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build: add initial NetBSD support.

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Not able to generate ELF files on NetBSD yet (lacks the note and crt1.o
is actually named crt0.o on NetBSD), but -run works with these extra
defines:
-D__lint__ -D"__symbolrename(x)=asm(#x)" -D__NetBSD__

The -D__lint__ is an ugly hack, TCC should be able to emulate GCC just
fine, but it seems TCC doesn't support __builtin_va_list yet?
	typedef __builtin_va_list __va_list;
/usr/include/sys/ansi.h:72: error: ';' expected (got "__va_list")
This commit is contained in:
minux
2014-04-12 01:42:46 -04:00
parent 469ae3a7e5
commit 9714d2e75f
3 changed files with 13 additions and 4 deletions
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12
tccrun.c
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@ -486,10 +486,12 @@ static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
if (level == 0) {
#if defined(__APPLE__)
*paddr = uc->uc_mcontext->__ss.__eip;
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
*paddr = uc->uc_mcontext.mc_eip;
#elif defined(__dietlibc__)
*paddr = uc->uc_mcontext.eip;
#elif defined(__NetBSD__)
*paddr = uc->uc_mcontext.__gregs[_REG_EIP];
#else
*paddr = uc->uc_mcontext.gregs[REG_EIP];
#endif
@ -497,10 +499,12 @@ static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
} else {
#if defined(__APPLE__)
fp = uc->uc_mcontext->__ss.__ebp;
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
fp = uc->uc_mcontext.mc_ebp;
#elif defined(__dietlibc__)
fp = uc->uc_mcontext.ebp;
#elif defined(__NetBSD__)
fp = uc->uc_mcontext.__gregs[_REG_EBP];
#else
fp = uc->uc_mcontext.gregs[REG_EBP];
#endif
@ -530,6 +534,8 @@ static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
*paddr = uc->uc_mcontext->__ss.__rip;
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
*paddr = uc->uc_mcontext.mc_rip;
#elif defined(__NetBSD__)
*paddr = uc->uc_mcontext.__gregs[_REG_RIP];
#else
*paddr = uc->uc_mcontext.gregs[REG_RIP];
#endif
@ -539,6 +545,8 @@ static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
fp = uc->uc_mcontext->__ss.__rbp;
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
fp = uc->uc_mcontext.mc_rbp;
#elif defined(__NetBSD__)
fp = uc->uc_mcontext.__gregs[_REG_RBP];
#else
fp = uc->uc_mcontext.gregs[REG_RBP];
#endif