| /* APPLE LOCAL file Macintosh alignment */ |
| |
| /* { dg-do run { target { powerpc*-*-darwin* i?86*-*-darwin* } } } */ |
| /* { dg-options "-Wno-long-long" } */ |
| |
| /* |
| * GCC alignment test for alignment problems due to interactions |
| * between FSF and Macintosh alignment modes. |
| * Fred Forsman |
| * Apple Computer, Inc. |
| */ |
| |
| #ifdef __LP64__ |
| int main() |
| { |
| return 0; |
| } |
| #else /* 32-bit */ |
| |
| /* Check whether we are testing GCC 3 or later. */ |
| #ifdef __GNUC__ |
| #if __GNUC__ >= 3 |
| #define GCC3 1 |
| #else |
| #define GCC3 0 |
| #endif |
| #endif |
| |
| #include <stdio.h> |
| #include <stddef.h> |
| #include <string.h> |
| |
| #define Q(x) #x, x |
| |
| typedef unsigned char UINT8; |
| typedef unsigned long UINT32; |
| |
| static int bad_option = 0; |
| static int flag_verbose = 0; |
| static int nbr_failures = 0; |
| |
| /* === alignment modes === */ |
| |
| #pragma options align=power |
| #pragma options align=mac68k |
| #pragma pack(1) |
| |
| typedef struct S0 { |
| UINT32 f1; |
| UINT8 f2; |
| } S0; |
| |
| #pragma options align=reset |
| |
| /* We should be back in mac68k alignment, if #pragma option align=reset |
| can rest a #pragma pack(n). So check for mac68k alignment. */ |
| |
| typedef struct S1 { |
| UINT32 f1; |
| UINT8 f2; |
| } S1; |
| |
| #if GCC3 |
| #pragma options align=power |
| #pragma options align=mac68k |
| //#pragma pack(push, 1) |
| //#pragma pack(pop) |
| #pragma pack(1) |
| #pragma pack() |
| |
| /* We should be back in mac68k alignment, if #pragma pack() |
| can reset a #pragma pack(n). So check for mac68k alignment. */ |
| |
| typedef struct S2 { |
| UINT32 f1; |
| UINT8 f2; |
| } S2; |
| #endif /* GCC3 */ |
| |
| static void check(char * rec_name, int actual, int expected_ppc32, int expected_ia32, char * comment) |
| { |
| int expected; |
| #ifdef __i386__ |
| expected = expected_ia32; |
| #else |
| expected = expected_ppc32; |
| #endif |
| if (flag_verbose || (actual != expected)) { |
| printf("%-20s = %2d (%2d) ", rec_name, actual, expected); |
| if (actual != expected) { |
| printf("*** FAIL"); |
| nbr_failures++; |
| } else |
| printf(" PASS"); |
| printf(": %s\n", comment); |
| } |
| } |
| |
| static void check_option(char *option) |
| { |
| if (*option == '-') { |
| if (strcmp(option, "-v") == 0) |
| flag_verbose = 1; |
| else { |
| fprintf(stderr, "*** unrecognized option '%s'.\n", option); |
| bad_option = 1; |
| } |
| } else { |
| fprintf(stderr, "*** unrecognized option '%s'.\n", option); |
| bad_option = 1; |
| } |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| int i; |
| |
| for (i = 1; i < argc; i++) |
| check_option(argv[i]); |
| |
| if (bad_option) |
| return 1; |
| |
| check(Q(sizeof(S0)), 5, 5, "struct with 1 long, 1 char; pack(1) mode"); |
| check(Q(sizeof(S1)), 6, 6, "struct with 1 long, 1 char; should be mac68k mode"); |
| #if GCC3 |
| check(Q(sizeof(S2)), 6, 6, "struct with 1 long, 1 char; should be mac68k mode"); |
| #endif |
| |
| if (nbr_failures > 0) |
| return 1; |
| else |
| return 0; |
| } |
| |
| #endif /* 32-bit */ |