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/* { dg-do run { target i?86-*-linux* x86_64-*-linux* } } */
/* { 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 __i386__
  __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"  "leal   %1, %%ecx\n"
"2:\t"  "call   bar\n"
"3:\t"  "jmp    18f\n"
"4:\t"  ".size _L_mutex_lock_%=, .-_L_mutex_lock_%=\n\t"
        ".previous\n\t"
        ".section       .eh_frame,\"a\",@progbits\n"
"5:\t"  ".long  7f-6f   # Length of Common Information Entry\n"
"6:\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 -4    # CIE Data Alignment Factor\n\t"
        ".byte  0x8     # 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 0x4\n\t"
        ".uleb128 0x0\n\t"
        ".align 4\n"
"7:\t"  ".long  17f-8f  # FDE Length\n"
"8:\t"  ".long  8b-5b   # FDE CIE offset\n\t"
        ".long  1b-.    # FDE initial location\n\t"
        ".long  4b-1b   # FDE address range\n\t"
        ".uleb128 0x0   # Augmentation size\n\t"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x8\n\t"
        ".uleb128 10f-9f\n"
"9:\t"  ".byte  0x78    # DW_OP_breg8\n\t"
        ".sleb128 3b-1b\n"
"10:\t" ".byte  0x40 + (2b-1b) # DW_CFA_advance_loc\n\t"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x8\n\t"
        ".uleb128 12f-11f\n"
"11:\t" ".byte  0x78    # DW_OP_breg8\n\t"
        ".sleb128 3b-2b\n"
"12:\t" ".byte  0x40 + (3b-2b-1) # DW_CFA_advance_loc\n\t"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x8\n\t"
        ".uleb128 16f-13f\n"
"13:\t" ".byte  0x78    # DW_OP_breg8\n\t"
        ".sleb128 15f-14f\n\t"
        ".byte  0x0d    # DW_OP_const4s\n"
"14:\t" ".4byte 3b-.\n\t"
        ".byte  0x1c    # DW_OP_minus\n\t"
        ".byte  0x0d    # DW_OP_const4s\n"
"15:\t" ".4byte 18f-.\n\t"
        ".byte  0x22    # DW_OP_plus\n"
"16:\t" ".align 4\n"
"17:\t" ".previous\n"
"18:"
        : : "r" (x), "m" (x), "r" (buf)
        : "memory", "eax", "edx", "ecx");
#elif defined __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    24f\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  0x12    # DW_CFA_def_cfa_sf\n\t"
        ".uleb128 0x7\n\t"
        ".sleb128 16\n\t"
        ".align 8\n"
"9:\t"  ".long  23f-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"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x10\n\t"
        ".uleb128 12f-11f\n"
"11:\t" ".byte  0x80    # DW_OP_breg16\n\t"
        ".sleb128 4b-1b\n"
"12:\t" ".byte  0x40 + (2b-1b) # DW_CFA_advance_loc\n\t"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x10\n\t"
        ".uleb128 14f-13f\n"
"13:\t" ".byte  0x80    # DW_OP_breg16\n\t"
        ".sleb128 4b-2b\n"
"14:\t" ".byte  0x40 + (3b-2b) # DW_CFA_advance_loc\n\t"
        ".byte  0x0e    # DW_CFA_def_cfa_offset\n\t"
        ".uleb128 0\n\t"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x10\n\t"
        ".uleb128 16f-15f\n"
"15:\t" ".byte  0x80    # DW_OP_breg16\n\t"
        ".sleb128 4b-3b\n"
