libunwind: Upgrade 1.6.2 -> 1.8.1

* change download location to GitHub
* refresh patches
* on ppc32/musl we need to link with -latomic
* make the -Wno-error more specific (only ppc32/musl)

Includes tweaks from Adriaan Schmidt based on original work from Ross.

(From OE-Core rev: 8b0d9fe7bd37817f387b10c23fe62b8a00c95713)

Signed-off-by: Adriaan Schmidt <adriaan.schmidt@siemens.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton 2025-04-11 14:29:26 +02:00 committed by Richard Purdie
parent 9fc13b1ad4
commit 2af4e73f2f
10 changed files with 414 additions and 360 deletions

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@ -1,52 +0,0 @@
From 9b27fa9bcd5cadd4c841c42710f41a090377e531 Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@arm.com>
Date: Fri, 24 Mar 2023 16:18:44 +0000
Subject: [PATCH] src/Gtrace: remove unguarded print() calls
There is a use of printf() without #include stdio.h in src/arm/Gtrace.c,
which results in a compiler error if clang 16 is used:
src/arm/Gtrace.c:529:7: error: call to undeclared library function
'printf' with type 'int (const char *, ...)'; ISO C99 and later do not
support implicit function declarations [-Wimplicit-function-declaration]
Replace the printf("XXX") with a Dprintf, so it doesn't pull stdio in
unless in a debug build, and reword the message to be clearer.
Also there is another printf("XXX") inside a FreeBSD-specific block in
the UNW_ARM_FRAME_SIGRETURN case, replace this with a #error as the code
needs to be implemented.
Fixes #482.
Upstream-Status: Backport [9b27fa9bcd5cadd4c841c42710f41a090377e531]
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
src/arm/Gtrace.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/arm/Gtrace.c b/src/arm/Gtrace.c
index 51fc281d..9e0f25af 100644
--- a/src/arm/Gtrace.c
+++ b/src/arm/Gtrace.c
@@ -514,7 +514,7 @@ tdep_trace (unw_cursor_t *cursor, void **buffer, int *size)
if (likely(ret >= 0))
ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_LR_OFF, lr);
#elif defined(__FreeBSD__)
- printf("XXX\n");
+ #error implement UNW_ARM_FRAME_SIGRETURN on FreeBSD
#endif
/* Resume stack at signal restoration point. The stack is not
@@ -526,7 +526,7 @@ tdep_trace (unw_cursor_t *cursor, void **buffer, int *size)
break;
case UNW_ARM_FRAME_SYSCALL:
- printf("XXX1\n");
+ Dprintf ("%s: implement me\n", __FUNCTION__);
break;
default:
--
2.34.1

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@ -0,0 +1,73 @@
From 2f03399911abdd549237fa2db64a4a8311fe67dc Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@arm.com>
Date: Mon, 15 Jan 2024 16:59:14 +0000
Subject: [PATCH 1/4] tests/Garm64-test-sve-signal: check that SVE is present
before running tests
If the compiler supports -march=armv8-a+sve then those options are used
to build this test, but all that needs is a sufficiently new compiler.
This then results in the __ARM_FEATURE_SVE check always passing, because
SVE is explicitly enabled.
However it's perfectly possible for the compiler to support +sve but the
machine running the code to not, which results with the test crashing
with "Illegal instruction".
Handle this case by checking HWCAP for SVE support, and skipping the
test unless we know it is available. This check is Linux-specific at
present, but the logic is easily extended.
Upstream-Status: Backport
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
tests/Garm64-test-sve-signal.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/tests/Garm64-test-sve-signal.c b/tests/Garm64-test-sve-signal.c
index 52cb9ac6..cf66b3f1 100644
--- a/tests/Garm64-test-sve-signal.c
+++ b/tests/Garm64-test-sve-signal.c
@@ -9,11 +9,16 @@
#include <libunwind.h>
#include <signal.h>
#include <stdio.h>
+#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
+#if defined(__linux__)
+#include <sys/auxv.h>
+#endif
+
int64_t z[100];
void signal_handler(int signum)
@@ -96,8 +101,22 @@ int64_t square(svint64_t z0)
return res;
}
+bool has_sve(void) {
+#if defined(__linux__)
+ return (getauxval(AT_HWCAP) & HWCAP_SVE) ? true : false;
+#else
+ printf("Cannot determine if SVE is present, assuming it is not\n");
+ return false;
+#endif
+}
+
int main()
{
+ if (!has_sve()) {
+ printf("SVE not available, skipping\n");
+ return 77;
+ }
+
signal(SIGUSR1, signal_handler);
for (unsigned int i = 0; i < sizeof(z) / sizeof(z[0]); ++i)
z[i] = rand();
--
2.34.1

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@ -1,24 +1,27 @@
From 7750e2a29b084ee033acc82abab410035e220d3f Mon Sep 17 00:00:00 2001
From 2a5473a31c6b02e9c49d688691e848d6281ffd2e Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@arm.com>
Date: Tue, 16 Jan 2024 18:21:26 +0000
Subject: [PATCH 1/2] coredump-mips-register
Subject: [PATCH 2/4] coredump: use glibc or musl register names as appropriate
on MIPS
glibc and musl have different names for the registers, add a
macro that generates the names appropriately.
glibc has register macros of the form EF_REGx, but musl uses EF_Rx.
Upstream-Status: Pending
Handle this by using a macro to use the correct names.
Closes #708.
Upstream-Status: Backport
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
src/coredump/_UCD_access_reg_linux.c | 69 ++++++++++++++++------------
1 file changed, 39 insertions(+), 30 deletions(-)
diff --git a/src/coredump/_UCD_access_reg_linux.c b/src/coredump/_UCD_access_reg_linux.c
index 27eef123..beefdb47 100644
index 302f7bdf..05100ed6 100644
--- a/src/coredump/_UCD_access_reg_linux.c
+++ b/src/coredump/_UCD_access_reg_linux.c
@@ -67,38 +67,47 @@ _UCD_access_reg (unw_addr_space_t as,
goto badreg;
@@ -100,38 +100,47 @@ _UCD_access_reg (unw_addr_space_t as UNUSED,
};
#else
#if defined(UNW_TARGET_MIPS)
+
@ -94,7 +97,7 @@ index 27eef123..beefdb47 100644
+ [UNW_MIPS_R31] = EF_REG(31),
[UNW_MIPS_PC] = EF_CP0_EPC,
};
#elif defined(UNW_TARGET_X86)
#elif defined(UNW_TARGET_S390X)
--
2.34.1

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@ -0,0 +1,27 @@
From e5216c3fb1fa8d60a18c68e4749a3ff902f6678b Mon Sep 17 00:00:00 2001
From: Ian Zborovsky <ian@veego.io>
Date: Mon, 6 May 2024 02:01:19 +0300
Subject: [PATCH 3/4] Fixed miscompilation of unw_getcontext() on ARM
Upstream-Status: Backport
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
include/libunwind-arm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/libunwind-arm.h b/include/libunwind-arm.h
index 6cfa577d..6643a185 100644
--- a/include/libunwind-arm.h
+++ b/include/libunwind-arm.h
@@ -288,7 +288,7 @@ unw_tdep_context_t;
"mov r0, #0\n\t" \
"stmia %[base]!, {r0-r15}\n\t" \
VSTMIA \
- : [r0] "=r" (r0) : [base] "r" (unw_base) : "memory"); \
+ : [r0] "=r" (r0), [base] "+r" (unw_base) : : "memory"); \
(int)r0; })
#else /* __thumb__ */
#define unw_tdep_getcontext(uc) ({ \
--
2.34.1

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@ -0,0 +1,163 @@
From a832070f3665d29a8a06652c15f94d144c24ac69 Mon Sep 17 00:00:00 2001
From: Stephen Webb <swebb@blackberry.com>
Date: Mon, 22 Apr 2024 15:56:54 -0400
Subject: [PATCH 4/5] Rework inline aarch64 as for setcontext
Modern GC and clang were barfing on the inline asm constraints for the
aarch64-linux setcontext() replacement. Reformulated the asm code to
reduce the required constraints.
Upstream-Status: Backport
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
src/aarch64/Gos-linux.c | 115 +++++++++++++++++++++-------------------
1 file changed, 61 insertions(+), 54 deletions(-)
diff --git a/src/aarch64/Gos-linux.c b/src/aarch64/Gos-linux.c
index 7cd8c879..1e494962 100644
--- a/src/aarch64/Gos-linux.c
+++ b/src/aarch64/Gos-linux.c
@@ -2,6 +2,7 @@
Copyright (C) 2008 CodeSourcery
Copyright (C) 2011-2013 Linaro Limited
Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright 2024 Stephen M. Webb <swebb@blackberry.com>
This file is part of libunwind.
@@ -28,6 +29,28 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef UNW_REMOTE_ONLY
+/* Magic constants generated from gen-offsets.c */
+#define SC_R0_OFF "8"
+#define SC_R2_OFF "24"
+#define SC_R18_OFF "152"
+#define SC_R20_OFF "168"
+#define SC_R22_OFF "184"
+#define SC_R24_OFF "200"
+#define SC_R26_OFF "216"
+#define SC_R28_OFF "232"
+#define SC_R30_OFF "248"
+
+#define FP_R08_OFF "80"
+#define FP_R09_OFF "88"
+#define FP_R10_OFF "96"
+#define FP_R11_OFF "104"
+#define FP_R12_OFF "112"
+#define FP_R13_OFF "120"
+#define FP_R14_OFF "128"
+#define FP_R15_OFF "136"
+
+#define SC_SP_OFF "0x100"
+
HIDDEN int
aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg)
{
@@ -36,65 +59,49 @@ aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg)
if (c->sigcontext_format == AARCH64_SCF_NONE)
{
+
+ /*
+ * This is effectively the old POSIX setcontext().
+ *
+ * This inline asm is broken up to use local scratch registers for the
+ * uc_mcontext.regs and FPCTX base addresses because newer versions of GCC
+ * and clang barf on too many constraints (gh-702) when the C array
+ * elements are used directly.
+ *
+ * Clobbers aren't required for the inline asm because they just convince
+ * the compiler to save those registers and they never get restored
+ * becauise the asm ends with a plain ol' ret.
+ */
+ register void* uc_mcontext __asm__ ("x5") = (void*) &uc->uc_mcontext;
+ register void* fpctx __asm__ ("x4") = (void*) GET_FPCTX(uc);
+
/* Since there are no signals involved here we restore EH and non scratch
registers only. */
__asm__ __volatile__ (
- "ldr x0, %[x0]\n\t"
- "ldr x1, %[x1]\n\t"
- "ldr x2, %[x2]\n\t"
- "ldr x3, %[x3]\n\t"
- "ldr x19, %[x19]\n\t"
- "ldr x20, %[x20]\n\t"
- "ldr x21, %[x21]\n\t"
- "ldr x22, %[x22]\n\t"
- "ldr x23, %[x23]\n\t"
- "ldr x24, %[x24]\n\t"
- "ldr x25, %[x25]\n\t"
- "ldr x26, %[x26]\n\t"
- "ldr x27, %[x27]\n\t"
- "ldr x28, %[x28]\n\t"
- "ldr x29, %[x29]\n\t"
- "ldr x30, %[x30]\n\t"
- "ldr d8, %[d8]\n\t"
- "ldr d9, %[d9]\n\t"
- "ldr d10, %[d10]\n\t"
- "ldr d11, %[d11]\n\t"
- "ldr d12, %[d12]\n\t"
- "ldr d13, %[d13]\n\t"
- "ldr d14, %[d14]\n\t"
- "ldr d15, %[d15]\n\t"
- "ldr x5, %[sp]\n\t"
+ "ldp x0, x1, [x5, " SC_R0_OFF "]\n\t"
+ "ldp x2, x3, [x5, " SC_R2_OFF "]\n\t"
+ "ldp x18, x19, [x5, " SC_R18_OFF "]\n\t"
+ "ldp x20, x21, [x5, " SC_R20_OFF "]\n\t"
+ "ldp x22, x23, [x5, " SC_R22_OFF "]\n\t"
+ "ldp x24, x25, [x5, " SC_R24_OFF "]\n\t"
+ "ldp x26, x27, [x5, " SC_R26_OFF "]\n\t"
+ "ldp x28, x29, [x5, " SC_R28_OFF "]\n\t"
+ "ldr x30, [x5, " SC_R30_OFF "]\n\t"
+ "ldr d8, [x4, " FP_R08_OFF "]\n\t"
+ "ldr d9, [x4, " FP_R09_OFF "]\n\t"
+ "ldr d10, [x4, " FP_R10_OFF "]\n\t"
+ "ldr d11, [x4, " FP_R11_OFF "]\n\t"
+ "ldr d12, [x4, " FP_R12_OFF "]\n\t"
+ "ldr d13, [x4, " FP_R13_OFF "]\n\t"
+ "ldr d14, [x4, " FP_R14_OFF "]\n\t"
+ "ldr d15, [x4, " FP_R15_OFF "]\n\t"
+ "ldr x5, [x5, " SC_SP_OFF "]\n\t"
"mov sp, x5\n\t"
"ret\n"
- :
- : [x0] "m"(uc->uc_mcontext.regs[0]),
- [x1] "m"(uc->uc_mcontext.regs[1]),
- [x2] "m"(uc->uc_mcontext.regs[2]),
- [x3] "m"(uc->uc_mcontext.regs[3]),
- [x19] "m"(uc->uc_mcontext.regs[19]),
- [x20] "m"(uc->uc_mcontext.regs[20]),
- [x21] "m"(uc->uc_mcontext.regs[21]),
- [x22] "m"(uc->uc_mcontext.regs[22]),
- [x23] "m"(uc->uc_mcontext.regs[23]),
- [x24] "m"(uc->uc_mcontext.regs[24]),
- [x25] "m"(uc->uc_mcontext.regs[25]),
- [x26] "m"(uc->uc_mcontext.regs[26]),
- [x27] "m"(uc->uc_mcontext.regs[27]),
- [x28] "m"(uc->uc_mcontext.regs[28]),
- [x29] "m"(uc->uc_mcontext.regs[29]), /* FP */
- [x30] "m"(uc->uc_mcontext.regs[30]), /* LR */
- [d8] "m"(GET_FPCTX(uc)->vregs[8]),
- [d9] "m"(GET_FPCTX(uc)->vregs[9]),
- [d10] "m"(GET_FPCTX(uc)->vregs[10]),
- [d11] "m"(GET_FPCTX(uc)->vregs[11]),
- [d12] "m"(GET_FPCTX(uc)->vregs[12]),
- [d13] "m"(GET_FPCTX(uc)->vregs[13]),
- [d14] "m"(GET_FPCTX(uc)->vregs[14]),
- [d15] "m"(GET_FPCTX(uc)->vregs[15]),
- [sp] "m"(uc->uc_mcontext.sp)
- : "x0", "x1", "x2", "x3", "x19", "x20", "x21", "x22", "x23", "x24",
- "x25", "x26", "x27", "x28", "x29", "x30"
- );
+ :
+ : [uc_mcontext] "r"(uc_mcontext),
+ [fpctx] "r"(fpctx)
+ );
}
else
{
--
2.34.1

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@ -0,0 +1,88 @@
From 7bd4fbdea43310e52feb57fb5afab6bec798cc99 Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@arm.com>
Date: Wed, 17 Jan 2024 16:28:39 +0000
Subject: [PATCH 5/5] Handle musl on PPC32
On Linux, glibc and musl disagree over the layout of the ucontext_t
structure. For more details, see the musl mailing list:
https://www.openwall.com/lists/musl/2018/02/22/1
Add conditionals to handle both the glibc and musl layout of the
structures.
Closes #709.
Upstream-Status: Submitted [https://github.com/libunwind/libunwind/pull/710]
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
src/ppc32/Ginit.c | 13 ++++++++++---
src/ppc32/ucontext_i.h | 5 +++++
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/src/ppc32/Ginit.c b/src/ppc32/Ginit.c
index 9444cbb8..5e94ed8a 100644
--- a/src/ppc32/Ginit.c
+++ b/src/ppc32/Ginit.c
@@ -42,6 +42,13 @@ static struct unw_addr_space local_addr_space;
unw_addr_space_t unw_local_addr_space = &local_addr_space;
+/* glibc and musl disagree over the layout of this struct */
+#ifdef __GLIBC__
+#define _UC_MCONTEXT_REGS(x) x->uc_mcontext.uc_regs
+#else
+#define _UC_MCONTEXT_REGS(x) x->uc_regs
+#endif
+
static void *
uc_addr (ucontext_t *uc, int reg)
{
@@ -49,7 +56,7 @@ uc_addr (ucontext_t *uc, int reg)
if ((unsigned) (reg - UNW_PPC32_R0) < 32)
#if defined(__linux__)
- addr = &uc->uc_mcontext.uc_regs->gregs[reg - UNW_PPC32_R0];
+ addr = _UC_MCONTEXT_REGS(&uc)->gregs[reg - UNW_PPC32_R0];
#elif defined(__FreeBSD__)
addr = &uc->uc_mcontext.mc_gpr[reg - UNW_PPC32_R0];
#endif
@@ -58,7 +65,7 @@ uc_addr (ucontext_t *uc, int reg)
if ( ((unsigned) (reg - UNW_PPC32_F0) < 32) &&
((unsigned) (reg - UNW_PPC32_F0) >= 0) )
#if defined(__linux__)
- addr = &uc->uc_mcontext.uc_regs->fpregs.fpregs[reg - UNW_PPC32_F0];
+ addr = _UC_MCONTEXT_REGS(&uc)->fpregs.fpregs[reg - UNW_PPC32_F0];
#elif defined(__FreeBSD__)
addr = &uc->uc_mcontext.mc_fpreg[reg - UNW_PPC32_F0];
#endif
@@ -85,7 +92,7 @@ uc_addr (ucontext_t *uc, int reg)
return NULL;
}
#if defined(__linux__)
- addr = &uc->uc_mcontext.uc_regs->gregs[gregs_idx];
+ addr = _UC_MCONTEXT_REGS(&uc)->gregs[gregs_idx];
#elif defined(__FreeBSD__)
addr = &uc->uc_mcontext.mc_gpr[gregs_idx];
#endif
diff --git a/src/ppc32/ucontext_i.h b/src/ppc32/ucontext_i.h
index ee93c697..cfd8fe0e 100644
--- a/src/ppc32/ucontext_i.h
+++ b/src/ppc32/ucontext_i.h
@@ -44,8 +44,13 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
//#define MQ_IDX 36
#define LINK_IDX 36
+#ifdef __GLIBC__
#define _UC_MCONTEXT_GPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[x] - (void *)&dmy_ctxt) )
#define _UC_MCONTEXT_FPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[x] - (void *)&dmy_ctxt) )
+#else
+#define _UC_MCONTEXT_GPR(x) ( ((void *)&dmy_ctxt.uc_regs->gregs[x] - (void *)&dmy_ctxt) )
+#define _UC_MCONTEXT_FPR(x) ( ((void *)&dmy_ctxt.uc_regs->fpregs.fpregs[x] - (void *)&dmy_ctxt) )
+#endif
/* These are dummy structures used only for obtaining the offsets of the
various structure members. */
--
2.34.1

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@ -1,247 +0,0 @@
From 24c751f9d21e892a9833e1b70a696b07872b0f7f Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 9 Jul 2016 01:07:53 +0000
Subject: [PATCH] ppc32: Consider ucontext mismatches between glibc and
musl
This helps in porting libunwind onto musl based systems
ptrace.h change is required again an error that surfaces
with musl
/mnt/oe/openembedded-core/build/tmp-musl/sysroots/qemuppc/usr/include/asm/ptrace.h:31:8: error: redefinition of 'struct pt_regs'
struct pt_regs {
^~~~~~~
In file included from /mnt/oe/openembedded-core/build/tmp-musl/sysroots/qemuppc/usr/include/sys/user.h:11:0,
from /mnt/oe/openembedded-core/build/tmp-musl/sysroots/qemuppc/usr/include/sys/procfs.h:9,
from ../../git/src/ptrace/_UPT_internal.h:40,
from ../../git/src/ptrace/_UPT_reg_offset.c:27:
/mnt/oe/openembedded-core/build/tmp-musl/sysroots/qemuppc/usr/include/bits/user.h:1:8: note: originally defined here
struct pt_regs {
^~~~~~~
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
src/ppc32/Ginit.c | 6 +-
src/ppc32/ucontext_i.h | 158 ++++++++++++++++++-----------------
src/ptrace/_UPT_reg_offset.c | 7 ++
3 files changed, 92 insertions(+), 79 deletions(-)
diff --git a/src/ppc32/Ginit.c b/src/ppc32/Ginit.c
index 7b45455..f8d6886 100644
--- a/src/ppc32/Ginit.c
+++ b/src/ppc32/Ginit.c
@@ -48,12 +48,12 @@ uc_addr (ucontext_t *uc, int reg)
void *addr;
if ((unsigned) (reg - UNW_PPC32_R0) < 32)
- addr = &uc->uc_mcontext.uc_regs->gregs[reg - UNW_PPC32_R0];
+ addr = &uc->GET_UC_REGS->gregs[reg - UNW_PPC32_R0];
else
if ( ((unsigned) (reg - UNW_PPC32_F0) < 32) &&
((unsigned) (reg - UNW_PPC32_F0) >= 0) )
- addr = &uc->uc_mcontext.uc_regs->fpregs.fpregs[reg - UNW_PPC32_F0];
+ addr = &uc->GET_UC_REGS->fpregs.fpregs[reg - UNW_PPC32_F0];
else
{
@@ -76,7 +76,7 @@ uc_addr (ucontext_t *uc, int reg)
default:
return NULL;
}
- addr = &uc->uc_mcontext.uc_regs->gregs[gregs_idx];
+ addr = &uc->GET_UC_REGS->gregs[gregs_idx];
}
return addr;
}
diff --git a/src/ppc32/ucontext_i.h b/src/ppc32/ucontext_i.h
index c6ba806..b79f15c 100644
--- a/src/ppc32/ucontext_i.h
+++ b/src/ppc32/ucontext_i.h
@@ -46,83 +46,89 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
various structure members. */
static ucontext_t dmy_ctxt UNUSED;
-#define UC_MCONTEXT_GREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[0] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[1] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[2] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[3] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[4] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[5] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[6] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[7] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[8] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[9] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[10] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[11] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[12] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[13] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[14] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[15] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[16] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[17] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[18] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[19] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[20] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[21] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[22] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[23] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[24] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[25] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[26] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[27] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[28] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[29] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[30] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[31] - (void *)&dmy_ctxt)
+#ifdef __GLIBC__
+#define GET_UC_REGS uc_mcontext.uc_regs
+#else
+#define GET_UC_REGS uc_regs
+#endif
+
+#define UC_MCONTEXT_GREGS_R0 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[0] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R1 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[1] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R2 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[2] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R3 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[3] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R4 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[4] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R5 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[5] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R6 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[6] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R7 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[7] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R8 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[8] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R9 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[9] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R10 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[10] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R11 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[11] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R12 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[12] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R13 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[13] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R14 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[14] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R15 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[15] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R16 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[16] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R17 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[17] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R18 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[18] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R19 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[19] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R20 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[20] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R21 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[21] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R22 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[22] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R23 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[23] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R24 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[24] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R25 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[25] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R26 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[26] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R27 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[27] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R28 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[28] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R29 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[29] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R30 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[30] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_R31 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[31] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_MSR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[MSR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_ORIG_GPR3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[ORIG_GPR3_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_CTR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[CTR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_LINK ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[LINK_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_XER ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[XER_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_CCR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[CCR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_SOFTE ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[SOFTE_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_TRAP ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[TRAP_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_DAR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[DAR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_DSISR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[DSISR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_RESULT ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[RESULT_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_MSR ((void *)&dmy_ctxt.GET_UC_REGS->gregs[MSR_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_ORIG_GPR3 ((void *)&dmy_ctxt.GET_UC_REGS->gregs[ORIG_GPR3_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_CTR ((void *)&dmy_ctxt.GET_UC_REGS->gregs[CTR_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_LINK ((void *)&dmy_ctxt.GET_UC_REGS->gregs[LINK_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_XER ((void *)&dmy_ctxt.GET_UC_REGS->gregs[XER_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_CCR ((void *)&dmy_ctxt.GET_UC_REGS->gregs[CCR_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_SOFTE ((void *)&dmy_ctxt.GET_UC_REGS->gregs[SOFTE_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_TRAP ((void *)&dmy_ctxt.GET_UC_REGS->gregs[TRAP_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_DAR ((void *)&dmy_ctxt.GET_UC_REGS->gregs[DAR_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_DSISR ((void *)&dmy_ctxt.GET_UC_REGS->gregs[DSISR_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_RESULT ((void *)&dmy_ctxt.GET_UC_REGS->gregs[RESULT_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[0] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[1] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[2] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[3] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[4] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[5] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[6] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[7] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[8] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[9] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[10] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[11] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[12] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[13] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[14] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[15] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[16] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[17] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[18] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[19] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[20] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[21] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[22] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[23] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[24] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[25] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[26] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[27] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[28] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[29] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[30] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[31] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_FPSCR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[32] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R0 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[0] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R1 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[1] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R2 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[2] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R3 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[3] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R4 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[4] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R5 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[5] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R6 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[6] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R7 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[7] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R8 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[8] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R9 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[9] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R10 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[10] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R11 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[11] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R12 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[12] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R13 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[13] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R14 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[14] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R15 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[15] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R16 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[16] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R17 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[17] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R18 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[18] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R19 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[19] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R20 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[20] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R21 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[21] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R22 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[22] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R23 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[23] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R24 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[24] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R25 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[25] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R26 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[26] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R27 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[27] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R28 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[28] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R29 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[29] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R30 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[30] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R31 ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[31] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_FPSCR ((void *)&dmy_ctxt.GET_UC_REGS->fpregs.fpregs[32] - (void *)&dmy_ctxt)
