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plugins: Drop tcg_flags from struct qemu_plugin_dyn_cb

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As noted by qemu-plugins.h, enum qemu_plugin_cb_flags is
currently unused -- plugins can neither read nor write
guest registers.

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-03-19 14:18:30 -06:00
parent 9a3ee36609
commit c7bb41b44a
4 changed files with 10 additions and 30 deletions
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30
plugins/core.c
View file

@ -295,33 +295,15 @@ void plugin_register_inline_op(GArray **arr,
dyn_cb->inline_insn.imm = imm;
}
static inline uint32_t cb_to_tcg_flags(enum qemu_plugin_cb_flags flags)
{
uint32_t ret;
switch (flags) {
case QEMU_PLUGIN_CB_RW_REGS:
ret = 0;
break;
case QEMU_PLUGIN_CB_R_REGS:
ret = TCG_CALL_NO_WG;
break;
case QEMU_PLUGIN_CB_NO_REGS:
default:
ret = TCG_CALL_NO_RWG;
}
return ret;
}
inline void
plugin_register_dyn_cb__udata(GArray **arr,
qemu_plugin_vcpu_udata_cb_t cb,
enum qemu_plugin_cb_flags flags, void *udata)
void plugin_register_dyn_cb__udata(GArray **arr,
qemu_plugin_vcpu_udata_cb_t cb,
enum qemu_plugin_cb_flags flags,
void *udata)
{
struct qemu_plugin_dyn_cb *dyn_cb = plugin_get_dyn_cb(arr);
dyn_cb->userp = udata;
dyn_cb->tcg_flags = cb_to_tcg_flags(flags);
/* Note flags are discarded as unused. */
dyn_cb->f.vcpu_udata = cb;
dyn_cb->type = PLUGIN_CB_REGULAR;
}
@ -336,7 +318,7 @@ void plugin_register_vcpu_mem_cb(GArray **arr,
dyn_cb = plugin_get_dyn_cb(arr);
dyn_cb->userp = udata;
dyn_cb->tcg_flags = cb_to_tcg_flags(flags);
/* Note flags are discarded as unused. */
dyn_cb->type = PLUGIN_CB_REGULAR;
dyn_cb->rw = rw;
dyn_cb->f.generic = cb;