diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9b854623228579a79ea3b616d6b4f57aada3f546..c9ec51257f05f4cb672bbc44d5ef9a68b666b83c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-10-19 Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2.c (execute_stack_op): Fix operand order for + DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt. + 2009-10-19 Eric Botcazou <ebotcazou@adacore.com> * gimple-low.c (struct lower_data): Add cannot_fallthru field. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6490c97a5598db29702251cd5c44deeedd107902..750e1a4dd1decb50421b895221a06f081cbaff74 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2009-10-13 Jakub Jelinek <jakub@redhat.com> + + * gcc.dg/cleanup-13.c: New test. + 2009-10-19 Janus Weil <janus@gcc.gnu.org> PR fortran/41586 diff --git a/gcc/testsuite/gcc.dg/cleanup-13.c b/gcc/testsuite/gcc.dg/cleanup-13.c new file mode 100644 index 0000000000000000000000000000000000000000..0a5a9e9153e020a472801c4b68fb740a96196c0e --- /dev/null +++ b/gcc/testsuite/gcc.dg/cleanup-13.c @@ -0,0 +1,319 @@ +/* HP-UX libunwind.so doesn't provide _UA_END_OF_STACK */ +/* { dg-do run } */ +/* { dg-options "-fexceptions" } */ +/* { dg-skip-if "" { "ia64-*-hpux11.*" } { "*" } { "" } } */ +/* Verify DW_OP_* handling in the unwinder. */ + +#include <unwind.h> +#include <stdlib.h> +#include <string.h> + +/* #define OP_addr(x) 0x06, ... */ +#define OP_deref 0x06, +#define SLEB128(x) (x)&0x7f /* Assume here the value is -0x40 ... 0x3f. */ +#define ULEB128(x) (x)&0x7f /* Assume here the value is 0 ... 0x7f. */ +#define VAL1(x) (x)&0xff +#if defined (__BIG_ENDIAN__) +#define VAL2(x) ((x)>>8)&0xff,(x)&0xff +#define VAL4(x) ((x)>>24)&0xff,((x)>>16)&0xff,((x)>>8)&0xff,(x)&0xff +#define VAL8(x) ((x)>>56)&0xff,((x)>>48)&0xff,((x)>>40)&0xff,((x)>>32)&0xff,((x)>>24)&0xff,((x)>>16)&0xff,((x)>>8)&0xff,(x)&0xff +#elif defined(__LITTLE_ENDIAN__) || defined(__x86_64__) || defined(__i386__) +#define VAL2(x) (x)&0xff,((x)>>8)&0xff +#define VAL4(x) (x)&0xff,((x)>>8)&0xff,((x)>>16)&0xff,((x)>>24)&0xff +#define VAL8(x) (x)&0xff,((x)>>8)&0xff,((x)>>16)&0xff,((x)>>24)&0xff,((x)>>32)&0xff,((x)>>40)&0xff,((x)>>48)&0xff,((x)>>56)&0xff +#endif +#define OP_const1u(x) 0x08,VAL1(x), +#define OP_const1s(x) 0x09,VAL1(x), +#define OP_const2u(x) 0x0a,VAL2(x), +#define OP_const2s(x) 0x0b,VAL2(x), +#define OP_const4u(x) 0x0c,VAL4(x), +#define OP_const4s(x) 0x0d,VAL4(x), +#define OP_const8u(x) 0x0e,VAL8(x), +#define OP_const8s(x) 0x0f,VAL8(x), +#define OP_constu(x) 0x10,ULEB128(x), +#define OP_consts(x) 0x11,SLEB128(x), +#define OP_dup 0x12, +#define OP_drop 0x13, +#define OP_over 0x14, +#define OP_pick(x) 