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target/arm7tdmi: fix memory leak of register cache

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There is no method to free the register cache, allocated in
arm7tdmi_init_target(), so we get a memory leak.
Issue identified by tracking all calls to arm_build_reg_cache().

Implement the method arm7tdmi_deinit_target() that in turn calls
arm7tdmi_free_reg_cache().

NOT TESTED on a real arm7tdmi target.
Tested on a arm926ejs (SPEAr320) by hacking the target type and
pretending it is a arm7tdmi:
	sed -i s/arm926ejs/arm7tdmi/ tcl/target/spear3xx.cfg

Change-Id: Iad465b708eb4ebb298725d7155fea76357e9045c
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5696
Tested-by: jenkins
This commit is contained in:
Antonio Borneo
2020-05-25 10:58:40 +02:00
parent df1dcc27ee
commit 19aa77cc7f
2 changed files with 14 additions and 0 deletions
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src/target/arm7tdmi.h
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@@ -28,5 +28,6 @@ int arm7tdmi_init_arch_info(struct target *target,
struct arm7_9_common *arm7_9, struct jtag_tap *tap);
int arm7tdmi_init_target(struct command_context *cmd_ctx,
struct target *target);
void arm7tdmi_deinit_target(struct target *target);
#endif /* OPENOCD_TARGET_ARM7TDMI_H */