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-rw-r--r--ldso/ldso/cris/boot1_arch.h22
-rw-r--r--ldso/ldso/cris/dl-startup.h22
-rw-r--r--ldso/ldso/cris/dl-sysdep.h121
-rw-r--r--ldso/ldso/cris/elfinterp.c64
-rw-r--r--ldso/ldso/cris/ld_sysdep.h121
5 files changed, 181 insertions, 169 deletions
diff --git a/ldso/ldso/cris/boot1_arch.h b/ldso/ldso/cris/boot1_arch.h
index 5fe5cae43..6824076fb 100644
--- a/ldso/ldso/cris/boot1_arch.h
+++ b/ldso/ldso/cris/boot1_arch.h
@@ -1,17 +1,17 @@
/*
- * This code fix the stack pointer so that the dunamic linker
+ * This code fix the stack pointer so that the dynamic linker
* can find argc, argv and auxvt (Auxillary Vector Table).
*/
-asm("\
- .text
- .globl _dl_boot
- .type _dl_boot,@function
-_dl_boot:
- move.d $sp,$r10
- move.d $pc,$r9
- add.d _dl_boot2 - ., $r9
- jsr $r9
-");
+asm("" \
+" .text\n" \
+" .globl _dl_boot\n" \
+" .type _dl_boot,@function\n" \
+"_dl_boot:\n" \
+" move.d $sp,$r10\n" \
+" move.d $pc,$r9\n" \
+" add.d _dl_boot2 - ., $r9\n" \
+" jsr $r9\n" \
+);
#define _dl_boot _dl_boot2
#define LD_BOOT(X) static void __attribute__ ((unused)) _dl_boot(X)
diff --git a/ldso/ldso/cris/dl-startup.h b/ldso/ldso/cris/dl-startup.h
index 5fe5cae43..6824076fb 100644
--- a/ldso/ldso/cris/dl-startup.h
+++ b/ldso/ldso/cris/dl-startup.h
@@ -1,17 +1,17 @@
/*
- * This code fix the stack pointer so that the dunamic linker
+ * This code fix the stack pointer so that the dynamic linker
* can find argc, argv and auxvt (Auxillary Vector Table).
*/
-asm("\
- .text
- .globl _dl_boot
- .type _dl_boot,@function
-_dl_boot:
- move.d $sp,$r10
- move.d $pc,$r9
- add.d _dl_boot2 - ., $r9
- jsr $r9
-");
+asm("" \
+" .text\n" \
+" .globl _dl_boot\n" \
+" .type _dl_boot,@function\n" \
+"_dl_boot:\n" \
+" move.d $sp,$r10\n" \
+" move.d $pc,$r9\n" \
+" add.d _dl_boot2 - ., $r9\n" \
+" jsr $r9\n" \
+);
#define _dl_boot _dl_boot2
#define LD_BOOT(X) static void __attribute__ ((unused)) _dl_boot(X)
diff --git a/ldso/ldso/cris/dl-sysdep.h b/ldso/ldso/cris/dl-sysdep.h
index e915bf600..cf36752fb 100644
--- a/ldso/ldso/cris/dl-sysdep.h
+++ b/ldso/ldso/cris/dl-sysdep.h
@@ -11,11 +11,11 @@
/*
* Initialization sequence for a GOT.
*/
-#define INIT_GOT(GOT_BASE,MODULE) \
-{ \
- GOT_BASE[1] = (unsigned long) MODULE; \
- GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \
-}
+#define INIT_GOT(GOT_BASE,MODULE) \
+{ \
+ GOT_BASE[1] = (unsigned long) MODULE; \
+ GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \
+}
/*
* Here is a macro to perform a relocation. This is only used when
@@ -24,38 +24,39 @@
* SYMBOL is the symbol involved in the relocation, and LOAD is the
* load address.
*/
-#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \
- switch (ELF32_R_TYPE((RELP)->r_info)) { \
- case R_CRIS_GLOB_DAT: \
- case R_CRIS_JUMP_SLOT: \
- case R_CRIS_32: \
- *REL = SYMBOL; \
- break; \
- case R_CRIS_16_PCREL: \
+#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \
+ switch (ELF32_R_TYPE((RELP)->r_info)) { \
+ case R_CRIS_GLOB_DAT: \
+ case R_CRIS_JUMP_SLOT: \
+ case R_CRIS_32: \
+ *REL = SYMBOL; \
+ break; \
+ case R_CRIS_16_PCREL: \
*(short *) *REL = SYMBOL + (RELP)->r_addend - *REL - 2; \
- break; \
- case R_CRIS_32_PCREL: \
- *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \
- break; \
- case R_CRIS_NONE: \
- break; \
- case R_CRIS_RELATIVE: \
- *REL = (unsigned long) LOAD + (RELP)->r_addend; \
- break; \
- default: \
- _dl_exit(1); \
- break; \
- }
+ break; \
+ case R_CRIS_32_PCREL: \
+ *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \
+ break; \
+ case R_CRIS_NONE: \
+ break; \
+ case R_CRIS_RELATIVE: \
+ *REL = (unsigned long) LOAD + (RELP)->r_addend; \
+ break; \
+ default: \
+ _dl_exit(1); \
+ break; \
+ }
/*
* Transfer control to the user's application once the dynamic loader
* is done. This routine has to exit the current function, then call
* _dl_elf_main.
*/
-#define START() __asm__ volatile ("moveq 0,$r8\n\t
- move $r8,$srp\n\t
- move.d %1,$sp\n\t
- jump %0\n\t" : : "r" (_dl_elf_main), "r" (args))
+#define START() __asm__ volatile ("moveq 0,$r8\n\t" \
+ "move $r8,$srp\n\t" \
+ "move.d %1,$sp\n\t" \
+ "jump %0\n\t" \
+ : : "r" (_dl_elf_main), "r" (args))
/* Defined some magic numbers that this ld.so should accept. */
#define MAGIC1 EM_CRIS
@@ -66,41 +67,41 @@ struct elf_resolve;
extern unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry);
/* Cheap modulo implementation, taken from arm/ld_sysdep.h. */
-static inline unsigned long
-cris_mod(unsigned long m, unsigned long p)
+static inline unsigned long
+cris_mod(unsigned long m, unsigned long p)
{
unsigned long i, t, inc;
-
- i = p;
+
+ i = p;
t = 0;
- while (!(i & (1 << 31))) {
- i <<= 1;
- t++;
- }
-
- t--;
-
+ while (!(i & (1 << 31))) {
+ i <<= 1;
+ t++;
+ }
+
+ t--;
+
for (inc = t; inc > 2; inc--) {
- i = p << inc;
-
- if (i & (1 << 31))
- break;
-
- while (m >= i) {
- m -= i;
- i <<= 1;
- if (i & (1 << 31))
- break;
- if (i < p)
- break;
- }
- }
-
- while (m >= p)
- m -= p;
-
- return m;
+ i = p << inc;
+
+ if (i & (1 << 31))
+ break;
+
+ while (m >= i) {
+ m -= i;
+ i <<= 1;
+ if (i & (1 << 31))
+ break;
+ if (i < p)
+ break;
+ }
+ }
+
+ while (m >= p)
+ m -= p;
+
+ return m;
}
#define do_rem(result, n, base) result = cris_mod(n, base);
diff --git a/ldso/ldso/cris/elfinterp.c b/ldso/ldso/cris/elfinterp.c
index 72e85530e..0e395a6e0 100644
--- a/ldso/ldso/cris/elfinterp.c
+++ b/ldso/ldso/cris/elfinterp.c
@@ -69,7 +69,7 @@ debug_sym(Elf32_Sym *symtab, char *strtab, int symtab_index)
symtab[symtab_index].st_info,
symtab[symtab_index].st_other,
symtab[symtab_index].st_shndx);
- }
+ }
}
}
@@ -82,13 +82,18 @@ debug_reloc(Elf32_Sym *symtab, char *strtab, ELF_RELOC *rpnt)
symtab_index = ELF32_R_SYM(rpnt->r_info);
sym = symtab_index ? strtab + symtab[symtab_index].st_name : "sym=0x0";
+
+ if (_dl_debug_symbols)
+ _dl_printf(_dl_debug_file, "\n\t");
+ else
+ _dl_printf(_dl_debug_file, "\n%s\n\t", sym);
#ifdef ELF_USES_RELOCA
- _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x\taddend=%x %s",
- _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)), rpnt->r_offset, rpnt->r_addend, sym);
+ _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x\taddend=%x",
+ _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)), rpnt->r_offset, rpnt->r_addend);
#else
- _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x %s", _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)),
- rpnt->r_offset, sym);
+ _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x", _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)),
+ rpnt->r_offset);
#endif
}
}
@@ -104,6 +109,7 @@ _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_offset)
int reloc_type;
int symtab_index;
char *strtab;
+ char *symname;
char *new_addr;
char **got_addr;
ELF_RELOC *reloc;
@@ -117,9 +123,10 @@ _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_offset)
symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
+ symname = strtab + symtab[symtab_index].st_name;
if (reloc_type != R_CRIS_JUMP_SLOT) {
- _dl_dprintf(_dl_debug_file, "%s: Incorrect relocation type for jump relocations.\n", _dl_progname);
+ _dl_dprintf(2, "%s: Incorrect relocation type for jump relocations.\n", _dl_progname);
_dl_exit(1);
}
@@ -128,20 +135,23 @@ _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_offset)
got_addr = (char **) instr_addr;
#ifdef DL_DEBUG_SYMBOLS
- _dl_dprintf(_dl_debug_file, "Resolving symbol: %s\n", strtab + symtab[symtab_index].st_name);
+ _dl_dprintf(_dl_debug_file, "Resolving symbol: %s\n", symname);
#endif
/* Fetch the address of the GOT entry. */
- new_addr = _dl_find_hash(strtab + symtab[symtab_index].st_name, tpnt->symbol_scope, tpnt, 0);
+ new_addr = _dl_find_hash(symname, tpnt->symbol_scope, tpnt, resolver);
if (!new_addr) {
- _dl_dprintf(_dl_debug_file, "%s: Can't resolv symbol '%s'\n", _dl_progname, strtab + symtab[symtab_index].st_name);
+ if ((new_addr = _dl_find_hash(symname, NULL, NULL, resolver)))
+ return (unsigned long) new_addr;
+
+ _dl_dprintf(2, "%s: Can't resolv symbol '%s'\n", _dl_progname, symname);
_dl_exit(1);
}
#if defined (__SUPPORT_LD_DEBUG__)
if (_dl_debug_bindings) {
- _dl_dprintf(_dl_debug_file, "\nresolve function: %s", strtab + symtab[symtab_index].st_name);
+ _dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname);
if (_dl_debug_detail)
_dl_dprintf(_dl_debug_file, "\tpatch %x ==> %x @ %x", *got_addr, new_addr, got_addr);
@@ -168,6 +178,7 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re
rel_size = rel_size / sizeof(ELF_RELOC);
symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
+ symname = strtab + symtab[symtab_index].st_name;
for (i = 0; i < rel_size; i++, rpnt++) {
reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + (Elf32_Addr) rpnt->r_offset);
@@ -181,7 +192,7 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re
if (!symtab_index && tpnt->libtype == program_interpreter)
continue;
if (symtab_index && tpnt->libtype == program_interpreter &&
- _dl_symbol(strtab + symtab[symtab_index].st_name))
+ _dl_symbol(symname))
continue;
#if defined (__SUPPORT_LD_DEBUG__)
@@ -189,7 +200,6 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re
unsigned long old_val = *reloc_addr;
#endif
-
switch (reloc_type) {
case R_CRIS_NONE:
break;
@@ -197,13 +207,13 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re
*reloc_addr += (Elf32_Addr) tpnt->loadaddr;
break;
default:
- _dl_dprintf(_dl_debug_file, "%s: Can't handle relocation type (lazy).\n",
+ _dl_dprintf(2, "%s: Can't handle relocation type (lazy).\n",
_dl_progname);
#ifdef __SUPPORT_LD_DEBUG__
_dl_dprintf(_dl_debug_file, "%s ", _dl_reltypes(reloc_type));
#endif
if (symtab_index)
- _dl_dprintf(_dl_debug_file, "'%s'\n", strtab + symtab[symtab_index].st_name);
+ _dl_dprintf(2, "'%s'\n", symname);
_dl_exit(1);
}
@@ -223,6 +233,7 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add
int reloc_type;
int symtab_index;
char *strtab;
+ char *symname;
Elf32_Sym *symtab;
ELF_RELOC *rpnt;
Elf32_Addr *reloc_addr;
@@ -234,7 +245,8 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add
symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
-
+ symname = strtab + symtab[symtab_index].st_name;
+
for (i = 0; i < rel_size; i++, rpnt++) {
reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + (Elf32_Addr) rpnt->r_offset);
reloc_type = ELF32_R_TYPE(rpnt->r_info);
@@ -252,8 +264,8 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add
if (symtab[symtab_index].st_shndx != SHN_UNDEF && ELF32_ST_BIND(symtab[symtab_index].st_info) == STB_LOCAL)
symbol_addr = (Elf32_Addr) tpnt->loadaddr;
else
- symbol_addr = (Elf32_Addr) _dl_find_hash(strtab + symtab[symtab_index].st_name,
- tpnt->symbol_scope, (reloc_type == R_CRIS_JUMP_SLOT ? tpnt : NULL), 0);
+ symbol_addr = (Elf32_Addr) _dl_find_hash(symname, tpnt->symbol_scope,
+ (reloc_type == R_CRIS_JUMP_SLOT ? tpnt : NULL), 0);
/*
* We want to allow undefined references to weak symbols - this
@@ -261,8 +273,7 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add
* symbols here, so all bases should be covered.