0x15,VAL1(x), +#define OP_swap 0x16, +#define OP_rot 0x17, +#define OP_xderef 0x18, +#define OP_abs 0x19, +#define OP_and 0x1a, +#define OP_div 0x1b, +#define OP_minus 0x1c, +#define OP_mod 0x1d, +#define OP_mul 0x1e, +#define OP_neg 0x1f, +#define OP_not 0x20, +#define OP_or 0x21, +#define OP_plus 0x22, +#define OP_plus_uconst(x) 0x23,ULEB128(x), +#define OP_shl 0x24, +#define OP_shr 0x25, +#define OP_shra 0x26, +#define OP_xor 0x27, +#define OP_bra(x) 0x28,VAL2(x), +#define OP_eq 0x29, +#define OP_ge 0x2a, +#define OP_gt 0x2b, +#define OP_le 0x2c, +#define OP_lt 0x2d, +#define OP_ne 0x2e, +#define OP_skip(x) 0x2f,VAL2(x), +#define OP_lit0 0x30, +#define OP_lit1 0x31, +#define OP_lit2 0x32, +#define OP_lit3 0x33, +#define OP_lit4 0x34, +#define OP_lit5 0x35, +#define OP_lit6 0x36, +#define OP_lit7 0x37, +#define OP_lit8 0x38, +#define OP_lit9 0x39, +#define OP_lit10 0x3a, +#define OP_lit11 0x3b, +#define OP_lit12 0x3c, +#define OP_lit13 0x3d, +#define OP_lit14 0x3e, +#define OP_lit15 0x3f, +#define OP_lit16 0x40, +#define OP_lit17 0x41, +#define OP_lit18 0x42, +#define OP_lit19 0x43, +#define OP_lit20 0x44, +#define OP_lit21 0x45, +#define OP_lit22 0x46, +#define OP_lit23 0x47, +#define OP_lit24 0x48, +#define OP_lit25 0x49, +#define OP_lit26 0x4a, +#define OP_lit27 0x4b, +#define OP_lit28 0x4c, +#define OP_lit29 0x4d, +#define OP_lit30 0x4e, +#define OP_lit31 0x4f, +#define OP_reg0 0x50, +#define OP_reg1 0x51, +#define OP_reg2 0x52, +#define OP_reg3 0x53, +#define OP_reg4 0x54, +#define OP_reg5 0x55, +#define OP_reg6 0x56, +#define OP_reg7 0x57, +#define OP_reg8 0x58, +#define OP_reg9 0x59, +#define OP_reg10 0x5a, +#define OP_reg11 0x5b, +#define OP_reg12 0x5c, +#define OP_reg13 0x5d, +#define OP_reg14 0x5e, +#define OP_reg15 0x5f, +#define OP_reg16 0x60, +#define OP_reg17 0x61, +#define OP_reg18 0x62, +#define OP_reg19 0x63, +#define OP_reg20 0x64, +#define OP_reg21 0x65, +#define OP_reg22 0x66, +#define OP_reg23 0x67, +#define OP_reg24 0x68, +#define OP_reg25 0x69, +#define OP_reg26 0x6a, +#define OP_reg27 0x6b, +#define OP_reg28 0x6c, +#define OP_reg29 0x6d, +#define OP_reg30 0x6e, +#define OP_reg31 0x6f, +#define OP_breg0(x) 0x70,SLEB128(x), +#define OP_breg1(x) 0x71,SLEB128(x), +#define OP_breg2(x) 0x72,SLEB128(x), +#define OP_breg3(x) 0x73,SLEB128(x), +#define OP_breg4(x) 0x74,SLEB128(x), +#define OP_breg5(x) 0x75,SLEB128(x), +#define OP_breg6(x) 0x76,SLEB128(x), +#define OP_breg7(x) 0x77,SLEB128(x), +#define OP_breg8(x) 0x78,SLEB128(x), +#define OP_breg9(x) 0x79,SLEB128(x), +#define OP_breg10(x) 0x7a,SLEB128(x), +#define OP_breg11(x) 0x7b,SLEB128(x), +#define OP_breg12(x) 0x7c,SLEB128(x), +#define OP_breg13(x) 