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-rw-r--r--gcc/dwarf2asm.c158
1 files changed, 55 insertions, 103 deletions
diff --git a/gcc/dwarf2asm.c b/gcc/dwarf2asm.c
index 94f0e96..f2cc3c1 100644
--- a/gcc/dwarf2asm.c
+++ b/gcc/dwarf2asm.c
@@ -25,6 +25,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#include "tree.h"
#include "rtl.h"
#include "output.h"
+#include "target.h"
#include "dwarf2asm.h"
#include "dwarf2.h"
#include "splay-tree.h"
@@ -37,50 +38,29 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#define ASM_COMMENT_START ";#"
#endif
-/* We don't have unaligned support, let's hope the normal output works for
- .debug_frame. But we know it won't work for .debug_info. */
-#if !defined(UNALIGNED_INT_ASM_OP) && defined(DWARF2_DEBUGGING_INFO)
- #error DWARF2_DEBUGGING_INFO requires UNALIGNED_INT_ASM_OP.
-#endif
-
-/* Despite the fact that assemble_integer handles unaligned data,
- continue emitting things by hand when possible, since that makes
- the assembler commentary come out prettier. */
-#ifdef UNALIGNED_INT_ASM_OP
-static const char * unaligned_integer_asm_op PARAMS ((int));
-
-static inline const char *
-unaligned_integer_asm_op (size)
+/* Output an unaligned integer with the given value and size. Prefer not
+ to print a newline, since the caller may want to add a comment. */
+
+void
+dw2_assemble_integer (size, x)
int size;
+ rtx x;
{
- const char *op = NULL;
- switch (size)
+ const char *op = integer_asm_op (size, FALSE);
+
+ if (op)
{
- case 1:
- op = ASM_BYTE_OP;
- break;
- case 2:
- op = UNALIGNED_SHORT_ASM_OP;
- break;
- case 4:
- op = UNALIGNED_INT_ASM_OP;
- break;
- case 8:
-#ifdef UNALIGNED_DOUBLE_INT_ASM_OP
- op = UNALIGNED_DOUBLE_INT_ASM_OP;
- break;
-#endif
- default:
- abort ();
+ fputs (op, asm_out_file);
+ if (GET_CODE (x) == CONST_INT)
+ fprintf (asm_out_file, HOST_WIDE_INT_PRINT_HEX, INTVAL (x));
+ else
+ output_addr_const (asm_out_file, x);
}
-
- if (! op)
- abort ();
-
- return op;
+ else
+ assemble_integer (x, size, BITS_PER_UNIT, 1);
}
-#endif /* UNALIGNED_INT_ASM_OP */
+
/* Output an immediate constant in a given size. */
@@ -96,12 +76,7 @@ dw2_asm_output_data VPARAMS ((int size, unsigned HOST_WIDE_INT value,
if (size * 8 < HOST_BITS_PER_WIDE_INT)
value &= ~(~(unsigned HOST_WIDE_INT)0 << (size * 8));
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- fprintf (asm_out_file, HOST_WIDE_INT_PRINT_HEX, value);
-#else
- assemble_integer (GEN_INT (value), size, BITS_PER_UNIT, 1);
-#endif
+ dw2_assemble_integer (size, GEN_INT (value));
if (flag_debug_asm && comment)
{
@@ -129,16 +104,10 @@ dw2_asm_output_delta VPARAMS ((int size, const char *lab1, const char *lab2,
VA_FIXEDARG (ap, const char *, lab2);
VA_FIXEDARG (ap, const char *, comment);
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- assemble_name (asm_out_file, lab1);
- fputc ('-', asm_out_file);
- assemble_name (asm_out_file, lab2);
-#else
- assemble_integer (gen_rtx_MINUS (Pmode, gen_rtx_SYMBOL_REF (Pmode, lab1),
- gen_rtx_SYMBOL_REF (Pmode, lab2)),
- size, BITS_PER_UNIT, 1);
-#endif
+ dw2_assemble_integer (size,
+ gen_rtx_MINUS (Pmode,
+ gen_rtx_SYMBOL_REF (Pmode, lab1),
+ gen_rtx_SYMBOL_REF (Pmode, lab2)));
if (flag_debug_asm && comment)
{
@@ -168,12 +137,7 @@ dw2_asm_output_offset VPARAMS ((int size, const char *label,
#ifdef ASM_OUTPUT_DWARF_OFFSET
ASM_OUTPUT_DWARF_OFFSET (asm_out_file, size, label);
#else
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- assemble_name (asm_out_file, label);
-#else
- assemble_integer (gen_rtx_SYMBOL_REF (Pmode, label), size, BITS_PER_UNIT, 1);
-#endif
+ dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label));
#endif
if (flag_debug_asm && comment)
@@ -202,14 +166,10 @@ dw2_asm_output_pcrel VPARAMS ((int size ATTRIBUTE_UNUSED,
#ifdef ASM_OUTPUT_DWARF_PCREL
ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, label);
#else
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- assemble_name (asm_out_file, label);
- fputc ('-', asm_out_file);
- fputc ('.', asm_out_file);
-#else
- abort ();
-#endif
+ dw2_assemble_integer (size,
+ gen_rtx_MINUS (Pmode,
+ gen_rtx_SYMBOL_REF (Pmode, label),
+ pc_rtx));
#endif
if (flag_debug_asm && comment)
@@ -233,12 +193,7 @@ dw2_asm_output_addr VPARAMS ((int size, const char *label,
VA_FIXEDARG (ap, const char *, label);
VA_FIXEDARG (ap, const char *, comment);
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- assemble_name (asm_out_file, label);
-#else
- assemble_integer (gen_rtx_SYMBOL_REF (Pmode, label), size, BITS_PER_UNIT, 1);
-#endif
+ dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label));
if (flag_debug_asm && comment)
{
@@ -261,12 +216,7 @@ dw2_asm_output_addr_rtx VPARAMS ((int size, rtx addr,
VA_FIXEDARG (ap, rtx, addr);
VA_FIXEDARG (ap, const char *, comment);
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- output_addr_const (asm_out_file, addr);
-#else
- assemble_integer (addr, size, BITS_PER_UNIT, 1);
-#endif
+ dw2_assemble_integer (size, addr);
if (flag_debug_asm && comment)
{
@@ -319,7 +269,7 @@ dw2_asm_output_nstring VPARAMS ((const char *str, size_t orig_len,
len += 1;
ASM_OUTPUT_ASCII (asm_out_file, str, len);
if (orig_len != (size_t) -1)
- fprintf (asm_out_file, "%s0\n", ASM_BYTE_OP);
+ assemble_integer (const0_rtx, 1, BITS_PER_UNIT, 1);
}
VA_CLOSE (ap);
@@ -571,8 +521,10 @@ dw2_asm_output_data_uleb128 VPARAMS ((unsigned HOST_WIDE_INT value,
#else
{
unsigned HOST_WIDE_INT work = value;
+ const char *byte_op = targetm.asm_out.byte_op;
- fputs (ASM_BYTE_OP, asm_out_file);
+ if (byte_op)
+ fputs (byte_op, asm_out_file);
do
{
int byte = (work & 0x7f);
@@ -581,9 +533,14 @@ dw2_asm_output_data_uleb128 VPARAMS ((unsigned HOST_WIDE_INT value,
/* More bytes to follow. */
byte |= 0x80;
- fprintf (asm_out_file, "0x%x", byte);
- if (work != 0)
- fputc (',', asm_out_file);
+ if (byte_op)
+ {
+ fprintf (asm_out_file, "0x%x", byte);
+ if (work != 0)
+ fputc (',', asm_out_file);
+ }
+ else
+ assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1);
}
while (work != 0);
@@ -627,8 +584,10 @@ dw2_asm_output_data_sleb128 VPARAMS ((HOST_WIDE_INT value,
{
HOST_WIDE_INT work = value;
int more, byte;
+ const char *byte_op = targetm.asm_out.byte_op;
- fputs (ASM_BYTE_OP, asm_out_file);
+ if (byte_op)
+ fputs (byte_op, asm_out_file);
do
{
byte = (work & 0x7f);
@@ -639,9 +598,14 @@ dw2_asm_output_data_sleb128 VPARAMS ((HOST_WIDE_INT value,
if (more)
byte |= 0x80;
- fprintf (asm_out_file, "0x%x", byte);
- if (more)
- fputc (',', asm_out_file);
+ if (byte_op)
+ {
+ fprintf (asm_out_file, "0x%x", byte);
+ if (more)
+ fputc (',', asm_out_file);
+ }
+ else
+ assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1);
}
while (more);
@@ -905,12 +869,7 @@ dw2_asm_output_encoded_addr_rtx VPARAMS ((int encoding,
switch (encoding & 0xF0)
{
case DW_EH_PE_absptr:
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- output_addr_const (asm_out_file, addr);
-#else
- assemble_integer (addr, size, BITS_PER_UNIT, 1);
-#endif
+ dw2_assemble_integer (size, addr);
break;
case DW_EH_PE_pcrel:
@@ -919,14 +878,7 @@ dw2_asm_output_encoded_addr_rtx VPARAMS ((int encoding,
#ifdef ASM_OUTPUT_DWARF_PCREL
ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, XSTR (addr, 0));
#else
-#ifdef UNALIGNED_INT_ASM_OP
- fputs (unaligned_integer_asm_op (size), asm_out_file);
- assemble_name (asm_out_file, XSTR (addr, 0));
- fputc ('-', asm_out_file);
- fputc ('.', asm_out_file);
-#else
- abort ();
-#endif
+ dw2_assemble_integer (size, gen_rtx_MINUS (Pmode, addr, pc_rtx));
#endif
break;
generated by cgit v1.1 at 2025-05-31 08:49:13 +0000