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target-arm/arm-semi.c: Fix broken SYS_WRITE0 via gdb

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A spurious trailing "\n" in the gdb syscall format string used
for SYS_WRITE0 meant that gdb would reject the remote syscall,
with the effect that the output from the guest was silently dropped.
Remove the newline so that gdb accepts the packet.

Cc: qemu-stable@nongnu.org

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-09-07 10:39:27 +01:00
parent b45c03f585
commit 857b55adb7
1 changed files with 1 additions and 1 deletions
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target-arm/arm-semi.c
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@ -260,7 +260,7 @@ uint32_t do_arm_semihosting(CPUARMState *env)
return (uint32_t)-1;
len = strlen(s);
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "write,2,%x,%x\n", args, len);
gdb_do_syscall(arm_semi_cb, "write,2,%x,%x", args, len);
ret = env->regs[0];
} else {
ret = write(STDERR_FILENO, s, len);