Differential D24105 Diff 69621 head/sys/powerpc/powerpc/elf32_machdep.c

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Show First 20 Lines • Show All 397 Lines • ▼ Show 20 Lines	ppc32_runtime_resolve()
/*		/*
* Since we don't support lazy binding, panic immediately if anyone		* Since we don't support lazy binding, panic immediately if anyone
* manages to call the runtime resolver.		* manages to call the runtime resolver.
*/		*/
panic("kldload: Runtime resolver was called unexpectedly!");		panic("kldload: Runtime resolver was called unexpectedly!");
}		}

int		int
elf_cpu_parse_dynamic(linker_file_t lf, Elf_Dyn *dynamic)		elf_cpu_parse_dynamic(caddr_t loadbase, Elf_Dyn *dynamic)
{		{
Elf_Dyn *dp;		Elf_Dyn *dp;
bool has_plt = false;		bool has_plt = false;
bool secure_plt = false;		bool secure_plt = false;
Elf_Addr *got;		Elf_Addr *got;

for (dp = dynamic; dp->d_tag != DT_NULL; dp++) {		for (dp = dynamic; dp->d_tag != DT_NULL; dp++) {
switch (dp->d_tag) {		switch (dp->d_tag) {
case DT_PPC_GOT:		case DT_PPC_GOT:
secure_plt = true;		secure_plt = true;
got = (Elf_Addr *)(lf->address + dp->d_un.d_ptr);		got = (Elf_Addr *)(loadbase + dp->d_un.d_ptr);
/* Install runtime resolver canary. */		/* Install runtime resolver canary. */
got[1] = (Elf_Addr)ppc32_runtime_resolve;		got[1] = (Elf_Addr)ppc32_runtime_resolve;
got[2] = (Elf_Addr)0;		got[2] = (Elf_Addr)0;
break;		break;
case DT_PLTGOT:		case DT_PLTGOT:
has_plt = true;		has_plt = true;
break;		break;
}		}
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