X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Farm%2Fkernel%2Freturn_address.c;h=2bd192668aa5962ad61665b276a752c2d2260c6c;hp=0b13a72f855dc4a6723603f937977da000d6a864;hb=eace2fc606111e8f9683246c14bedd7b9b4134d6;hpb=6288cf1e768ae73db5ddaaae54d85245cc1c2b56 diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index 0b13a72f855d..2bd192668aa5 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -8,7 +8,7 @@ * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */ -#include +#include #include #if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) @@ -26,7 +26,7 @@ static int save_return_addr(struct stackframe *frame, void *d) struct return_address_data *data = d; if (!data->level) { - data->addr = (void *)frame->lr; + data->addr = (void *)frame->pc; return 1; } else { @@ -41,7 +41,8 @@ void *return_address(unsigned int level) struct stackframe frame; register unsigned long current_sp asm ("sp"); - data.level = level + 1; + data.level = level + 2; + data.addr = NULL; frame.fp = (unsigned long)__builtin_frame_address(0); frame.sp = current_sp; @@ -56,17 +57,6 @@ void *return_address(unsigned int level) return NULL; } -#else /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) */ - -#if defined(CONFIG_ARM_UNWIND) -#warning "TODO: return_address should use unwind tables" -#endif - -void *return_address(unsigned int level) -{ - return NULL; -} - -#endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) / else */ +#endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) */ EXPORT_SYMBOL_GPL(return_address);