[Ltrace-devel] [PATCH] On ppc64 arch, arch_translate_address will only need indirect read if address is located in the .plt segment. This patch ensure address is part of that segment, otherwise it just returns the address.

[thierry at linux.vnet.ibm.com]

From: Thierry Fauck <tfauck at free.fr>

        modified:   sysdeps/linux-gnu/ppc/plt.c

Signed-off-by: Thierry Fauck <tfauck at free.fr>

	modified:   sysdeps/linux-gnu/ppc/plt.c
---
 sysdeps/linux-gnu/ppc/plt.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sysdeps/linux-gnu/ppc/plt.c b/sysdeps/linux-gnu/ppc/plt.c
index 2238e4e..8ddeae7 100644
--- a/sysdeps/linux-gnu/ppc/plt.c
+++ b/sysdeps/linux-gnu/ppc/plt.c
@@ -325,7 +325,10 @@ arch_translate_address(struct ltelf *lte,
 		       arch_addr_t addr, arch_addr_t *ret)
 {
 	if (lte->ehdr.e_machine == EM_PPC64
-	    && !lte->arch.elfv2_abi) {
+	    && !lte->arch.elfv2_abi
+	    && ((arch_addr_t)(uintptr_t)lte->arch.opd_base <= addr
+		&& addr < (arch_addr_t)(uintptr_t)
+			(lte->arch.opd_base+lte->arch.opd_size))) {
 		/* XXX The double cast should be removed when
 		 * arch_addr_t becomes integral type.  */
 		GElf_Xword offset
-- 
1.8.3.1