[PATCH] H8/300 update (3/9) pic support

Yoshinori Sato
2004-05-11T16:52:00Z

- add PIC binary support

--
Yoshinori Sato
<ysato@users.sourceforge.jp>

diff -Nru linux-2.6.6/arch/h8300/kernel/signal.c linux-2.6.6-h8300/arch/h8300/kernel/signal.c
--- linux-2.6.6/arch/h8300/kernel/signal.c 2004-05-11 14:30:09.000000000 +0900
+++ linux-2.6.6-h8300/arch/h8300/kernel/signal.c 2004-05-11 23:04:06.000000000 +0900
@@ -192,6 +192,7 @@
regs->er1 = context.sc_er1;
regs->er2 = context.sc_er2;
regs->er3 = context.sc_er3;
+ regs->er5 = context.sc_er5;
regs->ccr = (regs->ccr & 0x10)|(context.sc_ccr & 0xef);
regs->pc = context.sc_pc;
regs->orig_er0 = -1; /* disable syscall checks */
@@ -308,6 +309,7 @@
sc->sc_er1 = regs->er1;
sc->sc_er2 = regs->er2;
sc->sc_er3 = regs->er3;
+ sc->sc_er5 = regs->er5;
sc->sc_ccr = regs->ccr;
sc->sc_pc = regs->pc;
}
@@ -384,6 +386,7 @@
? current_thread_info()->exec_domain->signal_invmap[sig]
: sig);
regs->er1 = (unsigned long)&(frame->sc);
+ regs->er5 = current->mm->start_data; /* GOT base */

return;

@@ -435,7 +438,8 @@
: sig);
regs->er1 = (unsigned long)&(frame->info);
regs->er2 = (unsigned long)&frame->uc;
+ regs->er5 = current->mm->start_data; /* GOT base */

return;

diff -Nru linux-2.6.6/fs/bifmt_flat.c linux-2.6.6-h8300/fs/binfmt_flat.c
--- linux-2.6.6/fs/binfmt_flat.c 2004-05-11 14:30:12.000000000 +0900
+++ linux-2.6.6-h8300/fs/binfmt_flat.c 2004-05-12 01:19:34.000000000 +0900
@@ -723,7 +723,7 @@
return -ENOEXEC;

/* Get the pointer's value. */
- addr = flat_get_addr_from_rp(rp, relval);
+ addr = flat_get_addr_from_rp(rp, relval, flags);
if (addr != 0) {
/*
* Do the relocation. PIC relocs in the data section are
diff -Nru linux-2.6.6/include/asm-h8300/flat.h linux-2.6.6-h8300/include/asm-h8300/flat.h
--- linux-2.6.6/include/asm-h8300/flat.h 2004-01-09 15:59:02.000000000 +0900
+++ linux-2.6.6-h8300/include/asm-h8300/flat.h 2004-05-11 23:03:42.000000000 +0900
@@ -18,7 +18,8 @@
*/

#define flat_get_relocate_addr(rel) (rel)
-#define flat_get_addr_from_rp(rp, relval) (get_unaligned(rp) & 0x0ffffff)
+#define flat_get_addr_from_rp(rp, relval, flags) \
+ (get_unaligned(rp) & ((flags & FLAT_FLAG_GOTPIC) ? 0xffffffff: 0x00ffffff))
#define flat_put_addr_at_rp(rp, addr, rel) \
put_unaligned (((*(char *)(rp)) << 24) | ((addr) & 0x00ffffff), rp)

diff -Nru linux-2.6.6/include/asm-h8300/processor.h linux-2.6.6-h8300/include/asm-h8300/processor.h
--- linux-2.6.6/include/asm-h8300/processor.h 2004-05-11 14:30:47.000000000 +0900
+++ linux-2.6.6-h8300/include/asm-h8300/processor.h 2004-05-11 23:03:42.000000000 +0900
@@ -23,12 +23,12 @@
#include <asm/ptrace.h>
#include <asm/current.h>

