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| author | Andrew Hsieh <andrewhsieh@google.com> | 2013-08-02 15:27:26 +0800 |
|---|---|---|
| committer | Andrew Hsieh <andrewhsieh@google.com> | 2013-08-03 13:44:25 +0800 |
| commit | e85b9ca2afe8edbb9fa99c6ce2cc4e52dce18c21 (patch) | |
| tree | f10ebaf1167a927ea23db66e92b677f99ca4eb28 /gcc-4.8 | |
| parent | 5ea1e88a7f14a78a01d95f66e388eb15908a5225 (diff) | |
| download | toolchain_gcc-e85b9ca2afe8edbb9fa99c6ce2cc4e52dce18c21.tar.gz toolchain_gcc-e85b9ca2afe8edbb9fa99c6ce2cc4e52dce18c21.tar.bz2 toolchain_gcc-e85b9ca2afe8edbb9fa99c6ce2cc4e52dce18c21.zip | |
[4.6,4.8] Add stack unwinding directives for __aeabi_idiv0 in libgcc.a
Same fix to 4.7 in 5ea1e88a7f14a78a01d95f66e388eb15908a5225
Change-Id: I1b2ce4ad72e6b2a327183703d9e49295cf2bad25
Diffstat (limited to 'gcc-4.8')
| -rw-r--r-- | gcc-4.8/libgcc/Makefile.in | 2 | ||||
| -rw-r--r-- | gcc-4.8/libgcc/config/arm/lib1funcs.S | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc-4.8/libgcc/Makefile.in b/gcc-4.8/libgcc/Makefile.in index ba1a9756c..a824e82fd 100644 --- a/gcc-4.8/libgcc/Makefile.in +++ b/gcc-4.8/libgcc/Makefile.in @@ -221,11 +221,13 @@ DECNUMINC = endif # Options to use when compiling libgcc2.a. +# Adding -funwind-tables to debug idiv0 cases for Android # LIBGCC2_DEBUG_CFLAGS = -g LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \ -fbuilding-libgcc -fno-stack-protector \ + -funwind-tables \ $(INHIBIT_LIBC_CFLAGS) # Additional options to use when compiling libgcc2.a. diff --git a/gcc-4.8/libgcc/config/arm/lib1funcs.S b/gcc-4.8/libgcc/config/arm/lib1funcs.S index 8b140d9da..685e53299 100644 --- a/gcc-4.8/libgcc/config/arm/lib1funcs.S +++ b/gcc-4.8/libgcc/config/arm/lib1funcs.S @@ -1326,10 +1326,16 @@ LSYM(Lover12): ARM_FUNC_START div0 #endif + /* ANDROID LOCAL BEGIN */ + /* Adding stack unwinding directives to debug divide-by-0 errors */ + .fnstart + .save {r1, lr} do_push {r1, lr} mov r0, #SIGFPE bl SYM(raise) __PLT__ RETLDM r1 + .fnend + /* ANDROID LOCAL END */ #ifdef __ARM_EABI__ FUNC_END aeabi_ldiv0 |