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-rw-r--r--ldso/include/dl-string.h17
-rw-r--r--ldso/include/dl-syscall.h2
-rw-r--r--ldso/ldso/dl-elf.c2
-rw-r--r--ldso/ldso/sparc/dl-syscalls.h26
-rw-r--r--ldso/ldso/sparc/dl-sysdep.h51
-rw-r--r--ldso/ldso/sparc/elfinterp.c10
6 files changed, 92 insertions, 16 deletions
diff --git a/ldso/include/dl-string.h b/ldso/include/dl-string.h
index cbb867010..05f8d7d32 100644
--- a/ldso/include/dl-string.h
+++ b/ldso/include/dl-string.h
@@ -204,15 +204,18 @@ static inline char *_dl_get_last_path_component(char *path)
}
/* Early on, we can't call printf, so use this to print out
- * numbers using the SEND_STDERR() macro */
+ * numbers using the SEND_STDERR() macro. Avoid using mod
+ * or using long division */
static inline char *_dl_simple_ltoa(char * local, unsigned long i)
{
/* 21 digits plus null terminator, good for 64-bit or smaller ints */
- char *p = &local[22];
+ char *p = &local[21];
*p-- = '\0';
do {
- *p-- = '0' + i % 10;
- i /= 10;
+ char temp;
+ do_rem(temp, i, 10);
+ *p-- = '0' + temp;
+ i /= 10;
} while (i > 0);
return p + 1;
}
@@ -220,15 +223,15 @@ static inline char *_dl_simple_ltoa(char * local, unsigned long i)
static inline char *_dl_simple_ltoahex(char * local, unsigned long i)
{
/* 21 digits plus null terminator, good for 64-bit or smaller ints */
- char *p = &local[22];
+ char *p = &local[21];
*p-- = '\0';
do {
- char temp = i % 0x10;
+ char temp = i & 0xf;
if (temp <= 0x09)
*p-- = '0' + temp;
else
*p-- = 'a' - 0x0a + temp;
- i /= 0x10;
+ i >>= 4;
} while (i > 0);
*p-- = 'x';
*p-- = '0';
diff --git a/ldso/include/dl-syscall.h b/ldso/include/dl-syscall.h
index 184c12fb1..fbe852d18 100644
--- a/ldso/include/dl-syscall.h
+++ b/ldso/include/dl-syscall.h
@@ -104,7 +104,7 @@ static inline _syscall0(gid_t, _dl_getpid);
static inline _syscall3(int, _dl_readlink, const char *, path, char *, buf, size_t, bufsiz);
#ifdef __NR_mmap
-#if defined(__powerpc__) || defined(__mips__) || defined(__sh__)
+#if defined(__powerpc__) || defined(__mips__) || defined(__sh__) || defined(__sparc__)
/* PowerPC, MIPS and SuperH have a different calling convention for mmap(). */
#define __NR__dl_mmap __NR_mmap
static inline _syscall6(void *, _dl_mmap, void *, start, size_t, length,
diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c
index dc20252d0..d27e4ccb3 100644
--- a/ldso/ldso/dl-elf.c
+++ b/ldso/ldso/dl-elf.c
@@ -720,7 +720,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure,
_dl_dprintf(2, "\n\tfile='%s'; generating link map\n", libname);
_dl_dprintf(2, "\t\tdynamic: %x base: %x size: %x\n",
dynamic_addr, libaddr, dynamic_size);
- _dl_dprintf(2, "\t\t entry: %x phdr: %x phnum: %d\n\n",
+ _dl_dprintf(2, "\t\t entry: %x phdr: %x phnum: %x\n\n",
epnt->e_entry + libaddr, tpnt->ppnt, tpnt->n_phent);
}
diff --git a/ldso/ldso/sparc/dl-syscalls.h b/ldso/ldso/sparc/dl-syscalls.h
index 218e8a289..cf21061fd 100644
--- a/ldso/ldso/sparc/dl-syscalls.h
+++ b/ldso/ldso/sparc/dl-syscalls.h
@@ -158,3 +158,29 @@ if (__res < -255 || __res>=0) \
_dl_errno = -__res; \
return -1; \
}
+
+#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5,type6,arg6) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+register long __o3 __asm__ ("o3") = (long)(arg4); \
+register long __o4 __asm__ ("o4") = (long)(arg5); \
+register long __o5 __asm__ ("o5") = (long)(arg6); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__o5), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res; */\
+return -1; \
+}
diff --git a/ldso/ldso/sparc/dl-sysdep.h b/ldso/ldso/sparc/dl-sysdep.h
index c6ac89e11..ddf74e21e 100644
--- a/ldso/ldso/sparc/dl-sysdep.h
+++ b/ldso/ldso/sparc/dl-sysdep.h
@@ -41,9 +41,51 @@ extern unsigned int _dl_linux_resolver(unsigned int reloc_entry,
/*
* Define this if you want a dynamic loader that works on Solaris.
