示

diff --git a/package/libmad/libmad-0.15.1b-thumb2-fixed-arm.patch b/package/libmad/libmad-0.15.1b-thumb2-fixed-arm.patch new file mode 100644 index 0000000..befda48 --- /dev/null +++ b/package/libmad/libmad-0.15.1b-thumb2-fixed-arm.patch @@ -0,0 +1,40 @@ +Fixes Thumb2-related build failure + +Patch below comes from the Debian libmad package. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + +From: Dave Martin +Subject: "rsc" doesnt exist anymore in thumb2 + +diff --git a/fixed.h b/fixed.h +index 4b58abf..ba4bc26 100644 +--- a/fixed.h ++++ b/fixed.h +@@ -275,12 +275,25 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y) + : "+r" (lo), "+r" (hi) + : "%r" (x), "r" (y)) + ++#ifdef __thumb__ ++/* In Thumb-2, the RSB-immediate instruction is only allowed with a zero ++ operand. If needed this code can also support Thumb-1 ++ (simply append "s" to the end of the second two instructions). */ ++# define MAD_F_MLN(hi, lo) ++ asm ("rsbs %0, %0, #0 " ++ "sbc %1, %1, %1 " ++ "sub %1, %1, %2" ++ : "+&r" (lo), "=&r" (hi) ++ : "r" (hi) ++ : "cc") ++#else /* ! __thumb__ */ + # define MAD_F_MLN(hi, lo) + asm ("rsbs %0, %2, #0 " + "rsc %1, %3, #0" +- : "=r" (lo), "=r" (hi) ++ : "=&r" (lo), "=r" (hi) + : "0" (lo), "1" (hi) + : "cc") ++#endif /* __thumb__ */ + + # define mad_f_scale64(hi, lo) + ({ mad_fixed_t __result; diff --git a/package/libmad/libmad-0.15.1b-thumb2-imdct-arm.patch b/package/libmad/libmad-0.15.1b-thumb2-imdct-arm.patch new file mode 100644 index 0000000..414b9c8 --- /dev/null +++ b/package/libmad/libmad-0.15.1b-thumb2-imdct-arm.patch @@ -0,0 +1,20 @@ +Fixes Thumb2 related build failure + +Patch below comes from the Debian libmad package. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + +From: Konstantinos Margaritis <markos@debian.org> +Subject: use "adr" instead of "add" to make code ready for thumb2 + +--- ./imdct_l_arm.S.orig 2010-02-25 13:25:23.000000000 +0100 ++++ ./imdct_l_arm.S 2010-02-25 13:27:26.000000000 +0100 +@@ -468,7 +468,7 @@ + + @---- + +- add r2, pc, #(imdct36_long_karray-.-8) @ r2 = base address of Knn array (PIC safe ?) ++ adr r2, imdct36_long_karray + + + loop: