diff options
Diffstat (limited to 'gcc-4.9/libgcc')
| -rw-r--r-- | gcc-4.9/libgcc/Makefile.in | 2 | ||||
| -rw-r--r-- | gcc-4.9/libgcc/config/arm/lib1funcs.S | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/Makefile.in b/gcc-4.9/libgcc/Makefile.in index 7fe4aae51..06b3c884b 100644 --- a/gcc-4.9/libgcc/Makefile.in +++ b/gcc-4.9/libgcc/Makefile.in @@ -224,11 +224,13 @@ 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-4.9/libgcc/config/arm/lib1funcs.S b/gcc-4.9/libgcc/config/arm/lib1funcs.S index b617137e2..762b0ec4f 100644 --- a/gcc-4.9/libgcc/config/arm/lib1funcs.S +++ b/gcc-4.9/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 |