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Subject[PATCH] Debug fixdep
Date
---
scripts/basic/fixdep.c | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index ea26b23..f1b58d6 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -303,6 +303,9 @@ static void parse_dep_file(void *map, size_t len)
char *p;
char s[PATH_MAX];

+ fprintf(stderr, "map=%p, len=%zx\n", map, len);
+ fprintf(stderr, "m=%p, end=%p\n", m, end);
+ fprintf(stderr, "eh?=%zx\n", (size_t)end - (size_t)len);
p = strchr(m, ':');
if (!p) {
fprintf(stderr, "fixdep: parse error\n");
@@ -314,16 +317,23 @@ static void parse_dep_file(void *map, size_t len)

clear_config();

+ fprintf(stderr, "map=%p, len=%zx, end=%p\n", map, len, end);
while (m < end) {
- while (m < end && (*m == ' ' || *m == '\\' || *m == '\n'))
+ while (m <= end && (*m == ' ' || *m == '\\' || *m == '\n')) {
+ fprintf(stderr, "m=%p\n", m);
m++;
+ }
p = m;
- while (p < end && *p != ' ') p++;
+ fprintf(stderr, "A: p=%p, end=%p, str=%s\n", p, end, p);
+ while (p <= end && *p != ' ') p++;
+ fprintf(stderr, "B: p=%p, end=%p\n", p, end);
if (p == end) {
do p--; while (!isalnum(*p));
+ fprintf(stderr, "c%c ", *p);
p++;
}
memcpy(s, m, p-m); s[p-m] = 0;
+ fprintf(stderr, "C: p=%p, s=%s\n", p, s);
if (strrcmp(s, "include/generated/autoconf.h") &&
strrcmp(s, "arch/um/include/uml-config.h") &&
strrcmp(s, ".ver")) {
@@ -342,6 +352,7 @@ static void print_deps(void)
int fd;
void *map;

+ fprintf(stderr, "file=%s\n", depfile);
fd = open(depfile, O_RDONLY);
if (fd < 0) {
fprintf(stderr, "fixdep: ");
@@ -354,6 +365,7 @@ static void print_deps(void)
close(fd);
return;
}
+ fprintf(stderr, "st.size=%zx\n", st.st_size);
map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if ((long) map == -1) {
perror("fixdep: mmap");
--
1.7.0.4


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