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Support struct arguments with stdarg.h

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- add __builtin_va_arg_types to check how arguments were passed
- move most code of stdarg into libtcc1.c
- remove __builtin_malloc and __builtin_free
- add a test case based on the bug report
  (http://www.mail-archive.com/tinycc-devel@nongnu.org/msg03036.html)
This commit is contained in:
Shinichiro Hamaji
2010-12-28 19:32:40 +09:00
parent 07fd82b411
commit 0ed7ba3f5e
5 changed files with 135 additions and 54 deletions
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23
tests/tcctest.c
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@ -1834,10 +1834,30 @@ void vprintf1(const char *fmt, ...)
va_end(ap);
}
struct myspace {
short int profile;
};
void stdarg_for_struct(struct myspace bob, ...)
{
struct myspace george, bill;
va_list ap;
short int validate;
va_start(ap, bob);
bill = va_arg(ap, struct myspace);
george = va_arg(ap, struct myspace);
validate = va_arg(ap, int);
printf("stdarg_for_struct: %d %d %d %d\n",
bob.profile, bill.profile, george.profile, validate);
va_end(ap);
}
void stdarg_test(void)
{
long double ld = 1234567891234LL;
struct myspace bob;
vprintf1("%d %d %d\n", 1, 2, 3);
vprintf1("%f %d %f\n", 1.0, 2, 3.0);
vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
@ -1879,6 +1899,9 @@ void stdarg_test(void)
0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
ld, 1234567891234LL, 987654321986LL,
42.0, 43.0, ld);
bob.profile = 42;
stdarg_for_struct(bob, bob, bob, bob.profile);
}
void whitespace_test(void)