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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc2/] [gcc/] [testsuite/] [gcc.target/] [i386/] [cleanup-2.c] - Rev 318
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/* { dg-do run { target *-*-linux* } } */ /* { dg-require-effective-target lp64 } */ /* { dg-options "-fexceptions -fnon-call-exceptions -fasynchronous-unwind-tables -O2" } */ /* Test complex CFA value expressions. */ #include <unwind.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include <unistd.h> 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; _Unwind_ForcedUnwind (exc, force_unwind_stop, 0); abort (); } int count; static void counter (void *p __attribute__((unused))) { ++count; } static void handler (void *p __attribute__((unused))) { if (count != 2) abort (); _exit (0); } static int __attribute__((noinline)) fn5 (void) { char dummy __attribute__((cleanup (counter))); force_unwind (); return 0; } void bar (void) { char dummy __attribute__((cleanup (counter))); fn5 (); } void __attribute__((noinline)) foo (int x) { char buf[256]; #ifdef __x86_64__ __asm ( "testl %0, %0\n\t" "jnz 1f\n\t" ".subsection 1\n\t" ".type _L_mutex_lock_%=, @function\n" "_L_mutex_lock_%=:\n" "1:\t" "leaq %1, %%rdi\n" "2:\t" "subq $128, %%rsp\n" "3:\t" "call bar\n" "4:\t" "addq $128, %%rsp\n" "5:\t" "jmp 21f\n" "6:\t" ".size _L_mutex_lock_%=, .-_L_mutex_lock_%=\n\t" ".previous\n\t" ".section .eh_frame,\"a\",@progbits\n" "7:\t" ".long 9f-8f # Length of Common Information Entry\n" "8:\t" ".long 0x0 # CIE Identifier Tag\n\t" ".byte 0x1 # CIE Version\n\t" ".ascii \"zR\\0\" # CIE Augmentation\n\t" ".uleb128 0x1 # CIE Code Alignment Factor\n\t" ".sleb128 -8 # CIE Data Alignment Factor\n\t" ".byte 0x10 # CIE RA Column\n\t" ".uleb128 0x1 # Augmentation size\n\t" ".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t" ".byte 0xc # DW_CFA_def_cfa\n\t" ".uleb128 0x7\n\t" ".uleb128 0x0\n\t" ".align 8\n" "9:\t" ".long 20f-10f # FDE Length\n" "10:\t" ".long 10b-7b # FDE CIE offset\n\t" ".long 1b-. # FDE initial location\n\t" ".long 6b-1b # FDE address range\n\t" ".uleb128 0x0 # Augmentation size\n\t" /* This CFA expression computes the address right past the jnz instruction above, from %rip somewhere within the _L_mutex_lock_%= subsection. */ ".byte 0x16 # DW_CFA_val_expression\n\t" ".uleb128 0x10\n\t" ".uleb128 19f-11f\n" "11:\t" ".byte 0x80 # DW_OP_breg16\n\t" ".sleb128 0\n" "12:\t" ".byte 0x12 # DW_OP_dup\n\t" ".byte 0x94 # DW_OP_deref_size\n\t" ".byte 1\n\t" ".byte 0x12 # DW_OP_dup\n\t" ".byte 0x08 # DW_OP_const1u\n\t" ".byte 0x48\n\t" ".byte 0x2e # DW_OP_ne\n\t" ".byte 0x28 # DW_OP_bra\n\t" ".2byte 16f-13f\n" "13:\t" ".byte 0x13 # DW_OP_drop\n\t" ".byte 0x23 # DW_OP_plus_uconst\n\t" ".uleb128 1\n\t" ".byte 0x12 # DW_OP_dup\n\t" ".byte 0x94 # DW_OP_deref_size\n\t" ".byte 1\n\t" ".byte 0x08 # DW_OP_const1u\n\t" ".byte 0x81\n\t" ".byte 0x2e # DW_OP_ne\n\t" ".byte 0x28 # DW_OP_bra\n\t" ".2byte 15f-14f\n" "14:\t" ".byte 0x23 # DW_OP_plus_uconst\n\t" ".uleb128 3b-2b-1\n\t" ".byte 0x2f # DW_OP_skip\n\t" ".2byte 12b-15f\n" "15:\t" ".byte 0x23 # DW_OP_plus_uconst\n\t" ".uleb128 2b-1b-1\n\t" ".byte 0x2f # DW_OP_skip\n\t" ".2byte 12b-16f\n" "16:\t" ".byte 0x08 # DW_OP_const1u\n\t" ".byte 0xe8\n\t" ".byte 0x2e # DW_OP_ne\n\t" ".byte 0x28 # DW_OP_bra\n\t" ".2byte 18f-17f\n" "17:\t" ".byte 0x23 # DW_OP_plus_uconst\n\t" ".uleb128 4b-3b\n\t" ".byte 0x2f # DW_OP_skip\n\t" ".2byte 12b-18f\n" "18:\t" ".byte 0x23 # DW_OP_plus_uconst\n\t" ".uleb128 1\n\t" ".byte 0x12 # DW_OP_dup\n\t" ".byte 0x94 # DW_OP_deref_size\n\t" ".byte 4\n\t" ".byte 0x08 # DW_OP_const1u\n\t" ".byte 72 - (6b-5b) * 8 # (6b-5b) == 5 ? 32 : 56\n\t" ".byte 0x24 # DW_OP_shl\n\t" ".byte 0x08 # DW_OP_const1u\n\t" ".byte 72 - (6b-5b) * 8 # (6b-5b) == 5 ? 32 : 56\n\t" ".byte 0x26 # DW_OP_shra\n\t" ".byte 0x22 # DW_OP_plus\n\t" ".byte 0x23 # DW_OP_plus_uconst\n\t" ".uleb128 6b-5b-1\n" "19:\t" ".byte 0x40 + (3b-1b) # DW_CFA_advance_loc\n\t" ".byte 0xe # DW_CFA_def_cfa_offset\n\t" ".uleb128 128\n\t" ".byte 0x40 + (5b-3b) # DW_CFA_advance_loc\n\t" ".byte 0xe # DW_CFA_def_cfa_offset\n\t" ".uleb128 0\n\t" ".align 8\n" "20:\t" ".previous\n" "21:" : : "r" (x), "m" (x), "r" (buf) : "memory", "rax", "rdx", "rcx", "rsi", "rdi", "r8", "r9", "r10", "r11"); #else # error Unsupported test architecture #endif } static int __attribute__((noinline)) fn2 (void) { foo (3); return 0; } static int __attribute__((noinline)) fn1 (void) { fn2 (); return 0; } static void * fn0 (void) { char dummy __attribute__((cleanup (handler))); fn1 (); return 0; } int main (void) { fn0 (); return 0; }
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