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* config/tc-mips.c (md_begin): If configured for an embedded ELF 

system, don't set the section alignment to 2**4.
	(s_change_sec): Likewise.
	(append_insn): Call record_alignment for the section.
	(md_section_align): Don't align the section size for an embedded
	ELF system.
This commit is contained in:
Ian Lance Taylor 1996-12-13 18:02:35 +00:00
parent 10e31c750e
commit 08e17202ee
2 changed files with 45 additions and 9 deletions
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9
gas/ChangeLog
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@ -1,3 +1,12 @@
Fri Dec 13 13:00:33 1996 Ian Lance Taylor <ian@cygnus.com>
* config/tc-mips.c (md_begin): If configured for an embedded ELF
system, don't set the section alignment to 2**4.
(s_change_sec): Likewise.
(append_insn): Call record_alignment for the section.
(md_section_align): Don't align the section size for an embedded
ELF system.
Thu Dec 12 16:40:47 1996 Ian Lance Taylor <ian@cygnus.com>
* write.c (adjust_reloc_syms): Make sure that symbols are

45
gas/config/tc-mips.c
View File

@ -895,17 +895,23 @@ md_begin ()
mips_cprmask[3] = 0;
/* set the default alignment for the text section (2**2) */
record_alignment (text_section, 2);
if (OUTPUT_FLAVOR != bfd_target_elf_flavour)
record_alignment (text_section, 2);
if (USE_GLOBAL_POINTER_OPT)
bfd_set_gp_size (stdoutput, g_switch_value);
if (OUTPUT_FLAVOR == bfd_target_elf_flavour)
{
/* Sections must be aligned to 16 byte boundaries. */
(void) bfd_set_section_alignment (stdoutput, text_section, 4);
(void) bfd_set_section_alignment (stdoutput, data_section, 4);
(void) bfd_set_section_alignment (stdoutput, bss_section, 4);
/* On a native system, sections must be aligned to 16 byte
boundaries. When configured for an embedded ELF target, we
don't bother. */
if (strcmp (TARGET_OS, "elf") != 0)
{
(void) bfd_set_section_alignment (stdoutput, text_section, 4);
(void) bfd_set_section_alignment (stdoutput, data_section, 4);
(void) bfd_set_section_alignment (stdoutput, bss_section, 4);
}
/* Create a .reginfo section for register masks and a .mdebug
section for debugging information. */
@ -1148,6 +1154,17 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
fixS *fixp;
int nops = 0;
/* Make sure the section will be aligned appropriately. Note that
we do not insert an alignment directive; it remains the user's
responsibility to align instructions if necessary. Here we only
ensure that the section will have the right default alignment, so
that the right thing will happen if no alignment directive is
used. */
if (mips16)
record_alignment (now_seg, 1);
else
record_alignment (now_seg, 2);
prev_pinfo = prev_insn.insn_mo->pinfo;
pinfo = ip->insn_mo->pinfo;
@ -1374,7 +1391,12 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
else if (place != NULL)
f = place;
else if (mips16 && ! ip->use_extend && reloc_type != BFD_RELOC_MIPS16_JMP)
f = frag_more (2);
{
/* Make sure there is enough room to swap this instruction with
a following jump instruction. */
frag_grow (6);
f = frag_more (2);
}
else
f = frag_more (4);
fixp = NULL;
@ -8466,7 +8488,8 @@ s_change_sec (sec)
| SEC_READONLY
| SEC_RELOC
| SEC_DATA));
bfd_set_section_alignment (stdoutput, seg, 4);
if (strcmp (TARGET_OS, "elf") != 0)
bfd_set_section_alignment (stdoutput, seg, 4);
}
demand_empty_rest_of_line ();
}
@ -8487,7 +8510,8 @@ s_change_sec (sec)
bfd_set_section_flags (stdoutput, seg,
SEC_ALLOC | SEC_LOAD | SEC_RELOC
| SEC_DATA);
bfd_set_section_alignment (stdoutput, seg, 4);
if (strcmp (TARGET_OS, "elf") != 0)
bfd_set_section_alignment (stdoutput, seg, 4);
}
demand_empty_rest_of_line ();
break;
@ -8943,7 +8967,10 @@ md_section_align (seg, addr)
#ifdef OBJ_ELF
/* We don't need to align ELF sections to the full alignment.
However, Irix 5 may prefer that we align them at least to a 16
byte boundary. */
byte boundary. We don't bother to align the sections if we are
targeted for an embedded system. */
if (strcmp (TARGET_OS, "elf") == 0)
return addr;
if (align > 4)
align = 4;
#endif