"16:\t" ".byte  0x40 + (4b-3b-1) # DW_CFA_advance_loc\n\t"
        ".byte  0x0e    # DW_CFA_def_cfa_offset\n\t"
        ".uleb128 128\n\t"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x10\n\t"
        ".uleb128 20f-17f\n"
"17:\t" ".byte  0x80    # DW_OP_breg16\n\t"
        ".sleb128 19f-18f\n\t"
        ".byte  0x0d    # DW_OP_const4s\n"
"18:\t" ".4byte 4b-.\n\t"
        ".byte  0x1c    # DW_OP_minus\n\t"
        ".byte  0x0d    # DW_OP_const4s\n"
"19:\t" ".4byte 24f-.\n\t"
        ".byte  0x22    # DW_OP_plus\n"
"20:\t" ".byte  0x40 + (5b-4b+1) # DW_CFA_advance_loc\n\t"
        ".byte  0x13    # DW_CFA_def_cfa_offset_sf\n\t"
        ".sleb128 16\n\t"
        ".byte  0x16    # DW_CFA_val_expression\n\t"
        ".uleb128 0x10\n\t"
        ".uleb128 22f-21f\n"
"21:\t" ".byte  0x80    # DW_OP_breg16\n\t"
        ".sleb128 4b-5b\n"
"22:\t" ".align 8\n"
"23:\t" ".previous\n"
"24:"
        : : "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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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.target/] [i386/] [cleanup-1.c] - Blame information for rev 149

Line No.	Rev	Author	Line
1	149	jeremybenn	`/* { dg-do run { target i?86--linux x86_64--linux } } */`
2			`/* { dg-options "-fexceptions -fnon-call-exceptions -fasynchronous-unwind-tables -O2" } */`
3			`/* Test complex CFA value expressions. */`
4
5			`#include <unwind.h>`
6			`#include <stdlib.h>`
7			`#include <string.h>`
8			`#include <stdio.h>`
9			`#include <unistd.h>`
10
11			`static _Unwind_Reason_Code`
12			`force_unwind_stop (int version, _Unwind_Action actions,`
13			`_Unwind_Exception_Class exc_class,`
14			`struct _Unwind_Exception *exc_obj,`
15			`struct _Unwind_Context *context,`
16			`void *stop_parameter)`
17			`{`
18			`if (actions & _UA_END_OF_STACK)`
19			`abort ();`
20			`return _URC_NO_REASON;`
21			`}`
22
23			`static void`
24			`force_unwind ()`
25			`{`
26			`struct _Unwind_Exception exc = malloc (sizeof (exc));`
27			`memset (&exc->exception_class, 0, sizeof (exc->exception_class));`
28			`exc->exception_cleanup = 0;`
29
30			`_Unwind_ForcedUnwind (exc, force_unwind_stop, 0);`
31			`abort ();`
32			`}`
33
34			`int count;`
35
36			`static void`
37			`counter (void *p __attribute__((unused)))`
38			`{`
39			`++count;`
40			`}`
41
42			`static void`
43			`handler (void *p __attribute__((unused)))`
44			`{`
45			`if (count != 2)`
46			`abort ();`
47			`_exit (0);`
48			`}`
49
50			`static int __attribute__((noinline))`
51			`fn5 (void)`
52			`{`
53			`char dummy __attribute__((cleanup (counter)));`
54			`force_unwind ();`
55			`return 0;`
56			`}`
57
58			`void`
59			`bar (void)`
60			`{`
61			`char dummy __attribute__((cleanup (counter)));`
62			`fn5 ();`
63			`}`
64
65			`void __attribute__((noinline))`
66			`foo (int x)`
67			`{`
68			`char buf[256];`
69			`#ifdef __i386__`
70			`__asm (`
71			`"testl %0, %0\n\t"`
72			`"jnz 1f\n\t"`
73			`".subsection 1\n\t"`
