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graphics/libemf: fix build on riscv64 

Add missing RISC-V specific bits to winnt.h to make the build succeed.
These bits are custom written stubs.

PR:		267395
Approved by:	maintainer timeout
This commit is contained in:
Robert Clausecker 2022-11-11 21:49:16 +01:00 committed by Juraj Lutter
parent 5defaaedd3
commit 2ff55486c6
2 changed files with 85 additions and 2 deletions
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2
graphics/libemf/Makefile
View File

@ -10,8 +10,6 @@ WWW= http://libemf.sourceforge.net/
LICENSE= LGPL21
BROKEN_riscv64= fails to build: ../include/libEMF/wine/winnt.h:77:3: Unknown CPU architecture
OPTIONS_DEFINE= DOCS
USES= cpe libtool

85
graphics/libemf/files/patch-include_libEMF_wine_winnt.h Normal file
View File

@ -0,0 +1,85 @@
--- include/libEMF/wine/winnt.h.orig 2022-10-27 16:15:39 UTC
+++ include/libEMF/wine/winnt.h
@@ -69,6 +69,10 @@
# define WORDS_BIGENDIAN
# define BITFIELDS_BIGENDIAN
# undef ALLOW_UNALIGNED_ACCESS
+#elif defined(__riscv)
+# undef WORDS_BIGENDIAN
+# undef BITFIELDS_BIGENDIAN
+# define ALLOW_UNALIGNED_ACCESS
#elif !defined(RC_INVOKED)
# error Unknown CPU architecture!
#endif
@@ -1581,6 +1585,71 @@ typedef struct _CONTEXT {
} CONTEXT;
#endif /* __e2k__ */
+
+#if __riscv_xlen == 64
+/*
+ * FIXME:
+ *
+ * There is not yet an official CONTEXT structure defined for
+ * RV64, so I just made one up.
+ *
+ */
+
+#define CONTEXT_RV64 0x4000000
+#define CONTEXT_CONTROL (CONTEXT_RV64 | 0x00000001)
+#define CONTEXT_INTEGER (CONTEXT_RV64 | 0x00000002)
+#define CONTEXT_FLOATING_POINT (CONTEXT_RV64 | 0x00000004)
+
+#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_FLOATING_POINT)
+
+#define EXCEPTION_READ_FAULT 0
+#define EXCEPTION_WRITE_FAULT 1
+#define EXCEPTION_EXECUTE_FAULT 8
+
+typedef struct _CONTEXT {
+ ULONG ContextFlags;
+
+ /* This section is specified/returned if the ContextFlags word contains
+ the flag CONTEXT_INTEGER. */
+ ULONGLONG R1;
+ ULONGLONG R2;
+ ULONGLONG R3;
+ ULONGLONG R4;
+ ULONGLONG R5;
+ ULONGLONG R6;
+ ULONGLONG R7;
+ ULONGLONG R8;
+ ULONGLONG R9;
+ ULONGLONG R10;
+ ULONGLONG R12;
+ ULONGLONG R13;
+ ULONGLONG R14;
+ ULONGLONG R15;
+ ULONGLONG R16;
+ ULONGLONG R17;
+ ULONGLONG R18;
+ ULONGLONG R19;
+ ULONGLONG R20;
+ ULONGLONG R21;
+ ULONGLONG R22;
+ ULONGLONG R23;
+ ULONGLONG R24;
+ ULONGLONG R25;
+ ULONGLONG R26;
+ ULONGLONG R27;
+ ULONGLONG R28;
+ ULONGLONG R29;
+ ULONGLONG R30;
+ ULONGLONG R31;
+
+ /* These are selected by CONTEXT_CONTROL */
+ ULONGLONG Pc;
+
+ /* These are selected by CONTEXT_FLOATING_POINT */
+
+} CONTEXT;
+
+#endif /* __riscv */
#if !defined(CONTEXT_FULL) && !defined(RC_INVOKED)
#error You need to define a CONTEXT for your CPU