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| author | Mark Wielaard <mjw@redhat.com> | 2009-04-08 12:35:01 +0200 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2009-04-08 12:35:01 +0200 |
| commit | dc31eb39ab70d9d6b81d1ab02fd49795a4d8f2d0 (patch) | |
| tree | 1af4e750a27f6c1735269a378cce4341a64b0513 /translate.cxx | |
| parent | 07cee54d6fb720d4300972aaff9300ac8028c88d (diff) | |
| download | systemtap-steved-dc31eb39ab70d9d6b81d1ab02fd49795a4d8f2d0.tar.gz systemtap-steved-dc31eb39ab70d9d6b81d1ab02fd49795a4d8f2d0.tar.xz systemtap-steved-dc31eb39ab70d9d6b81d1ab02fd49795a4d8f2d0.zip | |
Omit symbols that have suspicious addresses (before base) from symbol table.
* translate.cxx (dump_unwindsyms): Filter out sym.st_value < base values.
Diffstat (limited to 'translate.cxx')
| -rw-r--r-- | translate.cxx | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/translate.cxx b/translate.cxx index c42097bb..3442703d 100644 --- a/translate.cxx +++ b/translate.cxx @@ -4576,10 +4576,13 @@ dump_unwindsyms (Dwfl_Module *m, // PC's, so we omit undefined or "fake" absolute addresses. // These fake absolute addresses occur in some older i386 // kernels to indicate they are vDSO symbols, not real - // functions in the kernel. + // functions in the kernel. We also omit symbols that have + // suspicious addresses (before base). if ((GELF_ST_TYPE (sym.st_info) == STT_FUNC || GELF_ST_TYPE (sym.st_info) == STT_OBJECT) // PR10000: also need .data - && !(sym.st_shndx == SHN_UNDEF || sym.st_shndx == SHN_ABS)) + && !(sym.st_shndx == SHN_UNDEF + || sym.st_shndx == SHN_ABS + || sym.st_value < base)) { Dwarf_Addr sym_addr = sym.st_value; const char *secname = NULL; |