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UserspaceEmulator+LibC: Use sys$emuctl() to pass malloc info to UE

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Get rid of the awkward secret handshake sequence between malloc and UE
and simply use sys$emuctl() to notify UE of malloc, free and realloc.
This commit is contained in:
Andreas Kling 2021-03-09 08:56:35 +01:00
parent 4faeaf101c
commit 9588f01739
8 changed files with 44 additions and 90 deletions
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23
Userland/Libraries/LibC/serenity.h
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@ -109,27 +109,4 @@ int serenity_readlink(const char* path, size_t path_length, char* buffer, size_t
int getkeymap(char* name_buffer, size_t name_buffer_size, uint32_t* map, uint32_t* shift_map, uint32_t* alt_map, uint32_t* altgr_map, uint32_t* shift_altgr_map);
int setkeymap(const char* name, const uint32_t* map, uint32_t* const shift_map, const uint32_t* alt_map, const uint32_t* altgr_map, const uint32_t* shift_altgr_map);
#ifdef __i386__
ALWAYS_INLINE void send_secret_data_to_userspace_emulator(uintptr_t data1, uintptr_t data2, uintptr_t data3)
{
asm volatile(
".byte 0xd6\n"
".byte 0xd6\n" ::
: "eax");
asm volatile(
"push %%eax\n"
"push %%ecx\n"
"push %%edx\n"
"pop %%edx\n"
"pop %%ecx\n"
"pop %%eax\n" ::"a"(data1),
"c"(data2), "d"(data3)
: "memory");
}
#elif __x86_64__
ALWAYS_INLINE void send_secret_data_to_userspace_emulator(uintptr_t, uintptr_t, uintptr_t)
{
}
#endif
__END_DECLS