https://sourceware.org/bugzilla/show_bug.cgi?id=30715
Bug ID: 30715
Summary: VAX: md_create_long_jump() generates jumps using
absolute addressing mode
Product: binutils
Version: 2.39
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: kalvisd at gmail dot com
Target Milestone: ---
Created attachment 15033
--> https://sourceware.org/bugzilla/attachment.cgi?id=15033&action=edit
Test case demonstrating the problem and proposed solution
tc-vax.c:md_create_long_jump(), used as part of the resolution of "broken
words" for the VAX platform, generates jumps using absolute addressing. While
not incorrect, this will result in warnings from the linker when linking a
position-independent shared library, and warnings from NetBSD's dynamic linker
ld.elf_so when the resulting library is loaded. This is seen when compiling
Perl for NetBSD/vax, for example.
When linking the warning is something like
ld: asmfn.o: warning: R_VAX_32 relocation to 0x86f0 from .text section
and when running the resulting program the warning from the dynamic linker is
something like
./libshared.so: text relocations
If the addressing mode is changed to PC-relative, the linkers no longer emit
warnings.
A test case, and a patch proposed as a solution is attached. GNU Make is
required to compile the test case. Compiled using GCC 10.5 and binutils 2.39
for NetBSD 10.99.6
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