qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

x86-64: Ignore r_addend for R_X86_64_GLOB_DAT/R_X86_64_JUMP_SLOT 

According to x86-64 psABI, r_addend should be ignored for R_X86_64_GLOB_DAT
and R_X86_64_JUMP_SLOT.  Since linkers always set their r_addends to 0, we
can ignore their r_addends.

Reviewed-by: Fangrui Song <maskray@google.com>
This commit is contained in:
H.J. Lu 2022-05-20 19:21:48 -07:00
parent 9c66efb86f
commit f8587a6189
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sysdeps/x86_64/dl-machine.h
View File

@ -325,11 +325,13 @@ and creates an unsatisfiable circular dependency.\n",
# endif # endif
/* Set to symbol size plus addend. */ /* Set to symbol size plus addend. */
value = sym->st_size; value = sym->st_size;
*reloc_addr = value + reloc->r_addend;
break;
# endif # endif
/* Fall through. */
case R_X86_64_GLOB_DAT: case R_X86_64_GLOB_DAT:
case R_X86_64_JUMP_SLOT: case R_X86_64_JUMP_SLOT:
*reloc_addr = value + reloc->r_addend; *reloc_addr = value;
break; break;
case R_X86_64_DTPMOD64: case R_X86_64_DTPMOD64: