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Message-Id: <20201211235620.4223-1-ariadne@dereferenced.org>
Date: Fri, 11 Dec 2020 23:56:30 GMT
From: Ariadne Conill <ariadne@...eferenced.org>
To: musl@...ts.openwall.com
Cc: Ariadne Conill <ariadne@...eferenced.org>
Subject: [PATCH] sh: fix incorrect GNU mcontext_t member definitions
When compiling as _GNU_SOURCE, mcontext_t structure mirrors names used
in sigcontext structure, but without the sc_ prefix. Split out sigcontext
structure and adjust the mcontext_t member names accordingly.
This is necessary to compile libucontext on sh architecture.
---
arch/sh/bits/signal.h | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/sh/bits/signal.h b/arch/sh/bits/signal.h
index 160311fa..82a9cba0 100644
--- a/arch/sh/bits/signal.h
+++ b/arch/sh/bits/signal.h
@@ -9,7 +9,16 @@
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
typedef int greg_t, gregset_t[16];
typedef int freg_t, fpregset_t[16];
-typedef struct sigcontext {
+typedef struct {
+ unsigned long oldmask;
+ unsigned long regs[16];
+ unsigned long pc, pr, sr;
+ unsigned long gbr, mach, macl;
+ unsigned long fpregs[16];
+ unsigned long xfpregs[16];
+ unsigned int fpscr, fpul, ownedfp;
+} mcontext_t;
+struct sigcontext {
unsigned long oldmask;
unsigned long sc_regs[16];
unsigned long sc_pc, sc_pr, sc_sr;
@@ -17,7 +26,7 @@ typedef struct sigcontext {
unsigned long sc_fpregs[16];
unsigned long sc_xfpregs[16];
unsigned int sc_fpscr, sc_fpul, sc_ownedfp;
-} mcontext_t;
+};
#else
typedef struct {
unsigned long __regs[58];
--
2.29.2
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