*/
if (!symbol_addr && ELF32_ST_BIND(symtab[symtab_index].st_info) == STB_GLOBAL) {
- _dl_dprintf(_dl_debug_file, "%s: Can't resolve '%s'\n",
- _dl_progname, strtab + symtab[symtab_index].st_name);
+ _dl_dprintf(2, "%s: Can't resolve '%s'\n", _dl_progname, symname);
goof++;
}
@@ -306,12 +317,12 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add
case R_CRIS_NONE:
break;
default:
- _dl_dprintf(_dl_debug_file, "%s: Can't handle relocation type ", _dl_progname);
+ _dl_dprintf(2, "%s: Can't handle relocation type ", _dl_progname);
#ifdef __SUPPORT_LD_DEBUG__
_dl_dprintf(_dl_debug_file, "%s\n", _dl_reltypes(reloc_type));
#endif
if (symtab_index) {
- _dl_dprintf(_dl_debug_file, "'%s'\n", strtab + symtab[symtab_index].st_name);
+ _dl_dprintf(2, "'%s'\n", symname);
return -1;
}
}
@@ -337,6 +348,7 @@ _dl_parse_copy_information(struct dyn_elf *xpnt, unsigned long rel_addr, unsigne
int goof;
int symtab_index;
char *strtab;
+ char *symname;
struct elf_resolve *tpnt;
Elf32_Sym *symtab;
ELF_RELOC *rpnt;
@@ -351,6 +363,7 @@ _dl_parse_copy_information(struct dyn_elf *xpnt, unsigned long rel_addr, unsigne
symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
+ symname = strtab + symtab[symtab_index].st_name;
for (i = 0; i < rel_size; i++, rpnt++) {
reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + (Elf32_Addr) rpnt->r_offset);
@@ -366,16 +379,13 @@ _dl_parse_copy_information(struct dyn_elf *xpnt, unsigned long rel_addr, unsigne
continue;
if (symtab_index) {
- if (tpnt->libtype == program_interpreter &&
- _dl_symbol(strtab + symtab[symtab_index].st_name))
+ if (tpnt->libtype == program_interpreter && _dl_symbol(symname))
continue;
- symbol_addr = (Elf32_Addr) _dl_find_hash(strtab +
- symtab[symtab_index].st_name, xpnt->next, NULL, 1);
+ symbol_addr = (Elf32_Addr) _dl_find_hash(symname, xpnt->next, NULL, 1);
if (!symbol_addr) {
- _dl_dprintf(_dl_debug_file, "%s: Can't resolv symbol '%s'\n",
- _dl_progname, strtab + symtab[symtab_index].st_name);
+ _dl_dprintf(2, "%s: Can't resolv symbol '%s'\n", _dl_progname, symname);
goof++;
}
}
diff --git a/ldso/ldso/cris/ld_sysdep.h b/ldso/ldso/cris/ld_sysdep.h
index e915bf600..cf36752fb 100644
--- a/ldso/ldso/cris/ld_sysdep.h
+++ b/ldso/ldso/cris/ld_sysdep.h
@@ -11,11 +11,11 @@
/*
* Initialization sequence for a GOT.
