const char *label_prefix;
const char *ofilename;
FILE *output;
- struct triple *vars;
struct file_state *file;
struct occurance *last_occurance;
const char *function;
static size_t field_offset(struct compile_state *state,
struct type *type, struct hash_entry *field)
{
+ struct type *member;
size_t size, align;
if ((type->type & TYPE_MASK) != TYPE_STRUCT) {
internal_error(state, 0, "field_offset only works on structures");
}
size = 0;
- type = type->left;
- while((type->type & TYPE_MASK) == TYPE_PRODUCT) {
- align = align_of(state, type->left);
+ member = type->left;
+ while((member->type & TYPE_MASK) == TYPE_PRODUCT) {
+ align = align_of(state, member->left);
size += needed_padding(size, align);
- if (type->left->field_ident == field) {
- type = type->left;
+ if (member->left->field_ident == field) {
+ member = member->left;
break;
}
- size += size_of(state, type->left);
- type = type->right;
+ size += size_of(state, member->left);
+ member = member->right;
}
- align = align_of(state, type);
+ align = align_of(state, member);
size += needed_padding(size, align);
- if (type->field_ident != field) {
+ if (member->field_ident != field) {
error(state, 0, "member %s not present", field->name);
}
return size;
static struct type *field_type(struct compile_state *state,
struct type *type, struct hash_entry *field)
{
+ struct type *member;
if ((type->type & TYPE_MASK) != TYPE_STRUCT) {
internal_error(state, 0, "field_type only works on structures");
}
- type = type->left;
- while((type->type & TYPE_MASK) == TYPE_PRODUCT) {
- if (type->left->field_ident == field) {
- type = type->left;
+ member = type->left;
+ while((member->type & TYPE_MASK) == TYPE_PRODUCT) {
+ if (member->left->field_ident == field) {
+ member = member->left;
break;
}
- type = type->right;
+ member = member->right;
}
- if (type->field_ident != field) {
+ if (member->field_ident != field) {
error(state, 0, "member %s not present", field->name);
}
- return type;
+ return member;
}
static struct type *next_field(struct compile_state *state,
struct type *type, struct type *prev_member)
{
+ struct type *member;
if ((type->type & TYPE_MASK) != TYPE_STRUCT) {
internal_error(state, 0, "next_field only works on structures");
}
- type = type->left;
- while((type->type & TYPE_MASK) == TYPE_PRODUCT) {
+ member = type->left;
+ while((member->type & TYPE_MASK) == TYPE_PRODUCT) {
if (!prev_member) {
- type = type->left;
+ member = member->left;
break;
}
- if (type->left == prev_member) {
+ if (member->left == prev_member) {
prev_member = 0;
}
- type = type->right;
+ member = member->right;
}
- if (type == prev_member) {
+ if (member == prev_member) {
prev_member = 0;
}
if (prev_member) {
internal_error(state, 0, "prev_member %s not present",
prev_member->field_ident->name);
}
- return type;
+ return member;
}
static struct triple *struct_field(struct compile_state *state,
struct triple *result;
clvalue(state, expr);
+ type = new_type(TYPE_POINTER | (type->type & QUAL_MASK), type, 0);
+
result = 0;
if (expr->op == OP_ADECL) {
error(state, expr, "address of auto variables not supported");
static struct triple *mk_addr_expr(
struct compile_state *state, struct triple *expr, ulong_t offset)
{
- struct type *type;
-
- type = new_type(
- TYPE_POINTER | (expr->type->type & QUAL_MASK),
- expr->type, 0);
-
- return do_mk_addr_expr(state, expr, type, offset);
+ return do_mk_addr_expr(state, expr, expr->type, offset);
}
static struct triple *mk_deref_expr(
return triple(state, OP_DEREF, base_type, expr, 0);
}
+static struct triple *array_to_pointer(struct compile_state *state, struct triple *def)
+{
+ if ((def->type->type & TYPE_MASK) == TYPE_ARRAY) {
+ struct type *type;
+ struct triple *addrconst;
+ type = new_type(
+ TYPE_POINTER | (def->type->type & QUAL_MASK),
+ def->type->left, 0);
+ addrconst = triple(state, OP_ADDRCONST, type, 0, 0);
+ MISC(addrconst, 0) = def;
+ def = addrconst;
+ }
+ return def;
+}
+
static struct triple *deref_field(
struct compile_state *state, struct triple *expr, struct hash_entry *field)
{
return def;
}
/* Tranform an array to a pointer to the first element */
+
#warning "CHECK_ME is this the right place to transform arrays to pointers?"
