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Do not dump literal pool when a .section .line directive is encountered.

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This commit is contained in:
Nick Clifton 1999-09-02 10:39:18 +00:00
parent c5089c8475
commit bcef92fa23
2 changed files with 66 additions and 10 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
1999-09-02 Nick Clifton <nickc@cygnus.com>
* config/tc-mcore.c (mcore_s_section): Do not dump literals if a
.section .line directive is encountered.
1999-09-01 Nick Clifton <nickc@cygnus.com>
* config/tc-arm.c (md_section_align): Do not align sections in ELF

61
gas/config/tc-mcore.c
View File

@ -40,6 +40,7 @@ static void mcore_s_literals PARAMS ((int));
static void mcore_cons PARAMS ((int));
static void mcore_float_cons PARAMS ((int));
static void mcore_stringer PARAMS ((int));
static void mcore_fill PARAMS ((int));
static int log2 PARAMS ((unsigned int));
static char * parse_reg PARAMS ((char *, unsigned *));
static char * parse_creg PARAMS ((char *, unsigned *));
@ -194,6 +195,7 @@ const pseudo_typeS md_pseudo_table[] =
{ "single", mcore_float_cons, 'f'},
{ "string", mcore_stringer, 1 },
{ "word", mcore_cons, 2 },
{ "fill", mcore_fill, 0 },
/* Allow for the effect of section changes. */
{ "text", mcore_s_text, 0 },
@ -307,6 +309,40 @@ mcore_stringer (append_zero)
check_literals (2, 0);
}
static void
mcore_fill (unused)
int unused;
{
if (now_seg == text_section)
{
char * str = input_line_pointer;
int size = 1;
int repeat;
repeat = atoi (str);
/* Look to see if a size has been specified. */
while (*str != '\n' && *str != 0 && *str != ',')
++ str;
if (* str == ',')
{
size = atoi (str + 1);
if (size > 8)
size = 8;
else if (size < 0)
size = 0;
}
poolspan += size * repeat;
}
s_fill (unused);
check_literals (2, 0);
}
/* Handle the section changing pseudo-ops. These call through to the
normal implementations, but they dump the literal pool first. */
@ -340,6 +376,21 @@ static void
mcore_s_section (ignore)
int ignore;
{
/* Scan forwards to find the name of the section. If the section
being switched to is ".line" then this is a DWARF1 debug section
which is arbitarily placed inside generated code. In this case
do not dump the literal pool because it is a) inefficient and
b) would require the generation of extra code to jump around the
pool. */
char * ilp = input_line_pointer;
while (*ilp != 0 && isspace(*ilp))
++ ilp;
if (strncmp (ilp, ".line", 5) == 0
&& (isspace (ilp[5]) || *ilp == '\n' || *ilp == '\r'))
;
else
dump_literals (0);
#ifdef OBJ_ELF
@ -1466,7 +1517,7 @@ md_assemble (str)
case JL:
inst = MCORE_INST_JSRI; /* jsri */
input_line_pointer = parse_rt (op_end + 1, & output, 1, & e);
/* parse_rt() calls frag_more for us */
/* parse_rt() calls frag_more for us. */
/* Only do this if we know how to do it ... */
if (e.X_op != O_absent && do_jsri2bsr)
@ -1725,7 +1776,7 @@ md_convert_frag (abfd, sec, fragP)
case C (COND_JUMP, COND12):
case C (UNCD_JUMP, UNCD12):
{
/* Get the address of the end of the instruction */
/* Get the address of the end of the instruction. */
int next_inst = fragP->fr_fix + fragP->fr_address + 2;
unsigned char t0;
int disp = targ_addr - next_inst;
@ -1847,7 +1898,7 @@ md_convert_frag (abfd, sec, fragP)
buffer[6] = 0;
buffer[7] = 0;
/* Make reloc for the long disp */
/* Make reloc for the long disp. */
fix_new (fragP, fragP->fr_fix + 4, 4,
fragP->fr_symbol, fragP->fr_offset, 0, BFD_RELOC_32);
@ -1861,7 +1912,7 @@ md_convert_frag (abfd, sec, fragP)
buffer[4] = 0;
buffer[5] = 0;
/* Make reloc for the long disp */
/* Make reloc for the long disp. */
fix_new (fragP, fragP->fr_fix + 2, 4,
fragP->fr_symbol, fragP->fr_offset, 0, BFD_RELOC_32);
fragP->fr_fix += U32_LEN;
@ -2071,7 +2122,7 @@ md_estimate_size_before_relax (fragP, segment_type)
return fragP->fr_var;
}
/* Put number into target byte order */
/* Put number into target byte order. */
void
md_number_to_chars (ptr, use, nbytes)
char * ptr;