[Bug ld/25354] On RISCV64 LD, with EXACTLY 72 headers/sections, PhysAddr for first Program Header is wrong

[wilson at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=25354

--- Comment #2 from Jim Wilson <wilson at gcc dot gnu.org> ---
Sorry, that is the wrong commit id, it is the one immediately after

commit 64029e93683a266c38d19789e780f3748bd6a188                                 
Author: Alan Modra <amodra@gmail.com>                                           
Date:   Fri Oct 5 11:40:54 2018 +0930                                           

    Separate header PT_LOAD for -z separate-code                                

    This patch, along with previous patches in the series, supports             
    putting the ELF file header and program headers in a PT_LOAD without        
    sections.                                                                   

    Logic governing whether headers a loaded has changed a little:  The         
    primary reason to include headers is now the presence of                    
    SIZEOF_HEADERS in a linker script.  However, to support scripts that        
    may have reserved space for headers by hand, we continue to add             
    headers whenever the first section address is past the end of headers       
    modulo page size.                                                           

    include/                                                                    
            * bfdlink.h (struct bfd_link_info): Add load_phdrs field.           
    bfd/                                                                        
            * elf-nacl.c (nacl_modify_segment_map): Cope with header PT_LOAD    
            lacking sections.                                                   
            * elf.c (_bfd_elf_map_sections_to_segments): Assume file and        
            program headers are required when info->load_phdrs.  Reorganize     
            code handling program headers.  Generate a mapping without          
            sections just for file and program headers when -z separate-code    
            would indicate they should be on a different page to the first      
            section.

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