Index: arm.cc =================================================================== RCS file: /cvs/src/src/gold/arm.cc,v retrieving revision 1.49 diff -u -r1.49 arm.cc --- arm.cc 9 Jan 2010 01:55:14 -0000 1.49 +++ arm.cc 13 Jan 2010 00:10:13 -0000 @@ -120,6 +120,9 @@ // R_ARM_MOVT_PREL // R_ARM_THM_MOVW_PREL_NC // R_ARM_THM_MOVT_PREL +// R_ARM_THM_JUMP6 +// R_ARM_THM_JUMP8 +// R_ARM_THM_JUMP11 // // TODOs: // - Support more relocation types as needed. @@ -2197,6 +2200,66 @@ is_weakly_undefined_without_plt); } + // R_ARM_THM_JUMP6: S + A – P + static inline typename This::Status + thm_jump6(unsigned char *view, + const Sized_relobj<32, big_endian>* object, + const Symbol_value<32>* psymval, + Arm_address address) + { + typedef typename elfcpp::Swap<16, big_endian>::Valtype Valtype; + typedef typename elfcpp::Swap<16, big_endian>::Valtype Reltype; + Valtype* wv = reinterpret_cast(view); + Valtype val = elfcpp::Swap<16, big_endian>::readval(wv); + // bit[9]:bit[7:3]:’0’ (mask: 0x02f8) + Reltype addend = (((val & 0x0200) >> 3) | ((val & 0x00f8) >> 2)); + Reltype x = (psymval->value(object, addend) - address); + val = (val & 0xfd07) | ((x & 0x0040) << 3) | ((val & 0x003e) << 2); + elfcpp::Swap<16, big_endian>::writeval(wv, val); + // CZB does only forward jumps. + return ((x > 0x007e) + ? This::STATUS_OVERFLOW + : This::STATUS_OKAY); + } + + // R_ARM_THM_JUMP8: S + A – P + static inline typename This::Status + thm_jump8(unsigned char *view, + const Sized_relobj<32, big_endian>* object, + const Symbol_value<32>* psymval, + Arm_address address) + { + typedef typename elfcpp::Swap<16, big_endian>::Valtype Valtype; + typedef typename elfcpp::Swap<16, big_endian>::Valtype Reltype; + Valtype* wv = reinterpret_cast(view); + Valtype val = elfcpp::Swap<16, big_endian>::readval(wv); + Reltype addend = utils::sign_extend<8>((val & 0x00ff) << 1); + Reltype x = (psymval->value(object, addend) - address); + elfcpp::Swap<16, big_endian>::writeval(wv, (val & 0xff00) | ((x & 0x01fe) >> 1)); + return (utils::has_overflow<8>(x) + ? This::STATUS_OVERFLOW + : This::STATUS_OKAY); + } + + // R_ARM_THM_JUMP11: S + A – P + static inline typename This::Status + thm_jump11(unsigned char *view, + const Sized_relobj<32, big_endian>* object, + const Symbol_value<32>* psymval, + Arm_address address) + { + typedef typename elfcpp::Swap<16, big_endian>::Valtype Valtype; + typedef typename elfcpp::Swap<16, big_endian>::Valtype Reltype; + Valtype* wv = reinterpret_cast(view); + Valtype val = elfcpp::Swap<16, big_endian>::readval(wv); + Reltype addend = utils::sign_extend<11>((val & 0x07ff) << 1); + Reltype x = (psymval->value(object, addend) - address); + elfcpp::Swap<16, big_endian>::writeval(wv, (val & 0xf800) | ((x & 0x0ffe) >> 1)); + return (utils::has_overflow<11>(x) + ? This::STATUS_OVERFLOW + : This::STATUS_OKAY); + } + // R_ARM_BASE_PREL: B(S) + A - P static inline typename This::Status base_prel(unsigned char* view, @@ -4679,6 +4762,9 @@ case elfcpp::R_ARM_MOVT_PREL: case elfcpp::R_ARM_THM_MOVW_PREL_NC: case elfcpp::R_ARM_THM_MOVT_PREL: + case elfcpp::R_ARM_THM_JUMP6: + case elfcpp::R_ARM_THM_JUMP8: + case elfcpp::R_ARM_THM_JUMP11: break; case elfcpp::R_ARM_GOTOFF32: @@ -4807,6 +4894,9 @@ case elfcpp::R_ARM_MOVT_PREL: case elfcpp::R_ARM_THM_MOVW_PREL_NC: case elfcpp::R_ARM_THM_MOVT_PREL: + case elfcpp::R_ARM_THM_JUMP6: + case elfcpp::R_ARM_THM_JUMP8: + case elfcpp::R_ARM_THM_JUMP11: break; case elfcpp::R_ARM_THM_ABS5: @@ -5519,6 +5609,21 @@ is_weakly_undefined_without_plt); break; + case elfcpp::R_ARM_THM_JUMP6: + reloc_status = + Arm_relocate_functions::thm_jump6(view, object, psymval, address); + break; + + case elfcpp::R_ARM_THM_JUMP8: + reloc_status = + Arm_relocate_functions::thm_jump8(view, object, psymval, address); + break; + + case elfcpp::R_ARM_THM_JUMP11: + reloc_status = + Arm_relocate_functions::thm_jump11(view, object, psymval, address); + break; + case elfcpp::R_ARM_PREL31: reloc_status = Arm_relocate_functions::prel31(view, object, psymval, address, thumb_bit); @@ -5645,6 +5750,9 @@ case elfcpp::R_ARM_ABS16: case elfcpp::R_ARM_THM_ABS5: + case elfcpp::R_ARM_THM_JUMP6: + case elfcpp::R_ARM_THM_JUMP8: + case elfcpp::R_ARM_THM_JUMP11: return 2; case elfcpp::R_ARM_ABS32: