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semihosting: add guest_error logging for failed opens

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This usually indicates the semihosting call was expecting to find
something but didn't.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250116160306.1709518-2-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2025-01-16 16:02:30 +00:00
parent 4d5d933bbc
commit 552260aeae
1 changed files with 2 additions and 0 deletions
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2
semihosting/syscalls.c
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@ -7,6 +7,7 @@
*/
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "cpu.h"
#include "gdbstub/syscalls.h"
#include "semihosting/guestfd.h"
@ -287,6 +288,7 @@ static void host_open(CPUState *cs, gdb_syscall_complete_cb complete,
ret = open(p, host_flags, mode);
if (ret < 0) {
qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to open %s\n", __func__, p);
complete(cs, -1, errno);
} else {
int guestfd = alloc_guestfd();