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MIPS: elf2ecoff: Rewrite main processing loop to switch. 

The if construct was getting hard to read and would be getting even more
complex with the next bug fix.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2015-02-02 01:01:46 +01:00
parent 39148e94e3
commit 06a40ed186
1 changed files with 33 additions and 27 deletions
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60
arch/mips/boot/elf2ecoff.c
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@ -349,39 +349,45 @@ int main(int argc, char *argv[])
for (i = 0; i < ex.e_phnum; i++) {
/* Section types we can ignore... */
if (ph[i].p_type == PT_NULL || ph[i].p_type == PT_NOTE ||
ph[i].p_type == PT_PHDR
|| ph[i].p_type == PT_MIPS_REGINFO)
switch (ph[i].p_type) {
case PT_NULL:
case PT_NOTE:
case PT_PHDR:
case PT_MIPS_REGINFO:
continue;
/* Section types we can't handle... */
else if (ph[i].p_type != PT_LOAD) {
case PT_LOAD:
/* Writable (data) segment? */
if (ph[i].p_flags & PF_W) {
struct sect ndata, nbss;
ndata.vaddr = ph[i].p_vaddr;
ndata.len = ph[i].p_filesz;
nbss.vaddr = ph[i].p_vaddr + ph[i].p_filesz;
nbss.len = ph[i].p_memsz - ph[i].p_filesz;
combine(&data, &ndata, 0);
combine(&bss, &nbss, 1);
} else {
struct sect ntxt;
ntxt.vaddr = ph[i].p_vaddr;
ntxt.len = ph[i].p_filesz;
combine(&text, &ntxt, 0);
}
/* Remember the lowest segment start address. */
if (ph[i].p_vaddr < cur_vma)
cur_vma = ph[i].p_vaddr;
break;
default:
/* Section types we can't handle... */
fprintf(stderr,
"Program header %d type %d can't be converted.\n",
ex.e_phnum, ph[i].p_type);
exit(1);
}
/* Writable (data) segment? */
if (ph[i].p_flags & PF_W) {
struct sect ndata, nbss;
ndata.vaddr = ph[i].p_vaddr;
ndata.len = ph[i].p_filesz;
nbss.vaddr = ph[i].p_vaddr + ph[i].p_filesz;
nbss.len = ph[i].p_memsz - ph[i].p_filesz;
combine(&data, &ndata, 0);
combine(&bss, &nbss, 1);
} else {
struct sect ntxt;
ntxt.vaddr = ph[i].p_vaddr;
ntxt.len = ph[i].p_filesz;
combine(&text, &ntxt, 0);
}
/* Remember the lowest segment start address. */
if (ph[i].p_vaddr < cur_vma)
cur_vma = ph[i].p_vaddr;
}
/* Sections must be in order to be converted... */