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authorPaul Brook <paul@codesourcery.com>2004-09-17 12:35:00 +0000
committerPaul Brook <paul@codesourcery.com>2004-09-17 12:35:00 +0000
commiteb043451b1652de2a6746d75603467e9cf955718 (patch)
tree394d0278565b3c9abe661f4535532f88f3c75c35 /gas
parent3674e28ad07f67fd87b8d04cb36d27b0b7f75d65 (diff)
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bfd/
* bfd-in.h (bfd_elf32_arm_set_target_relocs): Add prototype. (bfd_elf32_arm_process_before_allocation): Update prototype. * bfd-in2.h: Regenerate. * bfd/elf32-arm.h (elf32_arm_link_hash_table): Add target2_reloc. (elf32_arm_link_hash_table_create): Set it. (bfd_elf32_arm_process_before_allocation): Remove target1_is_rel. (bfd_elf32_arm_set_target_relocs): New function. (arm_real_reloc_type): New function. (elf32_arm_final_link_relocate): Use it. Handle R_ARM_PREL31 and R_ARM_GOT_PREL. Remove R_ARM_TARGET1. (elf32_arm_gc_sweep_hook): Ditto. (elf32_arm_check_relocs): Ditto. (elf32_arm_relocate_section): Handle R_ARM_GOT_PREL. * elfarm-nabi.c (elf32_arm_howto_table): Add R_ARM_PREL31 and R_ARM_GOT_TARGET2. (elf32_arm_got_prel): New variable. (elf32_arm_howto_from_type): New function. (elf32_arm_info_to_howto): Use it. (elf32_arm_reloc_map): Add BFD_RELOC_ARM_PREL31 and BFD_RELOC_ARM_TARGET2. * libbfd.h: Regenerate. * reloc.c: Add BFD_RELOC_ARM_TARGET2 and BFD_RELOC_ARM_PREL31. gas/ * config/tc-arm.c (s_arm_rel31): New funciton. (md_pseudo_table): Add .rel31. (md_apply_fix3): Handle BFD_RELOC_ARM_TARGET2, BFD_RELOC_32_PCREL and BFD_RELOC_ARM_PREL31. (tc_gen_reloc): Handle BFD_RELOC_ARM_PREL31 and BFD_RELOC_ARM_TARGET2. (arm_fix_adjustable): Return 0 for BFD_RELOC_ARM_TARGET2. (arm_parse_reloc): Add (target2). gas/testsuite/ * gas/arm/pic.s: Add (target2). * gas/arm/pic.d: Ditto. include/ * elf/arm.h: Remove R_ARM_STKCHK and R_ARM_THM_STKCHK. Add R_ARM_TARGET2, R_ARM_PREL31, R_ARM_GOT_ABS, R_ARM_GOT_PREL, R_ARM_GOT_BREL12, R_ARM_GOTOFF12 and R_ARM_GOTRELAX. ld/ * ld.texinfo: Rename arm-specific section. Document --target* * emulparams/armelf_fbsd.sh: Set TARGET2_TYPE. * emulparams/armelf_linux.sh: Ditto. * emulparams/armelf_nbsd.sh: Ditto. * emultempl/armelf.em: Set default for TARGET2_TYPE. (target2_type): New variable. (arm_elf_before_allocation): Don't pass target1_type. (arm_elf_create_output_section_statements): New function. (PARSE_AND_LIST_PROLOGUE): Add OPTION_TARGET2. (PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add --target=. (PARSE_AND_LIST_ARGS_CASES): Handle OPTION_TARGET2. (LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS): Set. * emultempl/armelf_oabi.em (_before_allocation): Remove extra argument to bfd_elf32_arm_process_before_allocation. ld/testsuite/ * ld-arm/arm-target1-{abs,rel}.d}: New files. * ld-arm/arm-target1.s: New file. * ld-arm/arm-target2-{,got-}rel.d: New files. * ld-arm/arm-target2.s: New file. * ld-arm/arm-rel31.d: New files. * ld-arm/arm-rel31.s: New files. * ld-arm/arm.ld: New file. * ld-arm/arm-elf.exp: Add new tests.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog10
-rw-r--r--gas/config/tc-arm.c68
-rw-r--r--gas/testsuite/ChangeLog5
-rw-r--r--gas/testsuite/gas/arm/pic.d1
-rw-r--r--gas/testsuite/gas/arm/pic.s1
5 files changed, 84 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2ccb27c..2a4f37f 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,13 @@
+2004-09-17 Paul Brook <paul@codesourcery.com>
+
+ * config/tc-arm.c (s_arm_rel31): New funciton.
