This code is only relevant when TCG is present in the build. We're
about to enable the build with --disable-tcg, so avoid the error:

libqemu-aarch64-softmmu.fa.p/target_arm_gdbstub.c.o: in function
`m_sysreg_ptr': ../target/arm/gdbstub.c:356: undefined reference to
`arm_v7m_get_sp_ptr'

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 target/arm/gdbstub.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c
index 78105b8078..36a1d7dbc5 100644
--- a/target/arm/gdbstub.c
+++ b/target/arm/gdbstub.c
@@ -323,6 +323,7 @@ static int arm_gen_dynamic_sysreg_xml(CPUState *cs, int base_reg)
     return cpu->dyn_sysreg_xml.num;
 }
 
+#ifdef CONFIG_TCG
 typedef enum {
     M_SYSREG_MSP,
     M_SYSREG_PSP,
@@ -480,6 +481,7 @@ static int arm_gen_dynamic_m_secextreg_xml(CPUState *cs, int orig_base_reg)
     return cpu->dyn_m_secextreg_xml.num;
 }
 #endif
+#endif /* CONFIG_TCG */
 
 const char *arm_gdb_get_dynamic_xml(CPUState *cs, const char *xmlname)
 {
@@ -554,6 +556,7 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu)
                              arm_gen_dynamic_sysreg_xml(cs, cs->gdb_num_regs),
                              "system-registers.xml", 0);
 
+#ifdef CONFIG_TCG
     if (arm_feature(env, ARM_FEATURE_M)) {
         gdb_register_coprocessor(cs,
             arm_gdb_get_m_systemreg, arm_gdb_set_m_systemreg,
@@ -568,4 +571,5 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu)
         }
 #endif
     }
+#endif
 }
-- 
2.35.3