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Diffstat (limited to 'target/m68k/m68k-semi.c')
-rw-r--r--target/m68k/m68k-semi.c33
1 files changed, 31 insertions, 2 deletions
diff --git a/target/m68k/m68k-semi.c b/target/m68k/m68k-semi.c
index 586a801..87b1314 100644
--- a/target/m68k/m68k-semi.c
+++ b/target/m68k/m68k-semi.c
@@ -41,6 +41,35 @@
#define HOSTED_ISATTY 12
#define HOSTED_SYSTEM 13
+static int host_to_gdb_errno(int err)
+{
+#define E(X) case E##X: return GDB_E##X
+ switch (err) {
+ E(PERM);
+ E(NOENT);
+ E(INTR);
+ E(BADF);
+ E(ACCES);
+ E(FAULT);
+ E(BUSY);
+ E(EXIST);
+ E(NODEV);
+ E(NOTDIR);
+ E(ISDIR);
+ E(INVAL);
+ E(NFILE);
+ E(MFILE);
+ E(FBIG);
+ E(NOSPC);
+ E(SPIPE);
+ E(ROFS);
+ E(NAMETOOLONG);
+ default:
+ return GDB_EUNKNOWN;
+ }
+#undef E
+}
+
static void m68k_semi_u32_cb(CPUState *cs, uint64_t ret, int err)
{
M68kCPU *cpu = M68K_CPU(cs);
@@ -48,7 +77,7 @@ static void m68k_semi_u32_cb(CPUState *cs, uint64_t ret, int err)
target_ulong args = env->dregs[1];
if (put_user_u32(ret, args) ||
- put_user_u32(err, args + 4)) {
+ put_user_u32(host_to_gdb_errno(err), args + 4)) {
/*
* The m68k semihosting ABI does not provide any way to report this
* error to the guest, so the best we can do is log it in qemu.
@@ -67,7 +96,7 @@ static void m68k_semi_u64_cb(CPUState *cs, uint64_t ret, int err)
target_ulong args = env->dregs[1];
if (put_user_u32(ret >> 32, args) ||
put_user_u32(ret, args + 4) ||
- put_user_u32(err, args + 8)) {
+ put_user_u32(host_to_gdb_errno(err), args + 8)) {
/* No way to report this via m68k semihosting ABI; just log it */
qemu_log_mask(LOG_GUEST_ERROR, "m68k-semihosting: return value "
"discarded because argument block not writable\n");