From c0eac5a86246a2c8eb4fe3177a64cfc9687cf5e0 Mon Sep 17 00:00:00 2001 From: Mark H Weaver Date: Tue, 21 Jul 2015 01:49:43 -0400 Subject: gnu: libmad: Apply fixes for ARMv7 Thumb, etc. * gnu/packages/patches/libmad-armv7-thumb-pt1.patch, gnu/packages/patches/libmad-armv7-thumb-pt2.patch, gnu/packages/patches/libmad-frame-length.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/mp3.scm (libmad)[source]: Add patches. --- gnu/packages/mp3.scm | 6 +- gnu/packages/patches/libmad-armv7-thumb-pt1.patch | 16 ++ gnu/packages/patches/libmad-armv7-thumb-pt2.patch | 36 ++++ gnu/packages/patches/libmad-frame-length.patch | 199 ++++++++++++++++++++++ 4 files changed, 256 insertions(+), 1 deletion(-) create mode 100644 gnu/packages/patches/libmad-armv7-thumb-pt1.patch create mode 100644 gnu/packages/patches/libmad-armv7-thumb-pt2.patch create mode 100644 gnu/packages/patches/libmad-frame-length.patch (limited to 'gnu') diff --git a/gnu/packages/mp3.scm b/gnu/packages/mp3.scm index 163e075f18..77eae65584 100644 --- a/gnu/packages/mp3.scm +++ b/gnu/packages/mp3.scm @@ -1,6 +1,7 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013 Andreas Enge ;;; Copyright © 2014, 2015 Ludovic Courtès +;;; Copyright © 2015 Mark H Weaver ;;; ;;; This file is part of GNU Guix. ;;; @@ -52,7 +53,10 @@ (sha256 (base32 "14460zhacxhswnzb36qfpd1f2wbk10qvksvm6wyq5hpvdgnw7ymv")) - (patches (list (search-patch "libmad-mips-newgcc.patch"))))) + (patches (map search-patch '("libmad-armv7-thumb-pt1.patch" + "libmad-armv7-thumb-pt2.patch" + "libmad-frame-length.patch" + "libmad-mips-newgcc.patch"))))) (build-system gnu-build-system) (arguments `(#:phases diff --git a/gnu/packages/patches/libmad-armv7-thumb-pt1.patch b/gnu/packages/patches/libmad-armv7-thumb-pt1.patch new file mode 100644 index 0000000000..86339ddad8 --- /dev/null +++ b/gnu/packages/patches/libmad-armv7-thumb-pt1.patch @@ -0,0 +1,16 @@ +Copied from Debian. + +From: Konstantinos Margaritis +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: diff --git a/gnu/packages/patches/libmad-armv7-thumb-pt2.patch b/gnu/packages/patches/libmad-armv7-thumb-pt2.patch new file mode 100644 index 0000000000..bb450967e6 --- /dev/null +++ b/gnu/packages/patches/libmad-armv7-thumb-pt2.patch @@ -0,0 +1,36 @@ +Copied from Debian. + +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\n\t" \ ++ "sbc %1, %1, %1\n\t" \ ++ "sub %1, %1, %2" \ ++ : "+&r" (lo), "=&r" (hi) \ ++ : "r" (hi) \ ++ : "cc") ++#else /* ! __thumb__ */ + # define MAD_F_MLN(hi, lo) \ + asm ("rsbs %0, %2, #0\n\t" \ + "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/gnu/packages/patches/libmad-frame-length.patch b/gnu/packages/patches/libmad-frame-length.patch new file mode 100644 index 0000000000..3434eba577 --- /dev/null +++ b/gnu/packages/patches/libmad-frame-length.patch @@ -0,0 +1,199 @@ +Copied from Debian. + +; You can calculate where the next frame will start depending on things +; like the bitrate. See mad_header_decode(). It seems that when decoding +; the frame you can go past that boundary. This attempts to catch those cases, +; but might not catch all of them. +; For more info see http://bugs.debian.org/508133 +Index: libmad-0.15.1b/layer12.c +=================================================================== +--- libmad-0.15.1b.orig/layer12.c 2008-12-23 21:38:07.000000000 +0100 ++++ libmad-0.15.1b/layer12.c 2008-12-23 21:38:12.000000000 +0100 +@@ -134,6 +134,12 @@ + for (sb = 0; sb < bound; ++sb) { + for (ch = 0; ch < nch; ++ch) { + nb = mad_bit_read(&stream->ptr, 4); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + if (nb == 15) { + stream->error = MAD_ERROR_BADBITALLOC; +@@ -146,6 +152,12 @@ + + for (sb = bound; sb < 32; ++sb) { + nb = mad_bit_read(&stream->ptr, 4); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + if (nb == 15) { + stream->error = MAD_ERROR_BADBITALLOC; +@@ -162,6 +174,12 @@ + for (ch = 0; ch < nch; ++ch) { + if (allocation[ch][sb]) { + scalefactor[ch][sb] = mad_bit_read(&stream->ptr, 6); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + # if defined(OPT_STRICT) + /* +@@ -187,6 +205,12 @@ + frame->sbsample[ch][s][sb] = nb ? + mad_f_mul(I_sample(&stream->ptr, nb), + sf_table[scalefactor[ch][sb]]) : 0; ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + } + } + +@@ -195,6 +219,12 @@ + mad_fixed_t sample; + + sample = I_sample(&stream->ptr, nb); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + for (ch = 0; ch < nch; ++ch) { + frame->sbsample[ch][s][sb] = +@@ -403,7 +433,15 @@ + nbal = bitalloc_table[offsets[sb]].nbal; + + for (ch = 0; ch < nch; ++ch) ++ { + allocation[ch][sb] = mad_bit_read(&stream->ptr, nbal); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } ++ } + } + + for (sb = bound; sb < sblimit; ++sb) { +@@ -411,6 +449,13 @@ + + allocation[0][sb] = + allocation[1][sb] = mad_bit_read(&stream->ptr, nbal); ++ ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + } + + /* decode scalefactor selection info */ +@@ -419,6 +464,12 @@ + for (ch = 0; ch < nch; ++ch) { + if (allocation[ch][sb]) + scfsi[ch][sb] = mad_bit_read(&stream->ptr, 2); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + } + } + +@@ -442,6 +493,12 @@ + for (ch = 0; ch < nch; ++ch) { + if (allocation[ch][sb]) { + scalefactor[ch][sb][0] = mad_bit_read(&stream->ptr, 6); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + switch (scfsi[ch][sb]) { + case 2: +@@ -452,11 +509,23 @@ + + case 0: + scalefactor[ch][sb][1] = mad_bit_read(&stream->ptr, 6); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + /* fall through */ + + case 1: + case 3: + scalefactor[ch][sb][2] = mad_bit_read(&stream->ptr, 6); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + } + + if (scfsi[ch][sb] & 1) +@@ -488,6 +557,12 @@ + index = offset_table[bitalloc_table[offsets[sb]].offset][index - 1]; + + II_samples(&stream->ptr, &qc_table[index], samples); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + for (s = 0; s < 3; ++s) { + frame->sbsample[ch][3 * gr + s][sb] = +@@ -506,6 +581,12 @@ + index = offset_table[bitalloc_table[offsets[sb]].offset][index - 1]; + + II_samples(&stream->ptr, &qc_table[index], samples); ++ if (mad_bit_nextbyte(&stream->ptr) > stream->next_frame) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + for (ch = 0; ch < nch; ++ch) { + for (s = 0; s < 3; ++s) { +Index: libmad-0.15.1b/layer3.c +=================================================================== +--- libmad-0.15.1b.orig/layer3.c 2008-12-23 21:38:07.000000000 +0100 ++++ libmad-0.15.1b/layer3.c 2008-12-23 21:38:12.000000000 +0100 +@@ -2608,6 +2608,12 @@ + next_md_begin = 0; + + md_len = si.main_data_begin + frame_space - next_md_begin; ++ if (md_len + MAD_BUFFER_GUARD > MAD_BUFFER_MDLEN) ++ { ++ stream->error = MAD_ERROR_LOSTSYNC; ++ stream->sync = 0; ++ return -1; ++ } + + frame_used = 0; + -- cgit v1.2.3