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authorDavid MacKenzie <djm@cygnus>1994-01-24 21:31:01 +0000
committerDavid MacKenzie <djm@cygnus>1994-01-24 21:31:01 +0000
commitdb2e6adb5b3e3ac5c6e54c9e51cb92b2b421d001 (patch)
tree9758e29edcd38e35e58de2eb08d441669e454123 /binutils
parent5e7eed8d8287d466f5f461da815450cd688dc9c4 (diff)
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* binutils.texi (objdump): Note some limitations of -h section
address printing.
Diffstat (limited to 'binutils')
-rw-r--r--binutils/ChangeLog5
-rw-r--r--binutils/binutils.texi19
2 files changed, 23 insertions, 1 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index cecd866..90c3308 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jan 24 13:29:02 1994 David J. Mackenzie (djm@thepub.cygnus.com)
+
+ * binutils.texi (objdump): Note some limitations of -h section
+ address printing.
+
Sat Jan 22 16:20:46 1994 Stan Shebs (shebs@andros.cygnus.com)
* Makefile.in (MALLOC): Set to emptiness by default.
diff --git a/binutils/binutils.texi b/binutils/binutils.texi
index c59a621..7187b7e 100644
--- a/binutils/binutils.texi
+++ b/binutils/binutils.texi
@@ -731,7 +731,8 @@ objcopy [ -F @var{bfdname} | --target=@var{bfdname} ]
[ -O @var{bfdname} | --output-target=@var{bfdname} ]
[ -S | --strip-all ] [ -g | --strip-debug ]
[ -x | --discard-all ] [ -X | --discard-locals ]
- [ -v | --verbose ] [ -V | --version ] [ --help ]
+ [ -b @var{byte} | --byte=@var{byte} ] [ -v | --verbose ]
+ [ -V | --version ] [ --help ]
@var{infile} [@var{outfile}]
@end smallexample
@@ -789,6 +790,13 @@ Do not copy non-global symbols from the source file.
Do not copy compiler-generated local symbols.
(These usually start with @samp{L} or @samp{.}.)
+@item -b @var{byte}
+@itemx --byte=@var{byte}
+Keep only every @var{byte}th byte of the input file (header data is not
+affected). @var{byte} can be in the range from 0 to 3. This option is
+useful for creating files to program 4 ROMs to create 32-bit words. It
+is typically used with an @code{srec} output target.
+
@item -V
@itemx --version
Show the version number of @code{objcopy}.
@@ -879,6 +887,15 @@ each of the @var{objfile} files.
Display summary information from the section headers of the
object file.
+File segments may be relocated to nonstandard addresses, for example by
+using the @samp{-Ttext}, @samp{-Tdata}, or @samp{-Tbss} options to
+@code{ld}. However, some object file formats, such as a.out, do not
+store the starting address of the file segments. In those situations,
+although @code{ld} relocates the sections correctly, using @samp{objdump
+-h} to list the file section headers cannot show the correct addresses.
+Instead, it shows the usual addresses, which are implicit for the
+target.
+
@item --help
Print a summary of the options to @code{objdump} and exit.