In preparation to add more program headers, calculate offset from the
number of phdrs.

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
 tools/perf/util/symbol-elf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 4e7b71e8ac0e..4aec12102e19 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -1682,7 +1682,7 @@ int kcore_copy(const char *from_dir, const char *to_dir)
        struct kcore kcore;
        struct kcore extract;
        int idx = 0, err = -1;
-       off_t offset = page_size, sz, modules_offset = 0;
+       off_t offset, sz, modules_offset = 0;
        struct kcore_copy_info kci = { .stext = 0, };
        char kcore_filename[PATH_MAX];
        char extract_filename[PATH_MAX];
@@ -1710,6 +1710,10 @@ int kcore_copy(const char *from_dir, const char *to_dir)
        if (kcore__copy_hdr(&kcore, &extract, kci.phnum))
                goto out_extract_close;
 
+       offset = gelf_fsize(extract.elf, ELF_T_EHDR, 1, EV_CURRENT) +
+                gelf_fsize(extract.elf, ELF_T_PHDR, kci.phnum, EV_CURRENT);
+       offset = round_up(offset, page_size);
+
        if (kcore__add_phdr(&extract, idx++, offset, kci.kernel_map.addr,
                            kci.kernel_map.len))
                goto out_extract_close;
-- 
1.9.1

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