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[libc] Cache self handle in libc

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When libc_init iterates the initv values, cache the process' self
handle.
This commit is contained in:
Justin C. Miller
2021-02-04 20:39:45 -08:00
parent b3861decc3
commit fe05d45cde
1 changed files with 5 additions and 1 deletions
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6
src/libraries/libc/arch/x86_64/init_libc.c
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@@ -6,6 +6,7 @@ static size_t __initc = 0;
static struct j6_init_value *__initv = 0; static struct j6_init_value *__initv = 0;
j6_handle_t __handle_sys = j6_handle_invalid; j6_handle_t __handle_sys = j6_handle_invalid;
j6_handle_t __handle_self = j6_handle_invalid;
void void
_get_init(size_t *initc, struct j6_init_value **initv) _get_init(size_t *initc, struct j6_init_value **initv)
@@ -31,7 +32,10 @@ _init_libc(uint64_t *rsp)
if (__initv[i].type == j6_init_handle_other && if (__initv[i].type == j6_init_handle_other &&
__initv[i].handle.type == j6_object_type_system) { __initv[i].handle.type == j6_object_type_system) {
__handle_sys = __initv[i].handle.handle; __handle_sys = __initv[i].handle.handle;
break; }
else if (__initv[i].type == j6_init_handle_self &&
__initv[i].handle.type == j6_object_type_process) {
__handle_self = __initv[i].handle.handle;
} }
} }
} }