if ((def->type->type & TYPE_MASK) == TYPE_ARRAY) {
- struct type *type;
- struct triple *result;
- type = new_type(
- TYPE_POINTER | (def->type->type & QUAL_MASK),
- def->type->left, 0);
- result = triple(state, OP_ADDRCONST, type, 0, 0);
- MISC(result, 0) = def;
- return result;
+ return array_to_pointer(state, def);
}
if (is_in_reg(state, def)) {
op = OP_READ;
}
if (!ident || (peek(state) == TOK_LBRACE)) {
ulong_t elements;
+ struct type **next;
elements = 0;
eat(state, TOK_LBRACE);
+ next = &struct_type;
do {
struct type *base_type;
- struct type **next;
int done;
base_type = specifier_qualifier_list(state);
- next = &struct_type;
do {
struct type *type;
struct hash_entry *fident;
default:
internal_error(state, 0, "Undefined storage class");
}
+ if ((type->type & TYPE_MASK) == TYPE_FUNCTION) {
+ error(state, 0, "Function prototypes not supported");
+ }
if (ident &&
((type->type & STOR_MASK) == STOR_STATIC) &&
((type->type & QUAL_CONST) == 0)) {
--- /dev/null
+struct syscall_result {
+ long val;
+ int errno;
+};
+
+static struct syscall_result syscall_return(long result)
+{
+ struct syscall_result res;
+ if (((unsigned long)result) >= ((unsigned long)-125)) {
+ res.errno = - result;
+ res.val = -1;
+ } else {
+ res.errno = 0;
+ res.val = result;
+ }
+ return res;
+}
+
+static struct syscall_result syscall0(unsigned long nr)
+{
+ long res;
+ asm volatile(
+ "int $0x80"
+ : "=a" (res)
+ : "a" (nr));
+ return syscall_return(res);
+}
+
+static struct syscall_result syscall1(unsigned long nr, unsigned long arg1)
+{
+ long res;
+ asm volatile(
+ "int $0x80"
+ : "=a" (res)
+ : "a" (nr), "b" (arg1));
+ return syscall_return(res);
+
+}
+
+static struct syscall_result syscall2(unsigned long nr, unsigned long arg1, unsigned long arg2)
+{
+ long res;
+ asm volatile(
+ "int $0x80"
+ : "=a" (res)
+ : "a" (nr), "b" (arg1), "c" (arg2));
+ return syscall_return(res);
+
+}
+
+
+static struct syscall_result syscall3(unsigned long nr, unsigned long arg1, unsigned long arg2,
+ unsigned long arg3)
+{
+ long res;
+ asm volatile(
+ "int $0x80"
+ : "=a" (res)
+ : "a" (nr), "b" (arg1), "c" (arg2), "d" (arg3));
+ return syscall_return(res);
+
+}
+
+static struct syscall_result syscall4(unsigned long nr, unsigned long arg1, unsigned long arg2,
+ unsigned long arg3, unsigned long arg4)
+{
+ long res;
+ asm volatile(
+ "int $0x80"
+ : "=a" (res)
+ : "a" (nr), "b" (arg1), "c" (arg2), "d" (arg3), "S" (arg4));
+ return syscall_return(res);
+
+}
+
+static struct syscall_result syscall5(unsigned long nr, unsigned long arg1, unsigned long arg2,
+ unsigned long arg3, unsigned long arg4, unsigned long arg5)
+{
+ long res;
+ asm volatile(
+ "int $0x80"
+ : "=a" (res)
+ : "a" (nr), "b" (arg1), "c" (arg2), "d" (arg3),
+ "S" (arg4), "D" (arg5));
+ return syscall_return(res);
+
+}
+
+#define NR_exit 1
+#define NR_fork 2
+#define NR_read 3
+#define NR_write 4
+#define NR_open 5
+#define NR_close 6
+#define NR_waitpid 7
+#define NR_creat 8
+#define NR_link 9
+#define NR_unlink 10
+#define NR_execve 11
+#define NR_chdir 12