+ (md_pseudo_table): Add .rel31.
+ (md_apply_fix3): Handle BFD_RELOC_ARM_TARGET2,
+ BFD_RELOC_32_PCREL and BFD_RELOC_ARM_PREL31.
+ (tc_gen_reloc): Handle BFD_RELOC_ARM_PREL31 and BFD_RELOC_ARM_TARGET2.
+ (arm_fix_adjustable): Return 0 for BFD_RELOC_ARM_TARGET2.
+ (arm_parse_reloc): Add (target2).
+
2004-09-17 Alan Modra <amodra@bigpond.net.au>
* Makefile.am: Run "make dep-am".
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index faa628b..b0dbff7 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -2445,6 +2445,7 @@ static void s_thumb_func PARAMS ((int));
static void s_thumb_set PARAMS ((int));
#ifdef OBJ_ELF
static void s_arm_elf_cons PARAMS ((int));
+static void s_arm_rel31 (int nbytes);
#endif
static int my_get_expression PARAMS ((expressionS *, char **));
@@ -2468,6 +2469,7 @@ const pseudo_typeS md_pseudo_table[] =
#ifdef OBJ_ELF
{ "word", s_arm_elf_cons, 4 },
{ "long", s_arm_elf_cons, 4 },
+ { "rel31", s_arm_rel31, 0 },
#else
{ "word", cons, 4},
#endif
@@ -12481,6 +12483,7 @@ md_apply_fix3 (fixP, valP, seg)
#ifdef OBJ_ELF
case BFD_RELOC_ARM_GOT32:
case BFD_RELOC_ARM_GOTOFF:
+ case BFD_RELOC_ARM_TARGET2:
md_number_to_chars (buf, 0, 4);
break;
#endif
@@ -12490,6 +12493,7 @@ md_apply_fix3 (fixP, valP, seg)
case BFD_RELOC_ARM_TARGET1:
case BFD_RELOC_ARM_ROSEGREL32:
case BFD_RELOC_ARM_SBREL32:
+ case BFD_RELOC_32_PCREL:
if (fixP->fx_done || fixP->fx_pcrel)
md_number_to_chars (buf, value, 4);
#ifdef OBJ_ELF
@@ -12502,6 +12506,20 @@ md_apply_fix3 (fixP, valP, seg)
break;
#ifdef OBJ_ELF
+ case BFD_RELOC_ARM_PREL31:
+ if (fixP->fx_done || fixP->fx_pcrel)
+ {
+ newval = md_chars_to_number (buf, 4) & 0x80000000;
+ if ((value ^ (value >> 1)) & 0x40000000)
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("rel31 relocation overflow"));
+ }
+ newval |= value & 0x7fffffff;
+ md_number_to_chars (buf, newval, 4);
+ }
+ break;
+
case BFD_RELOC_ARM_PLT32:
/* It appears the instruction is fully prepared at this point. */
break;
@@ -12780,6 +12798,8 @@ tc_gen_reloc (section, fixp)
case BFD_RELOC_ARM_TARGET1:
case BFD_RELOC_ARM_ROSEGREL32:
case BFD_RELOC_ARM_SBREL32:
+ case BFD_RELOC_ARM_PREL31:
+ case BFD_RELOC_ARM_TARGET2:
code = fixp->fx_r_type;
break;
#endif
@@ -14090,7 +14110,8 @@ arm_fix_adjustable (fixP)
/* Don't allow symbols to be discarded on GOT related relocs. */
if (fixP->fx_r_type == BFD_RELOC_ARM_PLT32
