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[Bug binutils/25828] nm for pdp11-aout shows symbols undefined or sign-e
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From: |
casner at acm dot org |
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Subject: |
[Bug binutils/25828] nm for pdp11-aout shows symbols undefined or sign-extended to 64 bits |
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Date: |
Wed, 15 Apr 2020 22:57:20 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=25828
--- Comment #1 from Stephen Casner <casner at acm dot org> ---
Created attachment 12462
--> https://sourceware.org/bugzilla/attachment.cgi?id=12462&action=edit
Patch to fix undefined symbols and sign extension
When bfd/pdp11.c was copied from bfd/aoutx.h, the #defines for external symbol
types N_TEXT etc. were #undef'd and then #define'd with new values. But N_STAB
was not changed even though the new value for N_EXT overlapped with it. This
caused aout_link_write_symbols() to treat global symbols referenced in the
source but defined in a linker script as undefined.
Separately, in translate_symbol_table() the 16-bit symbol values were sign
extended to unsigned long (e.g., 64 bits) when they really should be treated as
unsigned so the value remains 16 bits.
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