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authorMark Mitchell <mark@codesourcery.com>2004-10-26 18:41:52 +0000
committerMark Mitchell <mark@codesourcery.com>2004-10-26 18:41:52 +0000
commitba916c8af2642aebace1778a707e90a6a4f9095f (patch)
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* Makefile.in (earmsymbian.c): Depend on armbpabi.sc, not elf.sc.
* ldexp.h (segment_type): New type. (segments): New variable. * ldexp.c (segments): New variable. (exp_print_token): Handle SEGMENT_START. (fold_binary): Likewise. * ldgram.y (SEGMENT_START): Declare it as a token. (exp): Handle SEGMENT_START. * ldlang.h (lang_address_statement_type): Add segment field. (lang_section_start): Change prototype. * ldlang.c (map_input_to_output_sections): Do not process section assignments if a corresponding SEGMENT_START has already been seen. (lang_section_start): Add segment parameter. * ldlex.l (SEGMENT_START): Add it. * lexsup.c (seg_segment_start): New function. (parse_args): Use it for -Tbss, -Tdata, and -Ttext. * ld.texinfo (SEGMENT_START): Document it. * emulparams/armsymbian.sh (EMBEDDED): Set it. * scripttempl/armbpabi.sc: Use SEGMENT_START to control segment base addresses. Do not map relocations. * NEWS: Mention SEGMENT_START.
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diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 5944f44..597c705 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -4680,6 +4680,16 @@ This function is closely related to @code{ALIGN(@var{exp})}; unless you
use the @code{MEMORY} command to define discontinuous memory for the
output file, the two functions are equivalent.
+@item SEGMENT_START(@var{segment}, @var{default})
+@kindex SEGMENT_START(@var{segment}, @var{default})
+Return the base address of the named @var{segment}. If an explicit
+value has been given for this segment (with a command-line @samp{-T}
+option) that value will be returned; otherwise the value will be
+@var{default}. At present, the @samp{-T} command-line option can only
+be used to set the base address for the ``text'', ``data'', and
+``bss'' sections, but you use @code{SEGMENT_START} with any segment
+name.
+
@item SIZEOF(@var{section})
@kindex SIZEOF(@var{section})
@cindex section size