0x7d,SLEB128(x), +#define OP_breg14(x) 0x7e,SLEB128(x), +#define OP_breg15(x) 0x7f,SLEB128(x), +#define OP_breg16(x) 0x80,SLEB128(x), +#define OP_breg17(x) 0x81,SLEB128(x), +#define OP_breg18(x) 0x82,SLEB128(x), +#define OP_breg19(x) 0x83,SLEB128(x), +#define OP_breg20(x) 0x84,SLEB128(x), +#define OP_breg21(x) 0x85,SLEB128(x), +#define OP_breg22(x) 0x86,SLEB128(x), +#define OP_breg23(x) 0x87,SLEB128(x), +#define OP_breg24(x) 0x88,SLEB128(x), +#define OP_breg25(x) 0x89,SLEB128(x), +#define OP_breg26(x) 0x8a,SLEB128(x), +#define OP_breg27(x) 0x8b,SLEB128(x), +#define OP_breg28(x) 0x8c,SLEB128(x), +#define OP_breg29(x) 0x8d,SLEB128(x), +#define OP_breg30(x) 0x8e,SLEB128(x), +#define OP_breg31(x) 0x8f,SLEB128(x), +#define OP_regx(x) 0x90,SLEB128(x), +#define OP_fbreg(x) 0x91,SLEB128(x), +#define OP_bregx(x,y) 0x92,ULEB128(x),SLEB128(y), +#define OP_piece(x) 0x93,ULEB128(x), +#define OP_deref_size(x) 0x94,VAL1(x), +#define OP_xderef_size(x) 0x95,VAL1(x), +#define OP_nop 0x96, +#define OP_nop_termination 0x96 +#define OP_push_object_address 0x97, +#define OP_call2(x) 0x98,VAL2(x), +#define OP_call4(x) 0x99,VAL4(x), +/* #define OP_call_ref(x) 0x9a,... */ +#define OP_form_tls_address(x) 0x9b, +#define OP_call_frame_cfa 0x9c, +#define OP_bit_piece(x) 0x9d,ULEB128(x), +/* #define OP_implicit_value(x...) 0x9e,... */ +#define OP_stack_value 0x9f, +#define OP_GNU_push_tls_address 0xe0, +/* #define OP_GNU_encoded_addr(x...) 0xf1, */ + +#define ASSERT_TOS_NON0 OP_bra(3) OP_skip(-3) +#define ASSERT_TOS_0 OP_lit0 OP_eq ASSERT_TOS_NON0 + +/* Initially there is CFA value on the stack, we want to + keep it there at the end. */ +#define CFI_PROGRAM \ +OP_lit0 OP_nop ASSERT_TOS_0 \ +OP_lit1 ASSERT_TOS_NON0 \ +OP_lit1 OP_const1u(1) OP_eq ASSERT_TOS_NON0 \ +OP_lit16 OP_const2u(16) OP_eq ASSERT_TOS_NON0 \ +OP_lit31 OP_const4u(31) OP_ne ASSERT_TOS_0 \ +OP_lit1 OP_neg OP_const1s(-1) OP_eq ASSERT_TOS_NON0 \ +OP_lit16 OP_neg OP_const2s(-16) OP_ne ASSERT_TOS_0 \ +OP_lit31 OP_const4s(-31) OP_neg OP_ne ASSERT_TOS_0 \ +OP_lit7 OP_dup OP_plus_uconst(2) OP_lit9 OP_eq ASSERT_TOS_NON0 \ + OP_lit7 OP_eq ASSERT_TOS_NON0 \ +OP_lit20 OP_lit1 OP_drop OP_lit20 OP_eq ASSERT_TOS_NON0 \ +OP_lit17 OP_lit19 OP_over OP_lit17 OP_eq ASSERT_TOS_NON0 \ + OP_lit19 OP_eq ASSERT_TOS_NON0 OP_lit17 OP_eq ASSERT_TOS_NON0 \ +OP_lit1 OP_lit2 OP_lit3 OP_lit4 OP_pick(2) OP_lit2 OP_eq ASSERT_TOS_NON0\ + OP_lit4 OP_eq ASSERT_TOS_NON0 OP_lit3 OP_eq ASSERT_TOS_NON0 \ + OP_pick(0) OP_lit2 OP_eq ASSERT_TOS_NON0 \ + OP_lit2 OP_eq ASSERT_TOS_NON0 OP_lit1 OP_eq ASSERT_TOS_NON0 \ +OP_lit6 OP_lit12 OP_swap OP_lit6 OP_eq ASSERT_TOS_NON0 \ + OP_lit12 OP_eq ASSERT_TOS_NON0 \ +OP_lit7 OP_lit8 OP_lit9 OP_rot OP_lit8 OP_eq ASSERT_TOS_NON0 \ + OP_lit7 OP_eq ASSERT_TOS_NON0 OP_lit9 OP_eq ASSERT_TOS_NON0 \ +OP_lit7 OP_abs OP_lit7 OP_eq ASSERT_TOS_NON0 \ +OP_const1s(-123) OP_abs OP_const1u(123) OP_eq ASSERT_TOS_NON0 \ +OP_lit3 OP_lit6 OP_and OP_lit2 OP_eq ASSERT_TOS_NON0 \ +OP_lit3 OP_lit6 OP_or OP_lit7 OP_eq ASSERT_TOS_NON0 \ +OP_lit17 OP_lit2 OP_minus OP_lit15 OP_eq ASSERT_TOS_NON0 \ +OP_const1s(-6) OP_const1s(-2) OP_div OP_lit3 OP_eq ASSERT_TOS_NON0 \ +OP_const1s(-6) OP_const1s(-4) OP_mod OP_const1s(-2) \ + OP_eq ASSERT_TOS_NON0 \ +OP_lit16 OP_lit31 OP_plus_uconst(1) OP_mul OP_const2u(512) \ + OP_eq ASSERT_TOS_NON0 \ +OP_lit5 OP_not OP_lit31 OP_and OP_lit26 OP_eq ASSERT_TOS_NON0 \ +OP_lit12 OP_lit31 OP_plus OP_const1u(43) OP_eq ASSERT_TOS_NON0 \ +OP_const1s(-6) OP_lit2 OP_plus OP_const1s(-4) OP_eq ASSERT_TOS_NON0 \ +OP_const1s(-6) OP_plus_uconst(3) OP_const1s(-3) OP_eq ASSERT_TOS_NON0 \ +OP_lit16 OP_lit4 OP_shl OP_const2u(256) OP_eq ASSERT_TOS_NON0 \ +OP_lit16 OP_lit3 OP_shr OP_lit2 OP_eq ASSERT_TOS_NON0 \ +OP_const1s(-16) OP_lit3 OP_shra OP_const1s(-2) OP_eq ASSERT_TOS_NON0 \ +OP_lit3 OP_lit6 OP_xor OP_lit5 OP_eq ASSERT_TOS_NON0 \ +OP_lit3 OP_lit6 OP_le ASSERT_TOS_NON0 \ +OP_lit3 OP_lit3 OP_le ASSERT_TOS_NON0 \ +OP_lit6 OP_lit3 OP_le ASSERT_TOS_0 \ +OP_lit3 OP_lit6 OP_lt ASSERT_TOS_NON0 \ +OP_lit3 OP_lit3 OP_lt ASSERT_TOS_0 \ +OP_lit6 OP_lit3 OP_lt ASSERT_TOS_0 \ +OP_lit3 OP_lit6 OP_ge ASSERT_TOS_0 \ +OP_lit3 OP_lit3 OP_ge ASSERT_TOS_NON0 \ +OP_lit6 OP_lit3 OP_ge ASSERT_TOS_NON0 \ +OP_lit3 OP_lit6 OP_gt ASSERT_TOS_0 \ +OP_lit3 OP_lit3 OP_gt ASSERT_TOS_0 \ +OP_lit6 OP_lit3 OP_gt ASSERT_TOS_NON0 \ +OP_const1s(-6) OP_lit1 OP_shr OP_lit0 OP_gt ASSERT_TOS_NON0 \ +OP_const1s(-6) OP_lit1 OP_shra OP_lit0 OP_lt ASSERT_TOS_NON0 + +#define CFI_ESCAPE_VAL_2(VALUES...) #VALUES +#define CFI_ESCAPE_VAL_1(VALUES...) CFI_ESCAPE_VAL_2(VALUES) +#define CFI_ESCAPE_VAL(VALUES...) CFI_ESCAPE_VAL_1(VALUES) +#define CFI_ESCAPE do { } while (0) +#define CFI_ARCH_PROGRAM OP_nop_termination +#ifdef __GCC_HAVE_DWARF2_CFI_ASM +#if defined (__x86_64__) +#undef CFI_ESCAPE +#undef CFI_ARCH_PROGRAM +#define CFI_ARCH_PROGRAM CFI_PROGRAM OP_lit8 OP_minus OP_nop_termination +unsigned char cfi_arch_program[] = { CFI_ARCH_PROGRAM }; +extern char verify_it[sizeof (cfi_arch_program) - 0x80 < 0x3f80 ? 1 : -1]; +/* DW_CFA_expression %rip, uleb128(l2-l1), l1: program DW_OP_lit8 DW_OP_minus DW_OP_nop l2: */ +#define CFI_ESCAPE \ + asm volatile (".cfi_escape 0x10, 0x10, (%P0&0x7f)+0x80, %P0>>7, " \ + CFI_ESCAPE_VAL (CFI_ARCH_PROGRAM) \ + : : "i" (sizeof (cfi_arch_program))) +#elif defined (__i386__) +#undef CFI_ESCAPE +#undef CFI_ARCH_PROGRAM +#define CFI_ARCH_PROGRAM CFI_PROGRAM OP_lit4 OP_minus OP_nop_termination +unsigned char cfi_arch_program[] = { CFI_ARCH_PROGRAM }; +extern char verify_it[sizeof (cfi_arch_program) - 0x80 < 0x3f80 ? 