*/
+#ifndef __linux__
#define SOLARIS_COMPATIBLE
+#endif
+
+#ifndef COMPILE_ASM
+/* Cheap modulo implementation, taken from arm/ld_sysdep.h. */
+static inline unsigned long
+sparc_mod(unsigned long m, unsigned long p)
+{
+ unsigned long i, t, inc;
+
+ i = p;
+ t = 0;
+
+ while (!(i & (1 << 31))) {
+ i <<= 1;
+ t++;
+ }
+
+ t--;
+
+ for (inc = t; inc > 2; inc--) {
+ i = p << inc;
-#define do_rem(result, n, base) result = (n % base)
+ 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 = sparc_mod(n, base);
+#endif
/*
* dbx wants the binder to have a specific name. Mustn't disappoint it.
@@ -53,9 +95,10 @@ extern unsigned int _dl_linux_resolver(unsigned int reloc_entry,
#endif
/* 4096 bytes alignment */
-#define PAGE_ALIGN 0xfffff000
-#define ADDR_ALIGN 0xfff
-#define OFFS_ALIGN 0x7ffff000
+/* ...but 8192 is required for mmap() on sparc64 kernel */
+#define PAGE_ALIGN 0xffffe000
+#define ADDR_ALIGN 0x1fff
+#define OFFS_ALIGN 0x7fffe000
/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
PLT entries should not be allowed to define the value.
diff --git a/ldso/ldso/sparc/elfinterp.c b/ldso/ldso/sparc/elfinterp.c
index 41bde4fa8..98435cbd4 100644
--- a/ldso/ldso/sparc/elfinterp.c
+++ b/ldso/ldso/sparc/elfinterp.c
@@ -72,7 +72,7 @@ unsigned int _dl_linux_resolver(unsigned int reloc_entry, unsigned int * plt)
/*
* Generate the correct relocation index into the .rela.plt section.
*/
- reloc_entry = (reloc_entry >> 12) - 0xc;
+ reloc_entry = (reloc_entry >> 10) - 0xc;
this_reloc = (Elf32_Rela *) ((char *) rel_addr + reloc_entry);
@@ -82,10 +82,14 @@ unsigned int _dl_linux_resolver(unsigned int reloc_entry, unsigned int * plt)
symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
+#ifdef __SUPPORT_LD_DEBUG__
+ if (_dl_debug_symbols) {
_dl_dprintf(2, "tpnt = %x\n", tpnt);
_dl_dprintf(2, "reloc = %x\n", this_reloc);
_dl_dprintf(2, "symtab = %x\n", symtab);
_dl_dprintf(2, "strtab = %x\n", strtab);
+ }
+#endif
if (unlikely(reloc_type != R_SPARC_JMP_SLOT)) {
@@ -98,10 +102,10 @@ unsigned int _dl_linux_resolver(unsigned int reloc_entry, unsigned int * plt)
instr_addr = ((int)this_reloc->r_offset + (int)tpnt->loadaddr);
got_addr = (char **) instr_addr;
- _dl_dprintf(2, "symtab_index %d\n", symtab_index);
-
#ifdef __SUPPORT_LD_DEBUG__
if (_dl_debug_symbols) {
+ _dl_dprintf(2, "symtab_index %x\n", symtab_index);
+
_dl_dprintf(2, "Resolving symbol %s\n",
strtab + symtab[symtab_index].st_name);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 07:42:18 +0000