74			`".type _L_mutex_lock_%=, @function\n"`
75			`"_L_mutex_lock_%=:\n"`
76			`"1:\t" "leal %1, %%ecx\n"`
77			`"2:\t" "call bar\n"`
78			`"3:\t" "jmp 18f\n"`
79			`"4:\t" ".size _L_mutex_lock_%=, .-_L_mutex_lock_%=\n\t"`
80			`".previous\n\t"`
81			`".section .eh_frame,\"a\",@progbits\n"`
82			`"5:\t" ".long 7f-6f # Length of Common Information Entry\n"`
83			`"6:\t" ".long 0x0 # CIE Identifier Tag\n\t"`
84			`".byte 0x1 # CIE Version\n\t"`
85			`".ascii \"zR\\0\" # CIE Augmentation\n\t"`
86			`".uleb128 0x1 # CIE Code Alignment Factor\n\t"`
87			`".sleb128 -4 # CIE Data Alignment Factor\n\t"`
88			`".byte 0x8 # CIE RA Column\n\t"`
89			`".uleb128 0x1 # Augmentation size\n\t"`
90			`".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t"`
91			`".byte 0xc # DW_CFA_def_cfa\n\t"`
92			`".uleb128 0x4\n\t"`
93			`".uleb128 0x0\n\t"`
94			`".align 4\n"`
95			`"7:\t" ".long 17f-8f # FDE Length\n"`
96			`"8:\t" ".long 8b-5b # FDE CIE offset\n\t"`
97			`".long 1b-. # FDE initial location\n\t"`
98			`".long 4b-1b # FDE address range\n\t"`
99			`".uleb128 0x0 # Augmentation size\n\t"`
100			`".byte 0x16 # DW_CFA_val_expression\n\t"`
101			`".uleb128 0x8\n\t"`
102			`".uleb128 10f-9f\n"`
103			`"9:\t" ".byte 0x78 # DW_OP_breg8\n\t"`
104			`".sleb128 3b-1b\n"`
105			`"10:\t" ".byte 0x40 + (2b-1b) # DW_CFA_advance_loc\n\t"`
106			`".byte 0x16 # DW_CFA_val_expression\n\t"`
107			`".uleb128 0x8\n\t"`
108			`".uleb128 12f-11f\n"`
109			`"11:\t" ".byte 0x78 # DW_OP_breg8\n\t"`
110			`".sleb128 3b-2b\n"`
111			`"12:\t" ".byte 0x40 + (3b-2b-1) # DW_CFA_advance_loc\n\t"`
112			`".byte 0x16 # DW_CFA_val_expression\n\t"`
113			`".uleb128 0x8\n\t"`
114			`".uleb128 16f-13f\n"`
115			`"13:\t" ".byte 0x78 # DW_OP_breg8\n\t"`
116			`".sleb128 15f-14f\n\t"`
117			`".byte 0x0d # DW_OP_const4s\n"`
118			`"14:\t" ".4byte 3b-.\n\t"`
119			`".byte 0x1c # DW_OP_minus\n\t"`
120			`".byte 0x0d # DW_OP_const4s\n"`
121			`"15:\t" ".4byte 18f-.\n\t"`
122			`".byte 0x22 # DW_OP_plus\n"`
123			`"16:\t" ".align 4\n"`
124			`"17:\t" ".previous\n"`
125			`"18:"`
126			`: : "r" (x), "m" (x), "r" (buf)`
127			`: "memory", "eax", "edx", "ecx");`
128			`#elif defined __x86_64__`
129			`__asm (`
130			`"testl %0, %0\n\t"`
131			`"jnz 1f\n\t"`
132			`".subsection 1\n\t"`
133			`".type _L_mutex_lock_%=, @function\n"`
134			`"_L_mutex_lock_%=:\n"`
135			`"1:\t" "leaq %1, %%rdi\n"`
136			`"2:\t" "subq $128, %%rsp\n"`
137			`"3:\t" "call bar\n"`
138			`"4:\t" "addq $128, %%rsp\n"`
139			`"5:\t" "jmp 24f\n"`
140			`"6:\t" ".size _L_mutex_lock_%=, .-_L_mutex_lock_%=\n\t"`
141			`".previous\n\t"`
142			`".section .eh_frame,\"a\",@progbits\n"`
143			`"7:\t" ".long 9f-8f # Length of Common Information Entry\n"`
144			`"8:\t" ".long 0x0 # CIE Identifier Tag\n\t"`
145			`".byte 0x1 # CIE Version\n\t"`
146			`".ascii \"zR\\0\" # CIE Augmentation\n\t"`
147			`".uleb128 0x1 # CIE Code Alignment Factor\n\t"`
148			`".sleb128 -8 # CIE Data Alignment Factor\n\t"`
