a7c1541a21
This gets rid of the "unexec: unrecognized section __static_data in __DATA segment" error while dumping Emacs.
50 lines
2.4 KiB
Diff
50 lines
2.4 KiB
Diff
http://bazaar.launchpad.net/~naesten/emacs/nextstep-stuff/revision/108961
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diff -ru emacs-24.3-orig/src/unexmacosx.c emacs-24.3/src/unexmacosx.c
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--- emacs-24.3-orig/src/unexmacosx.c 2013-01-01 21:37:17.000000000 +0100
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+++ emacs-24.3/src/unexmacosx.c 2014-08-09 18:39:52.000000000 +0200
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@@ -838,7 +838,7 @@
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if (!(sectp->addr <= (unsigned long)my_edata
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&& my_size <= sectp->size))
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unexec_error ("my_edata is not in section %s", SECT_DATA);
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- if (!unexec_write (sectp->offset, (void *) sectp->addr, my_size))
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+ if (!unexec_write (sectp->offset, (void *) sectp->addr, sectp->size))
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unexec_error ("cannot write section %s", SECT_DATA);
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if (!unexec_copy (sectp->offset + my_size, old_file_offset + my_size,
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sectp->size - my_size))
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@@ -880,6 +880,27 @@
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if (!unexec_write (header_offset, sectp, sizeof (struct section)))
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unexec_error ("cannot write section %.16s's header", sectp->sectname);
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}
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+ else if (strncmp (sectp->sectname, "__bss", 5) == 0
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+ || strncmp (sectp->sectname, "__pu_bss", 8) == 0)
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+ {
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+ sectp->flags = S_REGULAR;
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+
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+ /* These sections are produced by GCC 4.6+.
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+
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+ FIXME: We possibly ought to clear uninitialized local
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+ variables in statically linked libraries like for
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+ SECT_BSS (__bss) above, but setting up the markers we
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+ need in lastfile.c would be rather messy. See
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+ darwin_output_aligned_bss () in gcc/config/darwin.c for
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+ the root of the problem, keeping in mind that the
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+ sections are numbered by their alignment in GCC 4.6, but
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+ by log2(alignment) in GCC 4.7. */
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+
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+ if (!unexec_write (sectp->offset, (void *) sectp->addr, sectp->size))
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+ unexec_error ("cannot copy section %.16s", sectp->sectname);
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+ if (!unexec_write (header_offset, sectp, sizeof (struct section)))
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+ unexec_error ("cannot write section %.16s's header", sectp->sectname);
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+ }
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else if (strncmp (sectp->sectname, "__la_symbol_ptr", 16) == 0
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|| strncmp (sectp->sectname, "__nl_symbol_ptr", 16) == 0
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|| strncmp (sectp->sectname, "__got", 16) == 0
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@@ -891,6 +912,7 @@
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|| strncmp (sectp->sectname, "__program_vars", 16) == 0
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|| strncmp (sectp->sectname, "__mod_init_func", 16) == 0
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|| strncmp (sectp->sectname, "__mod_term_func", 16) == 0
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+ || strncmp (sectp->sectname, "__static_data", 16) == 0
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|| strncmp (sectp->sectname, "__objc_", 7) == 0)
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{
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if (!unexec_copy (sectp->offset, old_file_offset, sectp->size))
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