* [COMMITTED] backends: ppc use define instead of const for size of dwarf_regs array.
@ 2018-10-20 11:24 Mark Wielaard
0 siblings, 0 replies; only message in thread
From: Mark Wielaard @ 2018-10-20 11:24 UTC (permalink / raw)
To: elfutils-devel; +Cc: Mark Wielaard
The size of the dwarf_regs is a constant, but when building without
optimizations the compiler doesn't see that and will warn that it
cannot proof the stack size is bounded. Use a define instead of a
const, so the compiler will use a constant expression everywhere.
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
backends/ChangeLog | 5 +++++
backends/ppc_initreg.c | 8 ++++----
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/backends/ChangeLog b/backends/ChangeLog
index a7434dd..768c270 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-20 Mark Wielaard <mark@klomp.org>
+
+ * ppc_initreg.c (ppc_set_initial_registers_tid): Use define instead of
+ const for size of dwarf_regs array.
+
2018-10-02 Andreas Schwab <schwab@suse.de>
* riscv_symbol.c (riscv_reloc_simple_type): Add parameter addsub.
diff --git a/backends/ppc_initreg.c b/backends/ppc_initreg.c
index 3e4432f..0e0d359 100644
--- a/backends/ppc_initreg.c
+++ b/backends/ppc_initreg.c
@@ -93,11 +93,11 @@ ppc_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
if (errno != 0)
return false;
}
- const size_t gprs = sizeof (user_regs.r.gpr) / sizeof (*user_regs.r.gpr);
- Dwarf_Word dwarf_regs[gprs];
- for (unsigned gpr = 0; gpr < gprs; gpr++)
+#define GPRS (sizeof (user_regs.r.gpr) / sizeof (*user_regs.r.gpr))
+ Dwarf_Word dwarf_regs[GPRS];
+ for (unsigned gpr = 0; gpr < GPRS; gpr++)
dwarf_regs[gpr] = user_regs.r.gpr[gpr];
- if (! setfunc (0, gprs, dwarf_regs, arg))
+ if (! setfunc (0, GPRS, dwarf_regs, arg))
return false;
dwarf_regs[0] = user_regs.r.link;
// LR uses both 65 and 108 numbers, there is no consistency for it.
--
1.8.3.1
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2018-10-20 11:24 [COMMITTED] backends: ppc use define instead of const for size of dwarf_regs array Mark Wielaard
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