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Rework/update ARM semihosting
[openocd.git] / src / target / nds32.c
diff --git a/src/target/nds32.c b/src/target/nds32.c
index e4bb17f9df278bd736ded0f78c1086476bc01d24..4115ea4f24f7553041859e7c56a63403efa8934f 100644 (file)
--- a/src/target/nds32.c
+++ b/src/target/nds32.c
@@ -2339,63 +2339,66 @@ int nds32_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fil
                fileio_info->identifier = NULL;
        }
 
+       uint32_t reg_r0, reg_r1, reg_r2;
+       nds32_get_mapped_reg(nds32, R0, &reg_r0);
+       nds32_get_mapped_reg(nds32, R1, &reg_r1);
+       nds32_get_mapped_reg(nds32, R2, &reg_r2);
+
        switch (syscall_id) {
                case NDS32_SYSCALL_EXIT:
                        fileio_info->identifier = malloc(5);
                        sprintf(fileio_info->identifier, "exit");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                       fileio_info->param_1 = reg_r0;
                        break;
                case NDS32_SYSCALL_OPEN:
                        {
                                uint8_t filename[256];
                                fileio_info->identifier = malloc(5);
                                sprintf(fileio_info->identifier, "open");
-                               nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                               fileio_info->param_1 = reg_r0;
                                /* reserve fileio_info->param_2 for length of path */
-                               nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_3));
-                               nds32_get_mapped_reg(nds32, R2, &(fileio_info->param_4));
+                               fileio_info->param_3 = reg_r1;
+                               fileio_info->param_4 = reg_r2;
 
-                               target->type->read_buffer(target, fileio_info->param_1,
-                                               256, filename);
+                               target->type->read_buffer(target, reg_r0, 256, filename);
                                fileio_info->param_2 = strlen((char *)filename) + 1;
                        }
                        break;
                case NDS32_SYSCALL_CLOSE:
                        fileio_info->identifier = malloc(6);
                        sprintf(fileio_info->identifier, "close");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                       fileio_info->param_1 = reg_r0;
                        break;
                case NDS32_SYSCALL_READ:
                        fileio_info->identifier = malloc(5);
                        sprintf(fileio_info->identifier, "read");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
-                       nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_2));
-                       nds32_get_mapped_reg(nds32, R2, &(fileio_info->param_3));
+                       fileio_info->param_1 = reg_r0;
+                       fileio_info->param_2 = reg_r1;
+                       fileio_info->param_3 = reg_r2;
                        break;
                case NDS32_SYSCALL_WRITE:
                        fileio_info->identifier = malloc(6);
                        sprintf(fileio_info->identifier, "write");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
-                       nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_2));
-                       nds32_get_mapped_reg(nds32, R2, &(fileio_info->param_3));
+                       fileio_info->param_1 = reg_r0;
+                       fileio_info->param_2 = reg_r1;
+                       fileio_info->param_3 = reg_r2;
                        break;
                case NDS32_SYSCALL_LSEEK:
                        fileio_info->identifier = malloc(6);
                        sprintf(fileio_info->identifier, "lseek");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
-                       nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_2));
-                       nds32_get_mapped_reg(nds32, R2, &(fileio_info->param_3));
+                       fileio_info->param_1 = reg_r0;
+                       fileio_info->param_2 = reg_r1;
+                       fileio_info->param_3 = reg_r2;
                        break;
                case NDS32_SYSCALL_UNLINK:
                        {
                                uint8_t filename[256];
                                fileio_info->identifier = malloc(7);
                                sprintf(fileio_info->identifier, "unlink");
-                               nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                               fileio_info->param_1 = reg_r0;
                                /* reserve fileio_info->param_2 for length of path */
 
-                               target->type->read_buffer(target, fileio_info->param_1,
-                                               256, filename);
+                               target->type->read_buffer(target, reg_r0, 256, filename);
                                fileio_info->param_2 = strlen((char *)filename) + 1;
                        }
                        break;
@@ -2404,61 +2407,57 @@ int nds32_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fil
                                uint8_t filename[256];
                                fileio_info->identifier = malloc(7);
                                sprintf(fileio_info->identifier, "rename");
-                               nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                               fileio_info->param_1 = reg_r0;
                                /* reserve fileio_info->param_2 for length of old path */
-                               nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_3));
+                               fileio_info->param_3 = reg_r1;
                                /* reserve fileio_info->param_4 for length of new path */
 
-                               target->type->read_buffer(target, fileio_info->param_1,
-                                               256, filename);
+                               target->type->read_buffer(target, reg_r0, 256, filename);
                                fileio_info->param_2 = strlen((char *)filename) + 1;
 
-                               target->type->read_buffer(target, fileio_info->param_3,
-                                               256, filename);
+                               target->type->read_buffer(target, reg_r1, 256, filename);
                                fileio_info->param_4 = strlen((char *)filename) + 1;
                        }
                        break;
                case NDS32_SYSCALL_FSTAT:
                        fileio_info->identifier = malloc(6);
                        sprintf(fileio_info->identifier, "fstat");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
-                       nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_2));
+                       fileio_info->param_1 = reg_r0;
+                       fileio_info->param_2 = reg_r1;
                        break;
                case NDS32_SYSCALL_STAT:
                        {
                                uint8_t filename[256];
                                fileio_info->identifier = malloc(5);
                                sprintf(fileio_info->identifier, "stat");
-                               nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                               fileio_info->param_1 = reg_r0;
                                /* reserve fileio_info->param_2 for length of old path */
-                               nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_3));
+                               fileio_info->param_3 = reg_r1;
 
-                               target->type->read_buffer(target, fileio_info->param_1,
-                                               256, filename);
+                               target->type->read_buffer(target, reg_r0, 256, filename);
                                fileio_info->param_2 = strlen((char *)filename) + 1;
                        }
                        break;
                case NDS32_SYSCALL_GETTIMEOFDAY:
                        fileio_info->identifier = malloc(13);
                        sprintf(fileio_info->identifier, "gettimeofday");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
-                       nds32_get_mapped_reg(nds32, R1, &(fileio_info->param_2));
+                       fileio_info->param_1 = reg_r0;
+                       fileio_info->param_2 = reg_r1;
                        break;
                case NDS32_SYSCALL_ISATTY:
                        fileio_info->identifier = malloc(7);
                        sprintf(fileio_info->identifier, "isatty");
-                       nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                       fileio_info->param_1 = reg_r0;
                        break;
                case NDS32_SYSCALL_SYSTEM:
                        {
                                uint8_t command[256];
                                fileio_info->identifier = malloc(7);
                                sprintf(fileio_info->identifier, "system");
-                               nds32_get_mapped_reg(nds32, R0, &(fileio_info->param_1));
+                               fileio_info->param_1 = reg_r0;
                                /* reserve fileio_info->param_2 for length of old path */
 
-                               target->type->read_buffer(target, fileio_info->param_1,
-                                               256, command);
+                               target->type->read_buffer(target, reg_r0, 256, command);
                                fileio_info->param_2 = strlen((char *)command) + 1;
                        }
                        break;
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