cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

srcpos.h (2948B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
      4 */
      5
      6#ifndef SRCPOS_H
      7#define SRCPOS_H
      8
      9#include <stdio.h>
     10#include <stdbool.h>
     11#include "util.h"
     12
     13struct srcfile_state {
     14	FILE *f;
     15	char *name;
     16	char *dir;
     17	int lineno, colno;
     18	struct srcfile_state *prev;
     19};
     20
     21extern FILE *depfile; /* = NULL */
     22extern struct srcfile_state *current_srcfile; /* = NULL */
     23
     24/**
     25 * Open a source file.
     26 *
     27 * If the source file is a relative pathname, then it is searched for in the
     28 * current directory (the directory of the last source file read) and after
     29 * that in the search path.
     30 *
     31 * We work through the search path in order from the first path specified to
     32 * the last.
     33 *
     34 * If the file is not found, then this function does not return, but calls
     35 * die().
     36 *
     37 * @param fname		Filename to search
     38 * @param fullnamep	If non-NULL, it is set to the allocated filename of the
     39 *			file that was opened. The caller is then responsible
     40 *			for freeing the pointer.
     41 * @return pointer to opened FILE
     42 */
     43FILE *srcfile_relative_open(const char *fname, char **fullnamep);
     44
     45void srcfile_push(const char *fname);
     46bool srcfile_pop(void);
     47
     48/**
     49 * Add a new directory to the search path for input files
     50 *
     51 * The new path is added at the end of the list.
     52 *
     53 * @param dirname	Directory to add
     54 */
     55void srcfile_add_search_path(const char *dirname);
     56
     57struct srcpos {
     58    int first_line;
     59    int first_column;
     60    int last_line;
     61    int last_column;
     62    struct srcfile_state *file;
     63    struct srcpos *next;
     64};
     65
     66#define YYLTYPE struct srcpos
     67
     68#define YYLLOC_DEFAULT(Current, Rhs, N)						\
     69	do {									\
     70		if (N) {							\
     71			(Current).first_line = YYRHSLOC(Rhs, 1).first_line;	\
     72			(Current).first_column = YYRHSLOC(Rhs, 1).first_column;	\
     73			(Current).last_line = YYRHSLOC(Rhs, N).last_line;	\
     74			(Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
     75			(Current).file = YYRHSLOC(Rhs, N).file;			\
     76		} else {							\
     77			(Current).first_line = (Current).last_line =		\
     78				YYRHSLOC(Rhs, 0).last_line;			\
     79			(Current).first_column = (Current).last_column =	\
     80				YYRHSLOC(Rhs, 0).last_column;			\
     81			(Current).file = YYRHSLOC (Rhs, 0).file;		\
     82		}								\
     83		(Current).next = NULL;						\
     84	} while (0)
     85
     86
     87extern void srcpos_update(struct srcpos *pos, const char *text, int len);
     88extern struct srcpos *srcpos_copy(struct srcpos *pos);
     89extern struct srcpos *srcpos_extend(struct srcpos *new_srcpos,
     90				    struct srcpos *old_srcpos);
     91extern char *srcpos_string(struct srcpos *pos);
     92extern char *srcpos_string_first(struct srcpos *pos, int level);
     93extern char *srcpos_string_last(struct srcpos *pos, int level);
     94
     95
     96extern void PRINTF(3, 0) srcpos_verror(struct srcpos *pos, const char *prefix,
     97					const char *fmt, va_list va);
     98extern void PRINTF(3, 4) srcpos_error(struct srcpos *pos, const char *prefix,
     99				      const char *fmt, ...);
    100
    101extern void srcpos_set_line(char *f, int l);
    102
    103#endif /* SRCPOS_H */