|| fixP->fx_r_type == BFD_RELOC_ARM_GOT32
- || fixP->fx_r_type == BFD_RELOC_ARM_GOTOFF)
+ || fixP->fx_r_type == BFD_RELOC_ARM_GOTOFF
+ || fixP->fx_r_type == BFD_RELOC_ARM_TARGET2)
return 0;
return 1;
@@ -14151,6 +14172,7 @@ arm_parse_reloc ()
MAP ("(plt)", BFD_RELOC_ARM_PLT32),
MAP ("(target1)", BFD_RELOC_ARM_TARGET1),
MAP ("(sbrel)", BFD_RELOC_ARM_SBREL32),
+ MAP ("(target2)", BFD_RELOC_ARM_TARGET2),
{ NULL, 0, BFD_RELOC_UNUSED }
#undef MAP
};
@@ -14225,6 +14247,50 @@ s_arm_elf_cons (nbytes)
demand_empty_rest_of_line ();
}
+
+/* Parse a .rel31 directive. */
+
+static void
+s_arm_rel31 (int ignored ATTRIBUTE_UNUSED)
+{
+ expressionS exp;
+ char *p;
+ valueT highbit;
+
+ SKIP_WHITESPACE ();
+
+ highbit = 0;
+ if (*input_line_pointer == '1')
+ highbit = 0x80000000;
+ else if (*input_line_pointer != '0')
+ as_bad (_("expected 0 or 1"));
+
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != ',')
+ as_bad (_("missing comma"));
+ input_line_pointer++;
+
+#ifdef md_flush_pending_output
+ md_flush_pending_output ();
+#endif
+
+#ifdef md_cons_align
+ md_cons_align (4);
+#endif
+
+ mapping_state (MAP_DATA);
+
+ expression (&exp);
+
+ p = frag_more (4);
+ md_number_to_chars (p, highbit, 4);
+ fix_new_arm (frag_now, p - frag_now->fr_literal, 4, &exp, 1,
+ BFD_RELOC_ARM_PREL31);
+
+ demand_empty_rest_of_line ();
+}
+
#endif /* OBJ_ELF */
/* This is called from HANDLE_ALIGN in write.c. Fill in the contents
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index c2e4663..2d5d234 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-17 Paul Brook <paul@codesourcery.com>
+
+ * gas/arm/pic.s: Add (target2).
+ * gas/arm/pic.d: Ditto.
+
2004-09-13 Paul Brook <paul@codesourcery.com>
* gas/arm/pic.d: Rename RELABS to TARGET1.
diff --git a/gas/testsuite/gas/arm/pic.d b/gas/testsuite/gas/arm/pic.d
index ff536ad..2697136 100644
--- a/gas/testsuite/gas/arm/pic.d
+++ b/gas/testsuite/gas/arm/pic.d
@@ -17,3 +17,4 @@ Disassembly of section .text:
14: R_ARM_GOTPC _GLOBAL_OFFSET_TABLE_
18: R_ARM_TARGET1 foo2
1c: R_ARM_SBREL32 foo3
+ 20: R_ARM_TARGET2 foo4
diff --git a/gas/testsuite/gas/arm/pic.s b/gas/testsuite/gas/arm/pic.s
index 7a26750..3c3c329 100644
--- a/gas/testsuite/gas/arm/pic.s
+++ b/gas/testsuite/gas/arm/pic.s
@@ -11,3 +11,4 @@
.word _GLOBAL_OFFSET_TABLE_ - 1b
.word foo2(TARGET1)
.word foo3(SBREL)
+ .word foo4(TARGET2)