[Buildroot] [git commit] package/libffi: fix build on powerpc64 with no __int128
Thomas Petazzoni
thomas.petazzoni at bootlin.com
Thu Dec 26 22:22:14 UTC 2019
commit: https://git.buildroot.net/buildroot/commit/?id=c92791dc516406ba23cb0bb703850ade7441c095
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master
Fixes:
- http://autobuild.buildroot.net/results/cb69d82ad1d41f6ea13d289ec2226d9bd5b67984
Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
.../0006-Address-platforms-with-no-__int128.patch | 28 +++++++++++++++
...memcpy-to-help-platforms-with-no-__int128.patch | 42 ++++++++++++++++++++++
2 files changed, 70 insertions(+)
diff --git a/package/libffi/0006-Address-platforms-with-no-__int128.patch b/package/libffi/0006-Address-platforms-with-no-__int128.patch
new file mode 100644
index 0000000000..012c6f0dae
--- /dev/null
+++ b/package/libffi/0006-Address-platforms-with-no-__int128.patch
@@ -0,0 +1,28 @@
+From 6663047f56c2932a6b10a790f4ac6666dd181326 Mon Sep 17 00:00:00 2001
+From: Anthony Green <green at moxielogic.com>
+Date: Fri, 29 Nov 2019 07:00:35 -0500
+Subject: [PATCH] Address platforms with no __int128.
+
+[Retrieved from:
+https://github.com/libffi/libffi/commit/6663047f56c2932a6b10a790f4ac6666dd181326]
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
+---
+ src/powerpc/ffi_linux64.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/powerpc/ffi_linux64.c b/src/powerpc/ffi_linux64.c
+index de0d0337..73647701 100644
+--- a/src/powerpc/ffi_linux64.c
++++ b/src/powerpc/ffi_linux64.c
+@@ -547,9 +547,9 @@ ffi_prep_args64 (extended_cif *ecif, unsigned long *const stack)
+ if (next_arg.ul == gpr_end.ul)
+ next_arg.ul = rest.ul;
+ if (vecarg_count < NUM_VEC_ARG_REGISTERS64 && i < nfixedargs)
+- *vec_base.f128++ = **p_argv.f128;
++ memcpy (vec_base.f128++, *p_argv.f128, sizeof (float128));
+ else
+- *next_arg.f128 = **p_argv.f128;
++ memcpy (next_arg.f128, *p_argv.f128, sizeof (float128));
+ if (++next_arg.f128 == gpr_end.f128)
+ next_arg.f128 = rest.f128;
+ vecarg_count++;
diff --git a/package/libffi/0007-powerpc64-Use-memcpy-to-help-platforms-with-no-__int128.patch b/package/libffi/0007-powerpc64-Use-memcpy-to-help-platforms-with-no-__int128.patch
new file mode 100644
index 0000000000..53036707d2
--- /dev/null
+++ b/package/libffi/0007-powerpc64-Use-memcpy-to-help-platforms-with-no-__int128.patch
@@ -0,0 +1,42 @@
+From e50b9ef8b910fa642ef158f6642e60d54d7ad740 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem at gmail.com>
+Date: Sat, 7 Dec 2019 02:34:14 -0800
+Subject: [PATCH] powerpc64: Use memcpy to help platforms with no __int128.
+ (#534)
+
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+[Retrieved from:
+https://github.com/libffi/libffi/commit/e50b9ef8b910fa642ef158f6642e60d54d7ad740]
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
+---
+ src/powerpc/ffi_linux64.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/powerpc/ffi_linux64.c b/src/powerpc/ffi_linux64.c
+index 73647701..4d50878e 100644
+--- a/src/powerpc/ffi_linux64.c
++++ b/src/powerpc/ffi_linux64.c
+@@ -680,9 +680,9 @@ ffi_prep_args64 (extended_cif *ecif, unsigned long *const stack)
+ {
+ if (vecarg_count < NUM_VEC_ARG_REGISTERS64
+ && i < nfixedargs)
+- *vec_base.f128++ = *arg.f128++;
++ memcpy (vec_base.f128++, arg.f128, sizeof (float128));
+ else
+- *next_arg.f128 = *arg.f128++;
++ memcpy (next_arg.f128, arg.f128++, sizeof (float128));
+ if (++next_arg.f128 == gpr_end.f128)
+ next_arg.f128 = rest.f128;
+ vecarg_count++;
+@@ -986,9 +986,9 @@ ffi_closure_helper_LINUX64 (ffi_cif *cif,
+ do
+ {
+ if (pvec < end_pvec && i < nfixedargs)
+- *to.f128 = *pvec++;
++ memcpy (to.f128, pvec++, sizeof (float128));
+ else
+- *to.f128 = *from.f128;
++ memcpy (to.f128, from.f128, sizeof (float128));
+ to.f128++;
+ from.f128++;
+ }
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