ld,dlltool: move read-only delayimp data into .rdata

This allows the delay IAT to be in its own section with nothing else, as
required by IMAGE_GUARD_DELAYLOAD_IAT_IN_ITS_OWN_SECTION, documented at
https://learn.microsoft.com/en-us/windows/win32/debug/pe-format#load-configuration-layout

Signed-off-by: Jeremy Drake <sourceware-bugzilla@jdrake.com>
This commit is contained in:
Jeremy Drake
2025-06-13 07:52:47 +02:00
committed by Jan Beulich
parent 3cad19db4e
commit b2c87b521b
3 changed files with 12 additions and 8 deletions

View File

@@ -2798,7 +2798,7 @@ make_delay_head (void)
/* Output the delay import descriptor */
fprintf (f, "\n%s DELAY_IMPORT_DESCRIPTOR\n", ASM_C);
fprintf (f, ".section\t.text$2\n");
fprintf (f, ".section\t.didat$2\n");
fprintf (f, "%s __DELAY_IMPORT_DESCRIPTOR_%s\n", ASM_GLOBAL,imp_name_lab);
fprintf (f, "__DELAY_IMPORT_DESCRIPTOR_%s:\n", imp_name_lab);
fprintf (f, "\t%s 1\t%s grAttrs\n", ASM_LONG, ASM_C);
@@ -2841,12 +2841,9 @@ make_delay_head (void)
fprintf (f, "\t%s\t0\n", ASM_LONG);
if (create_for_pep)
fprintf (f, "\t%s\t0\n", ASM_LONG);
fprintf (f, "\t.section\t.didat$4\n");
fprintf (f, "__INT_%s:\n", imp_name_lab);
}
fprintf (f, "\t.section\t.didat$2\n");
fclose (f);
assemble_file (TMP_HEAD_S, TMP_HEAD_O);

View File

@@ -146,6 +146,11 @@ SECTIONS
${RELOCATING+__rt_psrelocs_start = .;}
${RELOCATING+KEEP(*(.rdata_runtime_pseudo_reloc))}
${RELOCATING+__rt_psrelocs_end = .;}
/* read-only parts of .didat */
/* This cannot currently be handled with grouped sections.
See pe.em:sort_sections. */
${R_DIDAT234}
${R_DIDAT67}
/* .ctors & .dtors */
${CONSTRUCTING+
@@ -263,9 +268,7 @@ SECTIONS
{
/* This cannot currently be handled with grouped sections.
See pe.em:sort_sections. */
${R_DIDAT234}
${R_DIDAT5}
${R_DIDAT67}
}
/* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be

View File

@@ -148,6 +148,12 @@ SECTIONS
${RELOCATING+__rt_psrelocs_start = .;}
${RELOCATING+KEEP(*(.rdata_runtime_pseudo_reloc))}
${RELOCATING+__rt_psrelocs_end = .;}
/* read-only parts of .didat */
/* This cannot currently be handled with grouped sections.
See pe.em:sort_sections. */
${RELOCATING+. = ALIGN(8);}
${R_DIDAT234}
${R_DIDAT67}
/* .ctors & .dtors */
${CONSTRUCTING+. = ALIGN(8);}
@@ -271,9 +277,7 @@ SECTIONS
{
/* This cannot currently be handled with grouped sections.
See pep.em:sort_sections. */
${R_DIDAT234}
${R_DIDAT5}
${R_DIDAT67}
}
/* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be