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Take the mapping's segment offset into account when resolving symbols.

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Reported by:	Jenkins, via asomers
MFC after:	2 weeks
This commit is contained in:
Mark Johnston 2018-07-21 22:15:48 +00:00
parent d76b989004
commit 5aa9b11b61
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=336592
1 changed files with 4 additions and 2 deletions
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6
lib/libproc/proc_sym.c
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@ -520,7 +520,8 @@ proc_addr2sym(struct proc_handle *p, uintptr_t addr, char *name,
}
file = mapping->file;
off = file->ehdr.e_type == ET_DYN ? mapping->map.pr_vaddr : 0;
off = file->ehdr.e_type == ET_DYN ?
mapping->map.pr_vaddr - mapping->map.pr_offset : 0;
if (addr < off)
return (ENOENT);
addr -= off;
@ -623,7 +624,8 @@ proc_name2sym(struct proc_handle *p, const char *object, const char *symbol,
}
file = mapping->file;
off = file->ehdr.e_type == ET_DYN ? mapping->map.pr_vaddr : 0;
off = file->ehdr.e_type == ET_DYN ?
mapping->map.pr_vaddr - mapping->map.pr_offset : 0;
error = lookup_symbol_by_name(file->elf, &file->dynsymtab, symbol,
symcopy, si);