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34 lines
1.1 KiB
34 lines
1.1 KiB
2 years ago
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commit f6bc52f080e4a0195c707c01f54e2eae0ff89010
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Author: H.J. Lu <hjl.tools@gmail.com>
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Date: Fri May 20 19:21:48 2022 -0700
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x86-64: Ignore r_addend for R_X86_64_GLOB_DAT/R_X86_64_JUMP_SLOT
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According to x86-64 psABI, r_addend should be ignored for R_X86_64_GLOB_DAT
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and R_X86_64_JUMP_SLOT. Since linkers always set their r_addends to 0, we
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can ignore their r_addends.
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Reviewed-by: Fangrui Song <maskray@google.com>
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(cherry picked from commit f8587a61892cbafd98ce599131bf4f103466f084)
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diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h
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index 94296719d4d9fb82..742682517179fab5 100644
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--- a/sysdeps/x86_64/dl-machine.h
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+++ b/sysdeps/x86_64/dl-machine.h
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@@ -347,11 +347,13 @@ and creates an unsatisfiable circular dependency.\n",
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# endif
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/* Set to symbol size plus addend. */
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value = sym->st_size;
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+ *reloc_addr = value + reloc->r_addend;
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+ break;
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# endif
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- /* Fall through. */
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+
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case R_X86_64_GLOB_DAT:
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case R_X86_64_JUMP_SLOT:
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- *reloc_addr = value + reloc->r_addend;
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+ *reloc_addr = value;
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break;
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# ifndef RESOLVE_CONFLICT_FIND_MAP
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