+#define NR_time 13
+#define NR_mknod 14
+#define NR_chmod 15
+#define NR_lchown 16
+#define NR_break 17
+#define NR_oldstat 18
+#define NR_lseek 19
+#define NR_getpid 20
+#define NR_mount 21
+#define NR_umount 22
+#define NR_setuid 23
+#define NR_getuid 24
+#define NR_stime 25
+#define NR_ptrace 26
+#define NR_alarm 27
+#define NR_oldfstat 28
+#define NR_pause 29
+#define NR_utime 30
+#define NR_stty 31
+#define NR_gtty 32
+#define NR_access 33
+#define NR_nice 34
+#define NR_ftime 35
+#define NR_sync 36
+#define NR_kill 37
+#define NR_rename 38
+#define NR_mkdir 39
+#define NR_rmdir 40
+#define NR_dup 41
+#define NR_pipe 42
+#define NR_times 43
+#define NR_prof 44
+#define NR_brk 45
+#define NR_setgid 46
+#define NR_getgid 47
+#define NR_signal 48
+#define NR_geteuid 49
+#define NR_getegid 50
+#define NR_acct 51
+#define NR_umount2 52
+#define NR_lock 53
+#define NR_ioctl 54
+#define NR_fcntl 55
+#define NR_mpx 56
+#define NR_setpgid 57
+#define NR_ulimit 58
+#define NR_oldolduname 59
+#define NR_umask 60
+#define NR_chroot 61
+#define NR_ustat 62
+#define NR_dup2 63
+#define NR_getppid 64
+#define NR_getpgrp 65
+#define NR_setsid 66
+#define NR_sigaction 67
+#define NR_sgetmask 68
+#define NR_ssetmask 69
+#define NR_setreuid 70
+#define NR_setregid 71
+#define NR_sigsuspend 72
+#define NR_sigpending 73
+#define NR_sethostname 74
+#define NR_setrlimit 75
+#define NR_getrlimit 76
+#define NR_getrusage 77
+#define NR_gettimeofday 78
+#define NR_settimeofday 79
+#define NR_getgroups 80
+#define NR_setgroups 81
+#define NR_select 82
+#define NR_symlink 83
+#define NR_oldlstat 84
+#define NR_readlink 85
+#define NR_uselib 86
+#define NR_swapon 87
+#define NR_reboot 88
+#define NR_readdir 89
+#define NR_mmap 90
+#define NR_munmap 91
+#define NR_truncate 92
+#define NR_ftruncate 93
+#define NR_fchmod 94
+#define NR_fchown 95
+#define NR_getpriority 96
+#define NR_setpriority 97
+#define NR_profil 98
+#define NR_statfs 99
+#define NR_fstatfs 100
+#define NR_ioperm 101
+#define NR_socketcall 102
+#define NR_syslog 103
+#define NR_setitimer 104
+#define NR_getitimer 105
+#define NR_stat 106
+#define NR_lstat 107
+#define NR_fstat 108
+#define NR_olduname 109
+#define NR_iopl 110
+#define NR_vhangup 111
+#define NR_idle 112
+#define NR_vm86old 113
+#define NR_wait4 114
+#define NR_swapoff 115
+#define NR_sysinfo 116
+#define NR_ipc 117
+#define NR_fsync 118
+#define NR_sigreturn 119
+#define NR_clone 120
+#define NR_setdomainname 121
+#define NR_uname 122
+#define NR_modify_ldt 123
+#define NR_adjtimex 124
+#define NR_mprotect 125
+#define NR_sigprocmask 126
+#define NR_create_module 127
+#define NR_init_module 128
+#define NR_delete_module 129
+#define NR_get_kernel_syms 130
+#define NR_quotactl 131
+#define NR_getpgid 132
+#define NR_fchdir 133
+#define NR_bdflush 134
+#define NR_sysfs 135
+#define NR_personality 136
+#define NR_afs_syscall 137 /* Syscall for Andrew File System */
+#define NR_setfsuid 138
+#define NR_setfsgid 139
+#define NR__llseek 140
+#define NR_getdents 141
+#define NR__newselect 142
+#define NR_flock 143
+#define NR_msync 144
+#define NR_readv 145
+#define NR_writev 146
+#define NR_getsid 147
+#define NR_fdatasync 148
+#define NR__sysctl 149
+#define NR_mlock 150
+#define NR_munlock 151
+#define NR_mlockall 152
+#define NR_munlockall 153
+#define NR_sched_setparam 154
+#define NR_sched_getparam 155
+#define NR_sched_setscheduler 156
+#define NR_sched_getscheduler 157
+#define NR_sched_yield 158
+#define NR_sched_get_priority_max 159
+#define NR_sched_get_priority_min 160
+#define NR_sched_rr_get_interval 161
+#define NR_nanosleep 162
+#define NR_mremap 163
+#define NR_setresuid 164
+#define NR_getresuid 165
+#define NR_vm86 166
+#define NR_query_module 167
+#define NR_poll 168
+#define NR_nfsservctl 169
+#define NR_setresgid 170
+#define NR_getresgid 171
+#define NR_prctl 172
+#define NR_rt_sigreturn 173
+#define NR_rt_sigaction 174
+#define NR_rt_sigprocmask 175
+#define NR_rt_sigpending 176
+#define NR_rt_sigtimedwait 177
+#define NR_rt_sigqueueinfo 178
+#define NR_rt_sigsuspend 179
+#define NR_pread 180
+#define NR_pwrite 181
+#define NR_chown 182
+#define NR_getcwd 183
+#define NR_capget 184
+#define NR_capset 185
+#define NR_sigaltstack 186
+#define NR_sendfile 187
+#define NR_getpmsg 188 /* some people actually want streams */
+#define NR_putpmsg 189 /* some people actually want streams */
+#define NR_vfork 190
+
+typedef long ssize_t;
+typedef unsigned long size_t;
+
+/* Standard file descriptors */
+#define STDIN_FILENO 0 /* Standard input */
+#define STDOUT_FILENO 1 /* Standard output */
+#define STDERR_FILENO 2 /* Standard error output */
+
+static ssize_t write(int fd, const void *buf, size_t count)
+{
+ struct syscall_result res;
+ res = syscall3(NR_write, fd, (unsigned long)buf, count);
+ return res.val;
+}
+
+static void _exit(int status)
+{
+ struct syscall_result res;
+ res = syscall1(NR_exit, status);
+}
+
+static const char *addr_of_char(unsigned char ch)
+{
+ static const char byte[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+ 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+ 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+ 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+ 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+ 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+ 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+ 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+ 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+ 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
+ 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+ 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+ 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+ 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+ 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
+ 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+ 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+ };
+ return byte + ch;
+}
+
+static void console_tx_byte(unsigned char ch)
+{
+ write(STDOUT_FILENO, addr_of_char(ch), 1);
+}
+
