linux-user/riscv: Add vdso

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

linux-user/elfload.c

@@ -1892,8 +1892,10 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
 
 #ifdef TARGET_RISCV32
 #define ELF_CLASS ELFCLASS32
+#define VDSO_HEADER "vdso-32.c.inc"
 #else
 #define ELF_CLASS ELFCLASS64
+#define VDSO_HEADER "vdso-64.c.inc"
 #endif
 
 #define ELF_HWCAP get_elf_hwcap()