X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=arch%2Fpowerpc%2Freloc.h;h=fdfbf827e8e081237be4daef11119fbbddf64782;hb=b90841e2583237a4132bbbd74752e0e9563660cd;hp=2877ce2a3cc7698daa0a751475d0234ce63b3575;hpb=16ac00ac46a14a568ce836db09ffc3f21799690d;p=musl

diff --git a/arch/powerpc/reloc.h b/arch/powerpc/reloc.h
index 2877ce2a..fdfbf827 100644
--- a/arch/powerpc/reloc.h
+++ b/arch/powerpc/reloc.h
@@ -1,55 +1,31 @@
-#include <string.h>
-#include <elf.h>
+#if defined(_SOFT_FLOAT) || defined(__NO_FPRS__)
+#define FP_SUFFIX "-sf"
+#else
+#define FP_SUFFIX ""
+#endif
 
-#define LDSO_ARCH "powerpc"
+#define LDSO_ARCH "powerpc" FP_SUFFIX
 
-#define IS_COPY(x) ((x)==R_PPC_COPY)
-#define IS_PLT(x) ((x)==R_PPC_JMP_SLOT)
+#define TPOFF_K (-0x7000)
 
-// see linux' arch/powerpc/include/asm/elf.h 
-static inline void do_single_reloc(
-	struct dso *self, unsigned char *base_addr,
-	size_t *reloc_addr, int type, size_t addend,
-	Sym *sym, size_t sym_size,
-	struct symdef def, size_t sym_val)
-{
-	switch(type) {
-	case R_PPC_GLOB_DAT:
-	case R_PPC_JMP_SLOT:
-	case R_PPC_ADDR32:
-		*reloc_addr = sym_val + addend;
-		break;
-	case R_PPC_COPY:
-		memcpy(reloc_addr, (void *)sym_val, sym_size);
-		break;
-	case R_PPC_RELATIVE:
-		*reloc_addr = (size_t)base_addr + addend;
-		break;
-	case R_PPC_DTPMOD32:
-		*reloc_addr = def.dso ? def.dso->tls_id : self->tls_id;
-		break;
-	case R_PPC_DTPREL32:
-		*reloc_addr = def.sym->st_value + addend;
-		break;
-	case R_PPC_TPREL32:
-		*reloc_addr += def.sym
-			? def.sym->st_value + def.dso->tls_offset - 0x7000
-			: self->tls_offset - 0x7000;
-		break;
-	}
-}
+#define REL_SYMBOLIC    R_PPC_ADDR32
+#define REL_USYMBOLIC   R_PPC_UADDR32
+#define REL_GOT         R_PPC_GLOB_DAT
+#define REL_PLT         R_PPC_JMP_SLOT
+#define REL_RELATIVE    R_PPC_RELATIVE
+#define REL_COPY        R_PPC_COPY
+#define REL_DTPMOD      R_PPC_DTPMOD32
+#define REL_DTPOFF      R_PPC_DTPREL32
+#define REL_TPOFF       R_PPC_TPREL32
 
-void __reloc_self(int c, size_t *a, size_t *dynv)
-{
-	char *base;
-	size_t t[20], n;
-	for (a+=c+1; *a; a++);
-	for (a++; *a; a+=2) if (*a<20) t[*a] = a[1];
-	base = (char *)t[AT_BASE];
-	if (!base) base = (char *)(t[AT_PHDR] & -4096);
-	for (a=dynv; *a; a+=2) if (*a<20) t[*a] = a[1];
-	n = t[DT_RELASZ];
-	for (a=(void *)(base+t[DT_RELA]); n; a+=3, n-=12)
-		if (a[1]%256 == R_PPC_RELATIVE)
-			*(size_t *)(base+a[0]) = (size_t)base + a[2];
-}
+#define CRTJMP(pc,sp) __asm__ __volatile__( \
+	"mr 1,%1 ; mtlr %0 ; blr" : : "r"(pc), "r"(sp) : "memory" )
+
+#define GETFUNCSYM(fp, sym, got) __asm__ ( \
+	".hidden " #sym " \n" \
+	"	bl 1f \n" \
+	"	.long " #sym "-. \n" \
+	"1:	mflr %1 \n" \
+	"	lwz %0, 0(%1) \n" \
+	"	add %0, %0, %1 \n" \
+	: "=r"(*(fp)), "=r"((int){0}) : : "memory", "lr" )