Author: dchagin
Date: Sun Jun 5 07:34:10 2016
New Revision: 301428
URL: https://svnweb.freebsd.org/changeset/base/301428
Log:
MFC r300415:
Add macro to convert errno and use it when appropriate.
Modified:
stable/10/sys/amd64/amd64/vm_machdep.c
stable/10/sys/i386/i386/vm_machdep.c
stable/10/sys/powerpc/powerpc/exec_machdep.c
stable/10/sys/sparc64/sparc64/vm_machdep.c
stable/10/sys/sys/sysent.h
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/amd64/amd64/vm_machdep.c
==============================================================================
--- stable/10/sys/amd64/amd64/vm_machdep.c Sun Jun 5 06:37:54 2016
(r301427)
+++ stable/10/sys/amd64/amd64/vm_machdep.c Sun Jun 5 07:34:10 2016
(r301428)
@@ -414,13 +414,7 @@ cpu_set_syscall_retval(struct thread *td
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;
}
Modified: stable/10/sys/i386/i386/vm_machdep.c
==============================================================================
--- stable/10/sys/i386/i386/vm_machdep.c Sun Jun 5 06:37:54 2016
(r301427)
+++ stable/10/sys/i386/i386/vm_machdep.c Sun Jun 5 07:34:10 2016
(r301428)
@@ -486,13 +486,7 @@ cpu_set_syscall_retval(struct thread *td
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;
}
Modified: stable/10/sys/powerpc/powerpc/exec_machdep.c
==============================================================================
--- stable/10/sys/powerpc/powerpc/exec_machdep.c Sun Jun 5 06:37:54
2016 (r301427)
+++ stable/10/sys/powerpc/powerpc/exec_machdep.c Sun Jun 5 07:34:10
2016 (r301428)
@@ -901,11 +901,7 @@ cpu_set_syscall_retval(struct thread *td
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;
}
Modified: stable/10/sys/sparc64/sparc64/vm_machdep.c
==============================================================================
--- stable/10/sys/sparc64/sparc64/vm_machdep.c Sun Jun 5 06:37:54 2016
(r301427)
+++ stable/10/sys/sparc64/sparc64/vm_machdep.c Sun Jun 5 07:34:10 2016
(r301428)
@@ -196,13 +196,7 @@ cpu_set_syscall_retval(struct thread *td
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;
}
Modified: stable/10/sys/sys/sysent.h
==============================================================================
--- stable/10/sys/sys/sysent.h Sun Jun 5 06:37:54 2016 (r301427)
+++ stable/10/sys/sys/sysent.h Sun Jun 5 07:34:10 2016 (r301428)
@@ -141,6 +141,8 @@ struct sysentvec {
#define SV_SHP 0x010000
#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)
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