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Re: A copy/save command ...
- From: Michael Snyder <msnyder at redhat dot com>
- To: Edward Swarthout <Ed dot Swarthout at Motorola dot com>
- Cc: gdb at sources dot redhat dot com
- Date: Fri, 04 Jan 2002 14:09:27 -0800
- Subject: Re: A copy/save command ...
- Organization: Red Hat, Inc.
- References: <firstname.lastname@example.org> <200201042003.g04K3F219582@pacific.somerset.sps.mot.com>
Edward Swarthout wrote:
> From Daniel:
> > Perhaps read/write? But that's still not clear which way is which.
> > load/store would be perfect but load is already used.
> From FChE:
> > and FORMAT could be some bfd-supported forms like "srec" or "binary".
> Couldn't adding binary support to load be considered the same as thing
> as "read"?
AFAIK load already supports binary format. Also srec.
> Then the opposite of load, is dump.
> load/dump FILE SECTIONS(S)
> The trick is to create a way to specify the layout and format of the
> desired sections. Some sort of a reverse "info maint sections".
> gdb> info maint sections
> Exec file:
> `/h1/swarthou/prg/empty/empty1', file type elf32-powerpc.
> 0x10000074->0x10000098 at 0x00000074: .text ALLOC LOAD READONLY CO
> 0x10000098->0x10000098 at 0x00000098: .sdata2 ALLOC LOAD READONLY
> 0x100100a0->0x100100b0 at 0x000000a0: .data ALLOC LOAD DATA HAS_CO
> 0x100100b0->0x100100b0 at 0x000000b0: .sdata ALLOC LOAD DATA HAS_C
> 0x100100b0->0x100100b0 at 0x000000b0: .sbss HAS_CONTENTS
> 0x100100b0->0x100100c0 at 0x000000b0: .bss ALLOC
> Core file:
> `/h1/swarthou/prg/empty/core', file type elf32-powerpc.
> 0x00000000->0x00000654 at 0x000000b4: note0 READONLY HAS_CONTENTS
> 0x00000000->0x000000c0 at 0x0000010c: .reg/14104 HAS_CONTENTS
> 0x00000000->0x000000c0 at 0x0000010c: .reg HAS_CONTENTS
> 0x00000000->0x00000108 at 0x00000600: .reg2/14104 HAS_CONTENTS
> 0x00000000->0x00000108 at 0x00000600: .reg2 HAS_CONTENTS
> 0x10000000->0x10000000 at 0x00001000: load1 ALLOC LOAD READONLY CO
> 0x10010000->0x10011000 at 0x00001000: load2 ALLOC LOAD HAS_CONTENT
> 0x7ffff000->0x80000000 at 0x00002000: load3 ALLOC LOAD CODE HAS_CO
> gdb> load BINFILE1 .bss
> gdb> dump BINFILE2 load1
> would do the desired thing.
> It would be natural to add core file support to load/dump too.
> There is still the issue of how to specify the format (binary,
> elf-core, elf-object, srec, or other bfd type). Maybe some borrow
> the syntax from objcopy or the loader.
> - Ed
> Somerset Design Center