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Kernel: Use C++ structured bindings to bind syscall parameters

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Some syscalls have to pass parameters through a struct, since we can
only fit 3 parameters with our calling convention.

This patch makes use of C++ structured binding to clean up the places
where we expand those parameters structs into local variables.
This commit is contained in:
Andreas Kling 2019-11-10 15:32:59 +01:00
parent 7e7451c427
commit 72fae05c07
2 changed files with 44 additions and 61 deletions
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14
Kernel/Syscall.h
View file

@ -9,6 +9,8 @@
extern "C" {
struct timeval;
struct timespec;
struct sockaddr;
typedef u32 socklen_t;
}
#define ENUMERATE_SYSCALLS \
@ -208,8 +210,8 @@ struct SC_sendto_params {
const void* data;
size_t data_length;
int flags;
const void* addr; // const sockaddr*
size_t addr_length; // socklen_t
const sockaddr* addr;
socklen_t addr_length;
};
struct SC_recvfrom_params {
@ -217,8 +219,8 @@ struct SC_recvfrom_params {
void* buffer;
size_t buffer_length;
int flags;
void* addr; // sockaddr*
void* addr_length; // socklen_t*
sockaddr* addr;
socklen_t* addr_length;
};
struct SC_getsockopt_params {
@ -226,7 +228,7 @@ struct SC_getsockopt_params {
int level;
int option;
void* value;
void* value_size; // socklen_t*
socklen_t* value_size;
};
struct SC_setsockopt_params {
@ -234,7 +236,7 @@ struct SC_setsockopt_params {
int level;
int option;
const void* value;
size_t value_size; // socklen_t
socklen_t value_size;
};
void initialize();