-extern inline unsigned long rdusp(void) {
+static inline unsigned long rdusp(void) {
extern unsigned int sw_usp;
return(sw_usp);
}

-extern inline void wrusp(unsigned long usp) {
+static inline void wrusp(unsigned long usp) {
extern unsigned int sw_usp;
sw_usp = usp;
}
@@ -61,9 +61,15 @@
} breakinfo;
};

-#define INIT_THREAD { \
- sizeof(init_stack) + (unsigned long) init_stack, 0, \
- PS_S, 0, {(unsigned short *)-1, 0}, \
+#define INIT_THREAD { \
+ .ksp = sizeof(init_stack) + (unsigned long)init_stack, \
+ .usp = 0, \
+ .ccr = PS_S, \
+ .esp0 = 0, \
+ .breakinfo = { \
+ .addr = (unsigned short *)-1, \
+ .inst = 0 \
+ } \
}

/*
@@ -78,6 +84,7 @@
set_fs(USER_DS); /* reads from user space */ \
(_regs)->pc = (_pc); \
(_regs)->ccr &= 0x00; /* clear kernel flag */ \
+ (_regs)->er5 = current->mm->start_data; /* GOT base */ \
wrusp((unsigned long)(_usp) - sizeof(unsigned long)*3); \
} while(0)
#endif
@@ -88,6 +95,7 @@
(_regs)->pc = (_pc); \
(_regs)->ccr = 0x00; /* clear kernel flag */ \
(_regs)->exr = 0x78; /* enable all interrupts */ \
+ (_regs)->er5 = current->mm->start_data; /* GOT base */ \
/* 14 = space for retaddr(4), vector(4), er0(4) and ext(2) on stack */ \
wrusp(((unsigned long)(_usp)) - 14); \
} while(0)
diff -Nru linux-2.6.6/include/asm-m68knommu/flat.h linux-2.6.6-h8300/include/asm-m68knommu/flat.h
--- linux-2.6.6/include/asm-m68knommu/flat.h 2004-01-09 16:00:02.000000000 +0900
+++ linux-2.6.6-h8300/include/asm-m68knommu/flat.h 2004-05-11 23:03:42.000000000 +0900
@@ -9,7 +9,7 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
-#define flat_get_addr_from_rp(rp, relval) get_unaligned(rp)
+#define flat_get_addr_from_rp(rp, relval, flags) get_unaligned(rp)
#define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val,rp)
#define flat_get_relocate_addr(rel) (rel)

diff -Nru linux-2.6.6/include/asm-sh/flat.h linux-2.6.6-h8300/include/asm-sh/flat.h
--- linux-2.6.6/include/asm-sh/flat.h 2004-05-11 14:29:41.000000000 +0900
+++ linux-2.6.6-h8300/include/asm-sh/flat.h 2004-05-11 23:03:42.000000000 +0900
@@ -16,7 +16,7 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
-#define flat_get_addr_from_rp(rp, relval) get_unaligned(rp)
+#define flat_get_addr_from_rp(rp, relval, flags) get_unaligned(rp)
#define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val,rp)
#define flat_get_relocate_addr(rel) (rel)

diff -Nru linux-2.6.6/include/asm-v850/flat.h linux-2.6.6-h8300/include/asm-v850/flat.h
--- linux-2.6.6/include/asm-v850/flat.h 2004-01-09 15:59:19.000000000 +0900
+++ linux-2.6.6-h8300/include/asm-v850/flat.h 2004-05-11 23:03:42.000000000 +0900
@@ -45,7 +45,8 @@
RELVAL is the raw relocation-table entry from which RP is derived.
For the v850, RP should always be half-word aligned. */
static inline unsigned long flat_get_addr_from_rp (unsigned long *rp,
- unsigned long relval)
+ unsigned long relval,
+ unsigned long flags)
{
short *srp = (short *)rp;