diff options
Diffstat (limited to 'gcc/c-ppoutput.c')
| -rw-r--r-- | gcc/c-ppoutput.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/c-ppoutput.c b/gcc/c-ppoutput.c index ef6d8e6d4f3..06816e9b885 100644 --- a/gcc/c-ppoutput.c +++ b/gcc/c-ppoutput.c @@ -57,6 +57,8 @@ static void cb_include (cpp_reader *, fileline, const unsigned char *, const char *, int); static void cb_ident (cpp_reader *, fileline, const cpp_string *); static void cb_def_pragma (cpp_reader *, fileline); +static void cb_read_pch (cpp_reader *pfile, const char *name, + int fd, const char *orig_name); /* Preprocess and output. */ void @@ -106,6 +108,12 @@ init_pp_output (FILE *out_stream) if (flag_dump_includes) cb->include = cb_include; + if (flag_pch_preprocess) + { + cb->valid_pch = c_common_valid_pch; + cb->read_pch = cb_read_pch; + } + if (flag_dump_macros == 'N' || flag_dump_macros == 'D') { cb->define = cb_define; @@ -416,3 +424,17 @@ dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED) return 1; } + +/* Load in the PCH file NAME, open on FD. It was originally searched for + by ORIG_NAME. Also, print out a #include command so that the PCH + file can be loaded when the preprocessed output is compiled. */ + +static void +cb_read_pch (cpp_reader *pfile, const char *name, + int fd, const char *orig_name ATTRIBUTE_UNUSED) +{ + c_common_read_pch (pfile, name, fd, orig_name); + + fprintf (print.outf, "#pragma GCC pch_preprocess \"%s\"\n", name); + print.src_line++; +} |