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(unexec): Allow sections in any order.

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Adjust addresses of rdata section as well as data section.
This commit is contained in:
Richard M. Stallman 1992-09-11 23:29:02 +00:00
parent ac9a31be41
commit 248a26a710
1 changed files with 15 additions and 11 deletions
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26
src/unexmips.c
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@ -141,18 +141,16 @@ unexec (new_name, a_name, data_start, bss_start, entry_address)
}
#define CHECK_SCNHDR(ptr, name, flags) \
if (strcmp (hdr.section[i].s_name, name) == 0) \
{ \
if (hdr.section[i].s_flags != flags) \
fprintf (stderr, "unexec: %x flags (%x expected) in %s section.\n", \
hdr.section[i].s_flags, flags, name); \
ptr = hdr.section + i; \
i += 1; \
} \
else \
ptr = NULL;
ptr = NULL; \
for (i = 0; i < hdr.fhdr.f_nscns && !ptr; i++) \
if (strcmp (hdr.section[i].s_name, name) == 0) \
{ \
if (hdr.section[i].s_flags != flags) \
fprintf (stderr, "unexec: %x flags (%x expected) in %s section.\n", \
hdr.section[i].s_flags, flags, name); \
ptr = hdr.section + i; \
} \
i = 0;
CHECK_SCNHDR (text_section, _TEXT, STYP_TEXT);
CHECK_SCNHDR (init_section, _INIT, STYP_INIT);
CHECK_SCNHDR (rdata_section, _RDATA, STYP_RDATA);
@ -182,6 +180,12 @@ unexec (new_name, a_name, data_start, bss_start, entry_address)
hdr.aout.bss_start = hdr.aout.data_start + hdr.aout.dsize;
rdata_section->s_size = data_start - DATA_START;
/* Adjust start and virtual addresses of rdata_section, too. */
rdata_section->s_vaddr = DATA_START;
rdata_section->s_paddr = DATA_START;
rdata_section->s_scnptr = text_section->s_scnptr + hdr.aout.tsize;
data_section->s_vaddr = data_start;
data_section->s_paddr = data_start;
data_section->s_size = brk - data_start;