*/
-#define INIT_GOT(GOT_BASE,MODULE) \
-{ \
- GOT_BASE[1] = (unsigned long) MODULE; \
- GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \
-}
+#define INIT_GOT(GOT_BASE,MODULE) \
+{ \
+ GOT_BASE[1] = (unsigned long) MODULE; \
+ GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \
+}
/*
* Here is a macro to perform a relocation. This is only used when
@@ -24,38 +24,39 @@
* SYMBOL is the symbol involved in the relocation, and LOAD is the
* load address.
*/
-#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \
- switch (ELF32_R_TYPE((RELP)->r_info)) { \
- case R_CRIS_GLOB_DAT: \
- case R_CRIS_JUMP_SLOT: \
- case R_CRIS_32: \
- *REL = SYMBOL; \
- break; \
- case R_CRIS_16_PCREL: \
+#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \
+ switch (ELF32_R_TYPE((RELP)->r_info)) { \
+ case R_CRIS_GLOB_DAT: \
+ case R_CRIS_JUMP_SLOT: \
+ case R_CRIS_32: \
+ *REL = SYMBOL; \
+ break; \
+ case R_CRIS_16_PCREL: \
*(short *) *REL = SYMBOL + (RELP)->r_addend - *REL - 2; \
- break; \
- case R_CRIS_32_PCREL: \
- *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \
- break; \
- case R_CRIS_NONE: \
- break; \
- case R_CRIS_RELATIVE: \
- *REL = (unsigned long) LOAD + (RELP)->r_addend; \
- break; \
- default: \
- _dl_exit(1); \
- break; \
- }
+ break; \
+ case R_CRIS_32_PCREL: \
+ *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \
+ break; \
+ case R_CRIS_NONE: \
+ break; \
+ case R_CRIS_RELATIVE: \
+ *REL = (unsigned long) LOAD + (RELP)->r_addend; \
+ break; \
+ default: \
+ _dl_exit(1); \
+ break; \
+ }
/*
* Transfer control to the user's application once the dynamic loader
* is done. This routine has to exit the current function, then call
* _dl_elf_main.
*/
-#define START() __asm__ volatile ("moveq 0,$r8\n\t
- move $r8,$srp\n\t
- move.d %1,$sp\n\t
- jump %0\n\t" : : "r" (_dl_elf_main), "r" (args))
+#define START() __asm__ volatile ("moveq 0,$r8\n\t" \
+ "move $r8,$srp\n\t" \
+ "move.d %1,$sp\n\t" \
+ "jump %0\n\t" \
+ : : "r" (_dl_elf_main), "r" (args))
/* Defined some magic numbers that this ld.so should accept. */
#define MAGIC1 EM_CRIS
@@ -66,41 +67,41 @@ struct elf_resolve;
extern unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry);
/* Cheap modulo implementation, taken from arm/ld_sysdep.h. */
-static inline unsigned long
-cris_mod(unsigned long m, unsigned long p)
+static inline unsigned long
+cris_mod(unsigned long m, unsigned long p)
{
unsigned long i, t, inc;
-
- i = p;
+
+ i = p;
t = 0;
- while (!(i & (1 << 31))) {
- i <<= 1;
- t++;
- }
-
- t--;
-
+ while (!(i & (1 << 31))) {
+ i <<= 1;
+ t++;
+ }
+
+ t--;
+
for (inc = t; inc > 2; inc--) {
- i = p << inc;
-
- if (i & (1 << 31))
- break;
-
- while (m >= i) {
- m -= i;
- i <<= 1;
- if (i & (1 << 31))
- break;
- if (i < p)
- break;
- }
- }
-
- while (m >= p)
- m -= p;
-
- return m;
+ i = p << inc;
+
+ if (i & (1 << 31))
+ break;
+
+ while (m >= i) {
+ m -= i;
+ i <<= 1;
+ if (i & (1 << 31))
+ break;
+ if (i < p)
+ break;
+ }
+ }
+
+ while (m >= p)
+ m -= p;
+
+ return m;
}
#define do_rem(result, n, base) result = cris_mod(n, base);
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 20:21:02 +0000