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* dumper.cc (dumper::prepare_core_dump): Record a phdr for each section.

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This commit is contained in:
Corinna Vinschen 2007-05-29 08:08:06 +00:00
parent df1841c310
commit 8a11b13ff0
2 changed files with 62 additions and 3 deletions
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4
winsup/utils/ChangeLog
View File

@ -1,3 +1,7 @@
2007-05-29 Pedro Alves <pedro_alves@portugalmail.pt>
* dumper.cc (dumper::prepare_core_dump): Record a phdr for each section.
2007-05-29 Corinna Vinschen <corinna@vinschen.de> 2007-05-29 Corinna Vinschen <corinna@vinschen.de>
* cygpath.cc (do_options): Allow outputflag combined with other * cygpath.cc (do_options): Allow outputflag combined with other

61
winsup/utils/dumper.cc
View File

@ -1,6 +1,6 @@
/* dumper.cc /* dumper.cc
Copyright 1999, 2001, 2002, 2004, 2006 Red Hat Inc. Copyright 1999, 2001, 2002, 2004, 2006, 2007 Red Hat Inc.
Written by Egor Duda <deo@logos-m.ru> Written by Egor Duda <deo@logos-m.ru>
@ -657,6 +657,8 @@ dumper::prepare_core_dump ()
{ {
sect_no++; sect_no++;
unsigned long phdr_type = PT_LOAD;
switch (p->type) switch (p->type)
{ {
case pr_ent_memory: case pr_ent_memory:
@ -664,7 +666,7 @@ dumper::prepare_core_dump ()
sect_flags = SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD; sect_flags = SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD;
sect_size = p->u.memory.size; sect_size = p->u.memory.size;
sect_vma = (bfd_vma) (p->u.memory.base); sect_vma = (bfd_vma) (p->u.memory.base);
phdr_type = PT_LOAD;
break; break;
case pr_ent_thread: case pr_ent_thread:
@ -672,6 +674,7 @@ dumper::prepare_core_dump ()
sect_flags = SEC_HAS_CONTENTS | SEC_LOAD; sect_flags = SEC_HAS_CONTENTS | SEC_LOAD;
sect_size = sizeof (note_header) + sizeof (struct win32_pstatus); sect_size = sizeof (note_header) + sizeof (struct win32_pstatus);
sect_vma = 0; sect_vma = 0;
phdr_type = PT_NOTE;
break; break;
case pr_ent_module: case pr_ent_module:
@ -680,6 +683,7 @@ dumper::prepare_core_dump ()
sect_size = sizeof (note_header) + sizeof (struct win32_pstatus) + sect_size = sizeof (note_header) + sizeof (struct win32_pstatus) +
(bfd_size_type) (strlen (p->u.module.name)); (bfd_size_type) (strlen (p->u.module.name));
sect_vma = 0; sect_vma = 0;
phdr_type = PT_NOTE;
break; break;
default: default:
@ -722,11 +726,62 @@ dumper::prepare_core_dump ()
}; };
new_section->vma = sect_vma; new_section->vma = sect_vma;
new_section->lma = 0;
new_section->output_section = new_section; new_section->output_section = new_section;
new_section->output_offset = 0; new_section->output_offset = 0;
p->section = new_section; p->section = new_section;
} int section_count = 1;
bfd_boolean filehdr = 0;
bfd_boolean phdrs = 0;
bfd_vma at = 0;
bfd_boolean valid_at = 0;
flagword flags = 0;
bfd_boolean valid_flags = 1;
if (p->type == pr_ent_memory)
{
MEMORY_BASIC_INFORMATION mbi;
if (!VirtualQueryEx (hProcess, (LPVOID)sect_vma, &mbi, sizeof (mbi)))
{
bfd_perror ("getting mem region flags");
goto failed;
}
static const struct
{
DWORD protect;
flagword flags;
} mappings[] =
{
{ PAGE_READONLY, PF_R },
{ PAGE_READWRITE, PF_R | PF_W },
{ PAGE_WRITECOPY, PF_W },
{ PAGE_EXECUTE, PF_X },
{ PAGE_EXECUTE_READ, PF_X | PF_R },
{ PAGE_EXECUTE_READWRITE, PF_X | PF_R | PF_W },
{ PAGE_EXECUTE_WRITECOPY, PF_X | PF_W }
};
for (size_t i = 0;
i < sizeof (mappings) / sizeof (mappings[0]);
i++)
if ((mbi.Protect & mappings[i].protect) != 0)
flags |= mappings[i].flags;
}
if (!bfd_record_phdr (core_bfd, phdr_type,
valid_flags, flags,
valid_at, at,
filehdr, phdrs,
section_count, &new_section))
{
bfd_perror ("recording program headers");
goto failed;
}
}
return 1; return 1;
failed: failed: