target/sparc: Expand gdb_get_regl() in gdb_get_rega()

Convert the gdb_get_rega() macro to an inlined function,
expanding gdb_get_regl() via a TARGET_SPARC64 definition check.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20260219191955.83815-37-philmd@linaro.org>

target/sparc/gdbstub.c

@@ -22,11 +22,14 @@
 #include "cpu.h"
 #include "gdbstub/helpers.h"
 
-#ifdef TARGET_ABI32
-#define gdb_get_rega(buf, val) gdb_get_reg32(buf, val)
+static inline int gdb_get_rega(GByteArray *buf, uint64_t val)
+{
+#if defined(TARGET_ABI32) || !defined(TARGET_SPARC64)
+    return gdb_get_reg32(buf, val);
 #else
-#define gdb_get_rega(buf, val) gdb_get_regl(buf, val)
+    return gdb_get_reg64(buf, val);
 #endif
+}
 
 int sparc_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
 {