[Bug gold/17942] New: -z text should provide more info

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17942

            Bug ID: 17942
           Summary: -z text should provide more info
           Product: binutils
           Version: 2.26 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at google dot com
          Reporter: hjl.tools at gmail dot com
                CC: ian at airs dot com

gold should provide more info to help user identify the issue:

address@hidden pr17935]$ cat foo.s
    .text
    .globl foo
foo:
    .byte 0
    .globl    bar
bar:
    .dc.a    foo
address@hidden pr17935]$ make
gcc -m32 -c  -o foo.o foo.s
ld.gold -m elf_i386 -z text -shared -o libfoo.so foo.o
ld.gold: error: read-only segment has dynamic relocations
Makefile:19: recipe for target 'libfoo.so' failed
make: *** [libfoo.so] Error 1

ld issue a warning:

address@hidden pr17935]$ ./ld -m elf_i386 -z text -shared -o libfoo.so foo.o
./ld: foo.o: warning: relocation against `foo' in readonly section `.text'
./ld: read-only segment has dynamic relocations.
address@hidden pr17935]$ 

It is very useful to identify which input causes the error.

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