+static void console_tx_nibble(unsigned nibble)
+{
+ unsigned char digit;
+ digit = nibble + '0';
+ if (digit > '9') {
+ digit += 39;
+ }
+ console_tx_byte(digit);
+}
+
+static void console_tx_char(unsigned char byte)
+{
+ console_tx_byte(byte);
+}
+
+static void console_tx_hex8(unsigned char value)
+{
+ console_tx_nibble((value >> 4U) & 0x0fU);
+ console_tx_nibble(value & 0x0fU);
+}
+
+static void console_tx_hex16(unsigned short value)
+{
+ console_tx_nibble((value >> 12U) & 0x0FU);
+ console_tx_nibble((value >> 8U) & 0x0FU);
+ console_tx_nibble((value >> 4U) & 0x0FU);
+ console_tx_nibble(value & 0x0FU);
+}
+
+static void console_tx_hex32(unsigned short value)
+{
+ console_tx_nibble((value >> 28U) & 0x0FU);
+ console_tx_nibble((value >> 24U) & 0x0FU);
+ console_tx_nibble((value >> 20U) & 0x0FU);
+ console_tx_nibble((value >> 16U) & 0x0FU);
+ console_tx_nibble((value >> 12U) & 0x0FU);
+ console_tx_nibble((value >> 8U) & 0x0FU);
+ console_tx_nibble((value >> 4U) & 0x0FU);
+ console_tx_nibble(value & 0x0FU);
+}
+
+static void console_tx_string(const char *str)
+{
+ unsigned char ch;
+ while((ch = *str++) != '\0') {
+ console_tx_byte(ch);
+ }
+}
+
+static void print_debug_char(unsigned char byte) { console_tx_char(byte); }
+static void print_debug_hex8(unsigned char value) { console_tx_hex8(value); }
+static void print_debug_hex16(unsigned short value){ console_tx_hex16(value); }
+static void print_debug_hex32(unsigned int value) { console_tx_hex32(value); }
+static void print_debug(const char *str) { console_tx_string(str); }
+
+static void goto_test(void)
+{
+ int i;
+ print_debug("goto_test\n");
+
+ i = 0;
+ goto bottom;
+ {
+ top:
+ print_debug("i = ");
+ print_debug_hex8(i);
+ print_debug("\n");
+
+ i = i + 1;
+ }
+ bottom:
+ if (i < 10) {
+ goto top;
+ }
+}
+
+struct socket_desc {
+ short up;
+ short down;
+ short across;
+};
+
+static void main(void)
+{
+ static const struct socket_desc cpu_socketsA[] = {
+ { .up = 2, .down = -1, .across = 1 }, /* Node 0 */
+ { .up = 3, .down = -1, .across = 0 }, /* Node 1 */
+ { .up = -1, .down = 0, .across = 3 }, /* Node 2 */
+ { .up = -1, .down = 1, .across = 2 } /* Node 3 */
+ };
+ static const struct socket_desc cpu_socketsB[4] = {
+ { 2, -1, 1 }, /* Node 0 */
+ { 3, -1, 0 }, /* Node 1 */
+ { -1, 0, 3 }, /* Node 2 */
+ { -1, 1, 2 } /* Node 3 */
+ };
+ int i;
+ print_debug("cpu_socketA\n");
+ for(i = 0; i < sizeof(cpu_socketsA)/sizeof(cpu_socketsA[0]); i++) {
+ print_debug(".up=");
+ print_debug_hex16(cpu_socketsA[i].up);
+ print_debug(" .down=");
+ print_debug_hex16(cpu_socketsA[i].down);
+ print_debug(" .across=");
+ print_debug_hex16(cpu_socketsA[i].across);
+ print_debug("\n");
+ }
+ print_debug("\ncpu_socketB\n");
+ for(i = 0; i < sizeof(cpu_socketsB)/sizeof(cpu_socketsB[0]); i++) {
+ print_debug(".up=");
+ print_debug_hex16(cpu_socketsB[i].up);
+ print_debug(" .down=");
+ print_debug_hex16(cpu_socketsB[i].down);
+ print_debug(" .across=");
+ print_debug_hex16(cpu_socketsB[i].across);
+ print_debug("\n");
+ }
+ _exit(0);
+}
projects / coreboot.git / commitdiff