#endif
diff --git a/src/ptrace/_UPT_reg_offset.c b/src/ptrace/_UPT_reg_offset.c
index b7dd3b7..bfaf756 100644
--- a/src/ptrace/_UPT_reg_offset.c
+++ b/src/ptrace/_UPT_reg_offset.c
@@ -27,6 +27,13 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "_UPT_internal.h"
#include <stddef.h>
+#if !defined(__GLIBC__)
+# define pt_regs uapi_pt_regs
+#endif
+#include <asm/ptrace.h>
+#if !defined(__GLIBC__)
+# undef pt_regs
+#endif
#ifdef HAVE_ASM_PTRACE_H
# include <asm/ptrace.h>

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@ -6,7 +6,7 @@ Subject: [PATCH 2/2] byte order
endian.h on musl/mips can't be included in __ASSEMBLER__ mode,
so use the __BYTE_ORDER__ symbol instead.
Upstream-Status: Pending
Upstream-Status: Submitted [https://github.com/libunwind/libunwind/pull/816]
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
src/mips/getcontext.S | 3 +--

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@ -1,50 +0,0 @@
SUMMARY = "Library for obtaining the call-chain of a program"
DESCRIPTION = "a portable and efficient C programming interface (API) to determine the call-chain of a program"
HOMEPAGE = "http://www.nongnu.org/libunwind"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://COPYING;md5=2d80c8ed4062b8339b715f90fa68cc9f"
DEPENDS += "libatomic-ops"
DEPENDS:append:libc-musl = " libucontext"
SRC_URI = "http://download.savannah.nongnu.org/releases/libunwind/libunwind-${PV}.tar.gz \
file://mips-byte-order.patch \
file://mips-coredump-register.patch \
file://0005-ppc32-Consider-ucontext-mismatches-between-glibc-and.patch \
file://0001-src-Gtrace-remove-unguarded-print-calls.patch \
"
SRC_URI[sha256sum] = "4a6aec666991fb45d0889c44aede8ad6eb108071c3554fcdff671f9c94794976"
inherit autotools multilib_header
COMPATIBLE_HOST:riscv32 = "null"
PACKAGECONFIG ??= ""
PACKAGECONFIG[lzma] = "--enable-minidebuginfo,--disable-minidebuginfo,xz"
PACKAGECONFIG[zlib] = "--enable-zlibdebuginfo,--disable-zlibdebuginfo,zlib"
PACKAGECONFIG[latexdocs] = "--enable-documentation, --disable-documentation, latex2man-native"
EXTRA_OECONF = "--enable-static"
# http://errors.yoctoproject.org/Errors/Details/20487/
ARM_INSTRUCTION_SET:armv4 = "arm"
ARM_INSTRUCTION_SET:armv5 = "arm"
LDFLAGS += "-Wl,-z,relro,-z,now"
SECURITY_LDFLAGS:append:libc-musl = " -lssp_nonshared"
CACHED_CONFIGUREVARS:append:libc-musl = " LDFLAGS='${LDFLAGS} -lucontext'"
do_install:append () {
oe_multilib_header libunwind.h
}
BBCLASSEXTEND = "native"
# http://errors.yoctoproject.org/Errors/Build/183144/
# libunwind-1.6.2/include/tdep-aarch64/libunwind_i.h:123:47: error: passing argument 1 of '_ULaarch64_uc_addr' from incompatible pointer type [-Wincompatible-pointer-types]
# libunwind-1.6.2/src/aarch64/Ginit.c:348:28: error: initialization of 'unw_tdep_context_t *' from incompatible pointer type 'ucontext_t *' [-Wincompatible-pointer-types]
# libunwind-1.6.2/src/aarch64/Ginit.c:377:28: error: initialization of 'unw_tdep_context_t *' from incompatible pointer type 'ucontext_t *' [-Wincompatible-pointer-types]
# libunwind-1.6.2/src/aarch64/Ginit_local.c:51:9: error: assignment to 'ucontext_t *' from incompatible pointer type 'unw_context_t *' {aka 'unw_tdep_context_t *'} [-Wincompatible-pointer-types]
# libunwind-1.6.2/src/aarch64/Gresume.c:37:28: error: initialization of 'unw_tdep_context_t *' from incompatible pointer type 'ucontext_t *' [-Wincompatible-pointer-types]
CFLAGS += "-Wno-error=incompatible-pointer-types"

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@ -0,0 +1,49 @@
SUMMARY = "Library for obtaining the call-chain of a program"
DESCRIPTION = "a portable and efficient C programming interface (API) to determine the call-chain of a program"
HOMEPAGE = "http://www.nongnu.org/libunwind"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://COPYING;md5=2d80c8ed4062b8339b715f90fa68cc9f"
DEPENDS:append:libc-musl = " libucontext"
SRC_URI = "https://github.com/libunwind/libunwind/releases/download/v${PV}/${BP}.tar.gz \
file://mips-byte-order.patch \
file://0001-tests-Garm64-test-sve-signal-check-that-SVE-is-prese.patch \
file://0002-coredump-use-glibc-or-musl-register-names-as-appropr.patch \
file://0003-Fixed-miscompilation-of-unw_getcontext-on-ARM.patch \
file://0004-Rework-inline-aarch64-as-for-setcontext.patch \
file://0005-Handle-musl-on-PPC32.patch \
"
SRC_URI[sha256sum] = "ddf0e32dd5fafe5283198d37e4bf9decf7ba1770b6e7e006c33e6df79e6a6157"
inherit autotools multilib_header
COMPATIBLE_HOST:riscv32 = "null"
PACKAGECONFIG ??= ""
PACKAGECONFIG[lzma] = "--enable-minidebuginfo,--disable-minidebuginfo,xz"
PACKAGECONFIG[zlib] = "--enable-zlibdebuginfo,--disable-zlibdebuginfo,zlib"
PACKAGECONFIG[latexdocs] = "--enable-documentation, --disable-documentation, latex2man-native"
EXTRA_OECONF = "--enable-static"
# http://errors.yoctoproject.org/Errors/Details/20487/
ARM_INSTRUCTION_SET:armv4 = "arm"
ARM_INSTRUCTION_SET:armv5 = "arm"
LDFLAGS += "-Wl,-z,relro,-z,now"
LDFLAGS:append:powerpc:libc-musl = " -latomic"
SECURITY_LDFLAGS:append:libc-musl = " -lssp_nonshared"
CACHED_CONFIGUREVARS:append:libc-musl = " LDFLAGS='${LDFLAGS} -lucontext'"
do_install:append () {
oe_multilib_header libunwind.h
}
BBCLASSEXTEND = "native"
# libunwind-1.8.1/src/elfxx.c:205:44: error: passing argument 3 of '_Uppc32_get_func_addr' from incompatible pointer type [-Wincompatible-pointer-types]
# libunwind-1.8.1/src/elfxx.c:279:52: error: passing argument 3 of '_Uppc32_get_func_addr' from incompatible pointer type [-Wincompatible-pointer-types]
# and others
CFLAGS:append:powerpc:libc-musl = " -Wno-error=incompatible-pointer-types"