/* * "Optimize" a list of dependencies as spit out by gcc -MD * for the build framework. * * Original author: * Copyright 2002 by Kai Germaschewski * * This code has been borrowed from kbuild's fixdep (scripts/basic/fixdep.c), * Please check it for detailed explanation. This fixdep borow only the * base transformation of dependecies without the CONFIG mangle. */ #include #include #include #include #include #include #include #include #include char *target; char *depfile; char *cmdline; static void usage(void) { fprintf(stderr, "Usage: fixdep \n"); exit(1); } /* * Print out the commandline prefixed with cmd_ := */ static void print_cmdline(void) { printf("cmd_%s := %s\n\n", target, cmdline); } /* * Important: The below generated source_foo.o and deps_foo.o variable * assignments are parsed not only by make, but also by the rather simple * parser in scripts/mod/sumversion.c. */ static void parse_dep_file(void *map, size_t len) { char *m = map; char *end = m + len; char *p; char s[PATH_MAX]; int is_target, has_target = 0; int saw_any_target = 0; int is_first_dep = 0; while (m < end) { /* Skip any "white space" */ while (m < end && (*m == ' ' || *m == '\\' || *m == '\n')) m++; /* Find next "white space" */ p = m; while (p < end && *p != ' ' && *p != '\\' && *p != '\n') p++; /* Is the token we found a target name? */ is_target = (*(p-1) == ':'); /* Don't write any target names into the dependency file */ if (is_target) { /* The /next/ file is the first dependency */ is_first_dep = 1; has_target = 1; } else if (has_target) { /* Save this token/filename */ memcpy(s, m, p-m); s[p - m] = 0; /* * Do not list the source file as dependency, * so that kbuild is not confused if a .c file * is rewritten into .S or vice versa. Storing * it in source_* is needed for modpost to * compute srcversions. */ if (is_first_dep) { /* * If processing the concatenation of * multiple dependency files, only * process the first target name, which * will be the original source name, * and ignore any other target names, * which will be intermediate temporary * files. */ if (!saw_any_target) { saw_any_target = 1; printf("source_%s := %s\n\n", target, s); printf("deps_%s := \\\n", target); } is_first_dep = 0; } else printf(" %s \\\n", s); } /* * Start searching for next token immediately after the first * "whitespace" character that follows this token. */ m = p + 1; } if (!saw_any_target) { fprintf(stderr, "fixdep: parse error; no targets found\n"); exit(1); } printf("\n%s: $(deps_%s)\n\n", target, target); printf("$(deps_%s):\n", target); } static void print_deps(void) { struct stat st; int fd; void *map; fd = open(depfile, O_RDONLY); if (fd < 0) { fprintf(stderr, "fixdep: error opening depfile: "); perror(depfile); exit(2); } if (fstat(fd, &st) < 0) { fprintf(stderr, "fixdep: error fstat'ing depfile: "); perror(depfile); exit(2); } if (st.st_size == 0) { fprintf(stderr, "fixdep: %s is empty\n", depfile); close(fd); return; } map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); if ((long) map == -1) { perror("fixdep: mmap"); close(fd); return; } parse_dep_file(map, st.st_size); munmap(map, st.st_size); close(fd); } int main(int argc, char **argv) { if (argc != 4) usage(); depfile = argv[1]; target = argv[2]; cmdline = argv[3]; print_cmdline(); print_deps(); return 0; } >6space:mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-03 16:18:51 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-03 16:18:51 -0800
commita0a28644c1cf191e514dd64bf438e69c178b8440 (patch)
tree4a5140d2f13692f91ca012d0eab146e9f366ce95 /drivers/usb/host/ohci-q.c
parenta49e6f584e29785f9e5eb8dd31435746818dd5c4 (diff)
parent6f3e71c0c3f2479e05682e2e563b75decab36591 (diff)
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley: "A single fix this time: a fix for a virtqueue removal bug which only appears to affect S390, but which results in the queue hanging forever thus causing the machine to fail shutdown" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: virtio_scsi: Reject commands when virtqueue is broken
Diffstat (limited to 'drivers/usb/host/ohci-q.c')
/tree/include/sound/ak4117.h?id=1a0bee6c1e788218fd1d141db320db970aace7f0'>ak4117.h
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