1 : -1]; +/* DW_CFA_expression %eip, uleb128(l2-l1), l1: program DW_OP_lit4 DW_OP_minus DW_OP_nop l2: */ +#define CFI_ESCAPE \ + asm volatile (".cfi_escape 0x10, 8, (%P0&0x7f)+0x80, %P0>>7, " \ + CFI_ESCAPE_VAL (CFI_ARCH_PROGRAM) \ + : : "i" (sizeof (cfi_arch_program))) +#endif +#endif +static _Unwind_Reason_Code +force_unwind_stop (int version, _Unwind_Action actions, + _Unwind_Exception_Class exc_class, + struct _Unwind_Exception *exc_obj, + struct _Unwind_Context *context, + void *stop_parameter) +{ + if (actions & _UA_END_OF_STACK) + abort (); + return _URC_NO_REASON; +} + +static void force_unwind () +{ + struct _Unwind_Exception *exc = malloc (sizeof (*exc)); + memset (&exc->exception_class, 0, sizeof (exc->exception_class)); + exc->exception_cleanup = 0; + +#ifndef __USING_SJLJ_EXCEPTIONS__ + _Unwind_ForcedUnwind (exc, force_unwind_stop, 0); +#else + _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0); +#endif + + abort (); +} + +static void handler (void *p __attribute__((unused))) +{ + exit (0); +} + +__attribute__((noinline)) static void callme () +{ + CFI_ESCAPE; + force_unwind (); +} + +__attribute__((noinline)) static void doit () +{ + char dummy __attribute__((cleanup (handler))); + callme (); +} + +int main() +{ + doit (); + abort (); +} diff --git a/gcc/unwind-dw2.c b/gcc/unwind-dw2.c index a86c21b7129b1a0a8ff00c3b8de973512cc7799f..82958b0086ac40bc35cbb2d259cf62a68050394c 100644 --- a/gcc/unwind-dw2.c +++ b/gcc/unwind-dw2.c @@ -789,22 +789,22 @@ execute_stack_op (const unsigned char *op_ptr, const unsigned char *op_end, result = second ^ first; break; case DW_OP_le: - result = (_Unwind_Sword) first <= (_Unwind_Sword) second; + result = (_Unwind_Sword) second <= (_Unwind_Sword) first; break; case DW_OP_ge: - result = (_Unwind_Sword) first >= (_Unwind_Sword) second; + result = (_Unwind_Sword) second >= (_Unwind_Sword) first; break; case DW_OP_eq: - result = (_Unwind_Sword) first == (_Unwind_Sword) second; + result = (_Unwind_Sword) second == (_Unwind_Sword) first; break; case DW_OP_lt: - result = (_Unwind_Sword) first < (_Unwind_Sword) second; + result = (_Unwind_Sword) second < (_Unwind_Sword) first; break; case DW_OP_gt: - result = (_Unwind_Sword) first > (_Unwind_Sword) second; + result = (_Unwind_Sword) second > (_Unwind_Sword) first; break; case DW_OP_ne: - result = (_Unwind_Sword) first != (_Unwind_Sword) second; + result = (_Unwind_Sword) second != (_Unwind_Sword) first; break; default: