From e1fa0163505af867009ea73fc5f705162120e795 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Mon, 21 Mar 2016 16:31:46 +0000 Subject: Remove use of alloca. bfd * warning.m4 (GCC_WARN_CFLAGS): Add -Wstack-usage=262144 * configure: Regenerate. * elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Replace use of alloca with call to xmalloc. * elf32-nds32.c: Likewise. * elf64-hppa.c: Likewise. * elfxx-mips.c: Likewise. * pef.c: Likewise. * pei-x86_64.c: Likewise. * som.c: Likewise. * xsym.c: Likewise. binutils * dlltool.c: Replace use of alloca with call to xmalloc. * dllwrap.c: Likewise. * nlmconv.c: Likewise. * objdump.c: Likewise. * resrc.c: Likewise. * winduni.c: Likewise. * configure: Regenerate. gas * atof-generic.c: Replace use of alloca with call to xmalloc. * cgen.c: Likewise. * dwarf2dbg.c: Likewise. * macro.c: Likewise. * remap.c: Likewise. * stabs.c: Likewise. * symbols.c: Likewise. * config/obj-elf.c: Likewise. * config/tc-aarch64.c: Likewise. * config/tc-arc.c: Likewise. * config/tc-arm.c: Likewise. * config/tc-avr.c: Likewise. * config/tc-ia64.c: Likewise. * config/tc-mips.c: Likewise. * config/tc-msp430.c: Likewise. * config/tc-nds32.c: Likewise. * config/tc-ppc.c: Likewise. * config/tc-sh.c: Likewise. * config/tc-tic30.c: Likewise. * config/tc-tic54x.c: Likewise. * config/tc-xstormy16.c: Likewise. * config/te-vms.c: Likewise. * configure: Regenerate. ld * emultempl/msp430.em: Replace use of alloca with call to xmalloc. * plugin.c: Likewise. * pe-dll.c: Likewise. --- gas/atof-generic.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) (limited to 'gas/atof-generic.c') diff --git a/gas/atof-generic.c b/gas/atof-generic.c index 2041810..b1deec0 100644 --- a/gas/atof-generic.c +++ b/gas/atof-generic.c @@ -305,6 +305,8 @@ atof_generic (/* return pointer to just AFTER number we read. */ { int count; /* Number of useful digits left to scan. */ + LITTLENUM_TYPE *temporary_binary_low = NULL; + LITTLENUM_TYPE *power_binary_low = NULL; LITTLENUM_TYPE *digits_binary_low; unsigned int precision; unsigned int maximum_useful_digits; @@ -362,7 +364,7 @@ atof_generic (/* return pointer to just AFTER number we read. */ * sizeof (LITTLENUM_TYPE); digits_binary_low = (LITTLENUM_TYPE *) - alloca (size_of_digits_in_chars); + xmalloc (size_of_digits_in_chars); memset ((char *) digits_binary_low, '\0', size_of_digits_in_chars); @@ -455,13 +457,11 @@ atof_generic (/* return pointer to just AFTER number we read. */ * giving return_binary_mantissa and return_binary_exponent. */ - LITTLENUM_TYPE *power_binary_low; int decimal_exponent_is_negative; /* This refers to the "-56" in "12.34E-56". */ /* FALSE: decimal_exponent is positive (or 0) */ /* TRUE: decimal_exponent is negative */ FLONUM_TYPE temporary_flonum; - LITTLENUM_TYPE *temporary_binary_low; unsigned int size_of_power_in_littlenums; unsigned int size_of_power_in_chars; @@ -479,8 +479,9 @@ atof_generic (/* return pointer to just AFTER number we read. */ size_of_power_in_chars = size_of_power_in_littlenums * sizeof (LITTLENUM_TYPE) + 2; - power_binary_low = (LITTLENUM_TYPE *) alloca (size_of_power_in_chars); - temporary_binary_low = (LITTLENUM_TYPE *) alloca (size_of_power_in_chars); + power_binary_low = (LITTLENUM_TYPE *) xmalloc (size_of_power_in_chars); + temporary_binary_low = (LITTLENUM_TYPE *) xmalloc (size_of_power_in_chars); + memset ((char *) power_binary_low, '\0', size_of_power_in_chars); *power_binary_low = 1; power_of_10_flonum.exponent = 0; @@ -571,7 +572,6 @@ atof_generic (/* return pointer to just AFTER number we read. */ (void) putchar ('\n'); #endif } - } /* @@ -585,6 +585,11 @@ atof_generic (/* return pointer to just AFTER number we read. */ /* Assert sign of the number we made is '+'. */ address_of_generic_floating_point_number->sign = digits_sign_char; + if (temporary_binary_low) + free (temporary_binary_low); + if (power_binary_low) + free (power_binary_low); + free (digits_binary_low); } return return_value; } -- cgit v1.1