149			`".byte 0x10 # CIE RA Column\n\t"`
150			`".uleb128 0x1 # Augmentation size\n\t"`
151			`".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t"`
152			`".byte 0x12 # DW_CFA_def_cfa_sf\n\t"`
153			`".uleb128 0x7\n\t"`
154			`".sleb128 16\n\t"`
155			`".align 8\n"`
156			`"9:\t" ".long 23f-10f # FDE Length\n"`
157			`"10:\t" ".long 10b-7b # FDE CIE offset\n\t"`
158			`".long 1b-. # FDE initial location\n\t"`
159			`".long 6b-1b # FDE address range\n\t"`
160			`".uleb128 0x0 # Augmentation size\n\t"`
161			`".byte 0x16 # DW_CFA_val_expression\n\t"`
162			`".uleb128 0x10\n\t"`
163			`".uleb128 12f-11f\n"`
164			`"11:\t" ".byte 0x80 # DW_OP_breg16\n\t"`
165			`".sleb128 4b-1b\n"`
166			`"12:\t" ".byte 0x40 + (2b-1b) # DW_CFA_advance_loc\n\t"`
167			`".byte 0x16 # DW_CFA_val_expression\n\t"`
168			`".uleb128 0x10\n\t"`
169			`".uleb128 14f-13f\n"`
170			`"13:\t" ".byte 0x80 # DW_OP_breg16\n\t"`
171			`".sleb128 4b-2b\n"`
172			`"14:\t" ".byte 0x40 + (3b-2b) # DW_CFA_advance_loc\n\t"`
173			`".byte 0x0e # DW_CFA_def_cfa_offset\n\t"`
174			`".uleb128 0\n\t"`
175			`".byte 0x16 # DW_CFA_val_expression\n\t"`
176			`".uleb128 0x10\n\t"`
177			`".uleb128 16f-15f\n"`
178			`"15:\t" ".byte 0x80 # DW_OP_breg16\n\t"`
179			`".sleb128 4b-3b\n"`
180			`"16:\t" ".byte 0x40 + (4b-3b-1) # DW_CFA_advance_loc\n\t"`
181			`".byte 0x0e # DW_CFA_def_cfa_offset\n\t"`
182			`".uleb128 128\n\t"`
183			`".byte 0x16 # DW_CFA_val_expression\n\t"`
184			`".uleb128 0x10\n\t"`
185			`".uleb128 20f-17f\n"`
186			`"17:\t" ".byte 0x80 # DW_OP_breg16\n\t"`
187			`".sleb128 19f-18f\n\t"`
188			`".byte 0x0d # DW_OP_const4s\n"`
189			`"18:\t" ".4byte 4b-.\n\t"`
190			`".byte 0x1c # DW_OP_minus\n\t"`
191			`".byte 0x0d # DW_OP_const4s\n"`
192			`"19:\t" ".4byte 24f-.\n\t"`
193			`".byte 0x22 # DW_OP_plus\n"`
194			`"20:\t" ".byte 0x40 + (5b-4b+1) # DW_CFA_advance_loc\n\t"`
195			`".byte 0x13 # DW_CFA_def_cfa_offset_sf\n\t"`
196			`".sleb128 16\n\t"`
197			`".byte 0x16 # DW_CFA_val_expression\n\t"`
198			`".uleb128 0x10\n\t"`
199			`".uleb128 22f-21f\n"`
200			`"21:\t" ".byte 0x80 # DW_OP_breg16\n\t"`
201			`".sleb128 4b-5b\n"`
202			`"22:\t" ".align 8\n"`
203			`"23:\t" ".previous\n"`
204			`"24:"`
205			`: : "r" (x), "m" (x), "r" (buf)`
206			`: "memory", "rax", "rdx", "rcx", "rsi", "rdi",`
207			`"r8", "r9", "r10", "r11");`
208			`#else`
209			`# error Unsupported test architecture`
210			`#endif`
211			`}`
212
213			`static int __attribute__((noinline))`
214			`fn2 (void)`
215			`{`
216			`foo (3);`
217			`return 0;`
218			`}`
219
220			`static int __attribute__((noinline))`
221			`fn1 (void)`
222			`{`
223			`fn2 ();`
224			`return 0;`
225			`}`
226
227			`static void *`
228			`fn0 (void)`
229			`{`
230			`char dummy __attribute__((cleanup (handler)));`
231			`fn1 ();`
232			`return 0;`
233			`}`
234
235			`int`
236			`main (void)`
237			`{`
238			`fn0 ();`
239			`return 0;`
240			`}`