diff options
Diffstat (limited to 'fs/binfmt_elf.c')
-rw-r--r-- | fs/binfmt_elf.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 97b6e9efeb7f..edd90c49003c 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c | |||
@@ -45,7 +45,7 @@ static unsigned long elf_map(struct file *, unsigned long, struct elf_phdr *, | |||
45 | * don't even try. | 45 | * don't even try. |
46 | */ | 46 | */ |
47 | #ifdef CONFIG_ELF_CORE | 47 | #ifdef CONFIG_ELF_CORE |
48 | static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); | 48 | static int elf_core_dump(struct coredump_params *cprm); |
49 | #else | 49 | #else |
50 | #define elf_core_dump NULL | 50 | #define elf_core_dump NULL |
51 | #endif | 51 | #endif |
@@ -1272,8 +1272,9 @@ static int writenote(struct memelfnote *men, struct file *file, | |||
1272 | } | 1272 | } |
1273 | #undef DUMP_WRITE | 1273 | #undef DUMP_WRITE |
1274 | 1274 | ||
1275 | #define DUMP_WRITE(addr, nr) \ | 1275 | #define DUMP_WRITE(addr, nr) \ |
1276 | if ((size += (nr)) > limit || !dump_write(file, (addr), (nr))) \ | 1276 | if ((size += (nr)) > cprm->limit || \ |
1277 | !dump_write(cprm->file, (addr), (nr))) \ | ||
1277 | goto end_coredump; | 1278 | goto end_coredump; |
1278 | 1279 | ||
1279 | static void fill_elf_header(struct elfhdr *elf, int segs, | 1280 | static void fill_elf_header(struct elfhdr *elf, int segs, |
@@ -1901,7 +1902,7 @@ static struct vm_area_struct *next_vma(struct vm_area_struct *this_vma, | |||
1901 | * and then they are actually written out. If we run out of core limit | 1902 | * and then they are actually written out. If we run out of core limit |
1902 | * we just truncate. | 1903 | * we just truncate. |
1903 | */ | 1904 | */ |
1904 | static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) | 1905 | static int elf_core_dump(struct coredump_params *cprm) |
1905 | { | 1906 | { |
1906 | int has_dumped = 0; | 1907 | int has_dumped = 0; |
1907 | mm_segment_t fs; | 1908 | mm_segment_t fs; |
@@ -1947,7 +1948,7 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un | |||
1947 | * notes. This also sets up the file header. | 1948 | * notes. This also sets up the file header. |
1948 | */ | 1949 | */ |
1949 | if (!fill_note_info(elf, segs + 1, /* including notes section */ | 1950 | if (!fill_note_info(elf, segs + 1, /* including notes section */ |
1950 | &info, signr, regs)) | 1951 | &info, cprm->signr, cprm->regs)) |
1951 | goto cleanup; | 1952 | goto cleanup; |
1952 | 1953 | ||
1953 | has_dumped = 1; | 1954 | has_dumped = 1; |
@@ -2009,14 +2010,14 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un | |||
2009 | #endif | 2010 | #endif |
2010 | 2011 | ||
2011 | /* write out the notes section */ | 2012 | /* write out the notes section */ |
2012 | if (!write_note_info(&info, file, &foffset)) | 2013 | if (!write_note_info(&info, cprm->file, &foffset)) |
2013 | goto end_coredump; | 2014 | goto end_coredump; |
2014 | 2015 | ||
2015 | if (elf_coredump_extra_notes_write(file, &foffset)) | 2016 | if (elf_coredump_extra_notes_write(cprm->file, &foffset)) |
2016 | goto end_coredump; | 2017 | goto end_coredump; |
2017 | 2018 | ||
2018 | /* Align to page */ | 2019 | /* Align to page */ |
2019 | if (!dump_seek(file, dataoff - foffset)) | 2020 | if (!dump_seek(cprm->file, dataoff - foffset)) |
2020 | goto end_coredump; | 2021 | goto end_coredump; |
2021 | 2022 | ||
2022 | for (vma = first_vma(current, gate_vma); vma != NULL; | 2023 | for (vma = first_vma(current, gate_vma); vma != NULL; |
@@ -2033,12 +2034,13 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un | |||
2033 | page = get_dump_page(addr); | 2034 | page = get_dump_page(addr); |
2034 | if (page) { | 2035 | if (page) { |
2035 | void *kaddr = kmap(page); | 2036 | void *kaddr = kmap(page); |
2036 | stop = ((size += PAGE_SIZE) > limit) || | 2037 | stop = ((size += PAGE_SIZE) > cprm->limit) || |
2037 | !dump_write(file, kaddr, PAGE_SIZE); | 2038 | !dump_write(cprm->file, kaddr, |
2039 | PAGE_SIZE); | ||
2038 | kunmap(page); | 2040 | kunmap(page); |
2039 | page_cache_release(page); | 2041 | page_cache_release(page); |
2040 | } else | 2042 | } else |
2041 | stop = !dump_seek(file, PAGE_SIZE); | 2043 | stop = !dump_seek(cprm->file, PAGE_SIZE); |
2042 | if (stop) | 2044 | if (stop) |
2043 | goto end_coredump; | 2045 | goto end_coredump; |
2044 | } | 2046 | } |