Merge branch 'master' of https://github.com/bhgv/Inferno-OS-bhgv

1 files changed, 42 insertions, 0 deletions

diff --git a/libdynld/dynld-riscv64.c b/libdynld/dynld-riscv64.c
new file mode 100644
index 0000000..040111d
--- /dev/null
+++ b/libdynld/dynld-riscv64.c
@@ -0,0 +1,42 @@
+#include "lib9.h"
+#include <a.out.h>
+#include <dynld.h>
+
+#define	CHK(i,ntab)	if((unsigned)(i)>=(ntab))return "bad relocation index"
+
+long
+dynmagic(void)
+{
+	return DYN_MAGIC | I_MAGIC;
+}
+
+char*
+dynreloc(uchar *b, ulong p, int m, Dynsym **tab, int ntab)
+{
+	int i;
+	ulong v, *pp;
+
+	p += (ulong)b;
+	pp = (ulong*)p;
+	v = *pp;
+	switch(m){
+	case 0:
+		v += (ulong)b;
+		break;
+	case 1:
+		i = v>>22;
+		v &= 0x3fffff;
+		CHK(i, ntab);
+		v += tab[i]->addr;
+		break;
+	case 2:
+		i = v>>22;
+		CHK(i, ntab);
+		v = tab[i]->addr -p-4;
+		break;
+	default:
+		return "bad relocation mode";
+	}
+	*pp = v;
+	return nil;
+}