diff options
Diffstat (limited to 'gdb/gcore.c')
| -rw-r--r-- | gdb/gcore.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/gdb/gcore.c b/gdb/gcore.c index d1525ddbb05..b5513728ef5 100644 --- a/gdb/gcore.c +++ b/gdb/gcore.c @@ -1,6 +1,6 @@ /* Generate a core file for the inferior process. - Copyright 2001, 2002, 2003 Free Software Foundation, Inc. + Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of GDB. @@ -314,6 +314,20 @@ gcore_create_callback (CORE_ADDR vaddr, unsigned long size, asection *osec; flagword flags = SEC_ALLOC | SEC_HAS_CONTENTS | SEC_LOAD; + /* If the memory segment has no permissions set, ignore it, otherwise + when we later try to access it for read/write, we'll get an error + or jam the kernel. */ + if (read == 0 && write == 0 && exec == 0) + { + if (info_verbose) + { + fprintf_filtered (gdb_stdout, "Ignore segment, %s bytes at 0x%s\n", + paddr_d (size), paddr_nz (vaddr)); + } + + return 0; + } + if (write == 0) { /* See if this region of memory lies inside a known file on disk. @@ -364,8 +378,8 @@ gcore_create_callback (CORE_ADDR vaddr, unsigned long size, if (info_verbose) { - fprintf_filtered (gdb_stdout, "Save segment, %lld bytes at 0x%s\n", - (long long) size, paddr_nz (vaddr)); + fprintf_filtered (gdb_stdout, "Save segment, %s bytes at 0x%s\n", + paddr_d (size), paddr_nz (vaddr)); } bfd_set_section_size (obfd, osec, size); @@ -450,8 +464,8 @@ gcore_copy_callback (bfd *obfd, asection *osec, void *ignored) if (target_read_memory (bfd_section_vma (obfd, osec), memhunk, size) != 0) - warning ("Memory read failed for corefile section, %ld bytes at 0x%s\n", - (long) size, paddr (bfd_section_vma (obfd, osec))); + warning ("Memory read failed for corefile section, %s bytes at 0x%s\n", + paddr_d (size), paddr (bfd_section_vma (obfd, osec))); if (!bfd_set_section_contents (obfd, osec, memhunk, 0, size)) warning ("Failed to write corefile contents (%s).", bfd_errmsg (bfd_get_error ())); |