GIT binary patch
delta 1345
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delta 1236
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qZ<NlUh`Ofw^Ne9S>WX$;ijJCP(|ap?q2JVD+=;fE1#ar668QsJ{<Wt7
@@ -14,6 +14,52 @@
#endif
#include "vdso-asmoffset.h"
+/* GNU_PROPERTY_RISCV64_* macros from elf.h for use in asm code. */
+#define FEATURE_1_AND 0xc0000000
+
+#define GNU_PROPERTY(type, value) \
+ .section .note.gnu.property, "a"; \
+ .p2align 3; \
+ .word 4; \
+ .word 16; \
+ .word 5; \
+ .asciz "GNU"; \
+ .word type; \
+ .word 4; \
+ .word value; \
+ .word 0; \
+ .text
+
+/* Add GNU property note with the supported features to all asm code
+ where sysdep.h is included. */
+#undef __VALUE_FOR_FEATURE_1_AND
+#if defined (__riscv_zicfilp) || defined (__riscv_zicfiss)
+# if defined (__riscv_zicfilp)
+# if defined (__riscv_zicfiss)
+# define __VALUE_FOR_FEATURE_1_AND 0x3
+# else
+# define __VALUE_FOR_FEATURE_1_AND 0x1
+# endif
+# else
+# if defined (__riscv_zicfiss)
+# define __VALUE_FOR_FEATURE_1_AND 0x2
+# else
+# error "What?"
+# endif
+# endif
+#endif
+
+#if defined (__VALUE_FOR_FEATURE_1_AND)
+GNU_PROPERTY (FEATURE_1_AND, __VALUE_FOR_FEATURE_1_AND)
+#endif
+#undef __VALUE_FOR_FEATURE_1_AND
+
+#ifdef __riscv_zicfilp
+# define LPAD lpad 1
+#else
+# define LPAD
+#endif
+
.text
.macro endf name
@@ -29,6 +75,7 @@
.macro vdso_syscall name, nr
\name:
+ LPAD
raw_syscall \nr
ret
endf \name
@@ -36,6 +83,7 @@ endf \name
__vdso_gettimeofday:
.cfi_startproc
+ LPAD
#ifdef __NR_gettimeofday
raw_syscall __NR_gettimeofday
ret
@@ -86,6 +134,7 @@ vdso_syscall __vdso_getcpu, __NR_getcpu
__vdso_flush_icache:
/* qemu does not need to flush the icache */
+ LPAD
li a0, 0
ret
endf __vdso_flush_icache
@@ -181,6 +230,7 @@ endf __vdso_flush_icache
nop
__vdso_rt_sigreturn:
+ LPAD
raw_syscall __NR_rt_sigreturn
endf __vdso_rt_sigreturn