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Add macro to convert errno and use it when appropriate.

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MFC after:	1 week
This commit is contained in:
dchagin 2016-05-22 12:46:34 +00:00
parent 29f5e6c1ad
commit 791b4b1122
5 changed files with 6 additions and 26 deletions
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8
sys/amd64/amd64/vm_machdep.c
View File

@ -414,13 +414,7 @@ cpu_set_syscall_retval(struct thread *td, int error)
break;
default:
if (td->td_proc->p_sysent->sv_errsize) {
if (error >= td->td_proc->p_sysent->sv_errsize)
error = -1; /* XXX */
else
error = td->td_proc->p_sysent->sv_errtbl[error];
}
td->td_frame->tf_rax = error;
td->td_frame->tf_rax = SV_ABI_ERRNO(td->td_proc, error);
td->td_frame->tf_rflags |= PSL_C;
break;
}

8
sys/i386/i386/vm_machdep.c
View File

@ -451,13 +451,7 @@ cpu_set_syscall_retval(struct thread *td, int error)
break;
default:
if (td->td_proc->p_sysent->sv_errsize) {
if (error >= td->td_proc->p_sysent->sv_errsize)
error = -1; /* XXX */
else
error = td->td_proc->p_sysent->sv_errtbl[error];
}
td->td_frame->tf_eax = error;
td->td_frame->tf_eax = SV_ABI_ERRNO(td->td_proc, error);
td->td_frame->tf_eflags |= PSL_C;
break;
}

6
sys/powerpc/powerpc/exec_machdep.c
View File

@ -908,11 +908,7 @@ cpu_set_syscall_retval(struct thread *td, int error)
tf->srr0 -= 4;
break;
default:
if (p->p_sysent->sv_errsize) {
error = (error < p->p_sysent->sv_errsize) ?
p->p_sysent->sv_errtbl[error] : -1;
}
tf->fixreg[FIRSTARG] = error;
tf->fixreg[FIRSTARG] = SV_ABI_ERRNO(p, error);
tf->cr |= 0x10000000; /* Set summary overflow */
break;
}

8
sys/sparc64/sparc64/vm_machdep.c
View File

@ -167,13 +167,7 @@ cpu_set_syscall_retval(struct thread *td, int error)
break;
default:
if (td->td_proc->p_sysent->sv_errsize) {
if (error >= td->td_proc->p_sysent->sv_errsize)
error = -1; /* XXX */
else
error = td->td_proc->p_sysent->sv_errtbl[error];
}
td->td_frame->tf_out[0] = error;
td->td_frame->tf_out[0] = SV_ABI_ERRNO(td->td_proc, error);
td->td_frame->tf_tstate |= TSTATE_XCC_C;
break;
}

2
sys/sys/sysent.h
View File

@ -141,6 +141,8 @@ struct sysentvec {
#define SV_TIMEKEEP 0x040000
#define SV_ABI_MASK 0xff
#define SV_ABI_ERRNO(p, e) ((p)->p_sysent->sv_errsize <= 0 ? e : \
((e) >= (p)->p_sysent->sv_errsize ? -1 : (p)->p_sysent->sv_errtbl[e]))
#define SV_PROC_FLAG(p, x) ((p)->p_sysent->sv_flags & (x))
#define SV_PROC_ABI(p) ((p)->p_sysent->sv_flags & SV_ABI_MASK)
#define SV_CURPROC_FLAG(x) SV_PROC_FLAG(curproc, x)