projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 252b5132 RH |
1 | /* First C source file for actual execution test. */ |
| 2 | ||
| 3 | /* The main point of this test is to make sure that the code and data | |
| 4 | are truly position independent. We statically initialize several | |
| 5 | global variables, and make sure that they are correctly adjusted at | |
| 6 | runtime. */ | |
| 7 | ||
| 8 | int i = 1; | |
| 9 | int j = 0; | |
| 10 | extern int k; | |
| 11 | int l; | |
| 12 | char small_buf[] = "aaaa"; | |
| 13 | char *small_pointer = small_buf; | |
| 14 | char big_buf[] = "aaaaaaaaaaaaaaaa"; | |
| 15 | char *big_pointer = big_buf; | |
| 16 | ||
| 17 | extern int bar (); | |
| 18 | int (*pbar) () = bar; | |
| 19 | ||
| 20 | static int | |
| 21 | foo2 (arg) | |
| 22 | int arg; | |
| 23 | { | |
| 24 | l = arg; | |
| 25 | return i + j; | |
| 26 | } | |
| 27 | ||
| 28 | int (*pfoo2) () = foo2; | |
| 29 | ||
| 30 | int | |
| 31 | chkstr (z, c) | |
| 32 | char *z; | |
| 33 | int c; | |
| 34 | { | |
| 35 | /* Switch statements need extra effort to be position independent, | |
| 36 | so we run one here, even though most of the cases will never be | |
| 37 | taken. */ | |
| 38 | switch (c) | |
| 39 | { | |
| 40 | case 1: | |
| 41 | case 2: | |
| 42 | case 3: | |
| 43 | return i - 1; | |
| 44 | case 4: | |
| 45 | break; | |
| 46 | case 5: | |
| 47 | case 6: | |
| 48 | case 7: | |
| 49 | case 8: | |
| 50 | case 9: | |
| 51 | return i * j; | |
| 52 | case 10: | |
| 53 | case 11: | |
| 54 | case 12: | |
| 55 | case 13: | |
| 56 | case 14: | |
| 57 | case 15: | |
| 58 | return j; | |
| 59 | case 16: | |
| 60 | break; | |
| 61 | default: | |
| 62 | return 0; | |
| 63 | } | |
| 64 | ||
| 65 | while (c-- != 0) | |
| 66 | if (*z++ != 'a') | |
| 67 | return 0; | |
| 68 | ||
| 69 | return *z == '\0'; | |
| 70 | } | |
| 71 | ||
| 72 | /* This function is called by the assembler startup routine. It tries | |
| 73 | to test that everything was correctly initialized. It returns 0 on | |
| 74 | success, something else on failure. */ | |
| 75 | ||
| 76 | int | |
| 77 | foo () | |
| 78 | { | |
| 79 | if (i != 1) | |
| 80 | return 1; | |
| 81 | if (j != 0) | |
| 82 | return 2; | |
| 83 | if (! chkstr (small_buf, 4)) | |
| 84 | return 3; | |
| 85 | if (! chkstr (small_pointer, 4)) | |
| 86 | return 4; | |
| 87 | if (! chkstr (big_buf, 16)) | |
| 88 | return 5; | |
| 89 | if (! chkstr (big_pointer, 16)) | |
| 90 | return 6; | |
| 91 | ||
| 92 | if (l != 0) | |
| 93 | return 7; | |
| 94 | if (foo2 (1) != 1) | |
| 95 | return 8; | |
| 96 | if (l != 1) | |
| 97 | return 9; | |
| 98 | if ((*pfoo2) (2) != 1) | |
| 99 | return 10; | |
| 100 | if (l != 2) | |
| 101 | return 11; | |
| 102 | ||
| 103 | if (bar (1) != 0) | |
| 104 | return 12; | |
| 105 | if (bar (-1) != 1) | |
| 106 | return 13; | |
| 107 | if ((*pbar) (0xa5a5a5a5) != -1) | |
| 108 | return 14; | |
| 109 | if (k != 0xa5a5a5a5) | |
| 110 | return 15; | |
| 111 | if ((*pbar) (0) != 0xa5a5a5a5) | |
| 112 | return 16; | |
| 113 | if (k != 0) | |
| 114 | return 17; | |
| 115 | ||
| 116 | return 0; | |
| 117 | } |